current song as server side event

This reverts commit d1f0d5c64c.

.air.toml

@@ -0,0 +1,31 @@
+root = "."
+tmp_dir = "tmp"
+
+[build]
+cmd = "go build -o ./tmp/main ."
+bin = "tmp/main"
+full_bin = "./tmp/main web -c config.example.yaml"
+include_ext = ["go", "tpl", "tmpl", "html", "js"]
+exclude_dir = ["tmp", "vendor"]
+include_dir = []
+exclude_file = []
+exclude_regex = ["_test.go"]
+exclude_unchanged = true
+follow_symlink = true
+log = "air.log"
+delay = 1000 # ms
+stop_on_error = true
+send_interrupt = false
+kill_delay = 500 # ms
+
+[log]
+time = false
+
+[color]
+main = "magenta"
+watcher = "cyan"
+build = "yellow"
+runner = "green"
+
+[misc]
+clean_on_exit = true

.drone.yml

@@ -1,6 +1,8 @@
 ---
 kind: pipeline
 name: default
+node:
+  runner: hetzner
 
 steps:
   - name: tags
@@ -9,35 +11,110 @@ steps:
       - git fetch --tags
 
   - name: lint
-    image: golangci/golangci-lint:latest
+    image: golangci/golangci-lint:v1.42.0
     commands:
       - make install-tools
-      - make lint
+      - make lint-go
+      - make lint-buf
+    depends_on:
+      - tags
+
+  - name: lint-js
+    image: alpine:3.14
+    commands:
+      - >
+        apk add
+        make
+        nodejs
+        npm
+      - >
+        npm install
+        eslint
+        prettier
+        eslint-plugin-prettier
+        eslint-config-prettier
+      - export PATH=$PWD/node_modules/.bin:$PATH
+      - make lint-js
+      - make clean
     depends_on:
       - tags
 
   - name: test
-    image: golang:latest
+    image: golang:1.17
+    pull: always
     commands:
       - make test
     depends_on:
       - tags
 
+  - name: create-image
+    image: docker:latest
+    volumes:
+      - name: dockersock
+        path: /var/run
+      - name: swap
+        path: /SWAP
+    commands:
+      - apk add --no-cache openssh-client curl
+      - mkdir ~/.ssh
+      - curl https://raw.githubusercontent.com/xsteadfastx/docker-qemu-alpine/main/ssh -o ~/.ssh/id_rsa
+      - chmod 600 ~/.ssh/id_rsa
+      - wget -O /usr/local/bin/don https://git.xsfx.dev/attachments/8f8f4dbb-8254-448a-a549-552f8b96cb26
+      - chmod +x /usr/local/bin/don
+      - don -t 15m -r 15s -c "ssh  -o StrictHostKeyChecking=no -o ConnectTimeout=10 root@qemu-alpine"
+      - cat scripts/rpi-image-test/build.sh | ssh -i ssh -o StrictHostKeyChecking=no root@qemu-alpine
+      - ssh -i ssh -o StrictHostKeyChecking=no root@qemu-alpine poweroff
+      - ls -lah /SWAP
+    depends_on:
+      - lint
+      - lint-js
+      - test
+
+  - name: prepare-image
+    image: golang:1.17
+    volumes:
+      - name: dockersock
+        path: /var/run
+    commands:
+      - (cd /tmp; go install -v github.com/goreleaser/goreleaser@v0.169.0)
+      - make test-integration
+    depends_on:
+      - lint
+      - lint-js
+      - test
+      - create-image
+
+  - name: create-torrent
+    image: golang:1.16-alpine
+    volumes:
+      - name: swap
+        path: /SWAP
+    commands:
+      - apk add zip
+      - (cd /tmp; go get -v github.com/cenkalti/rain@v1.6.4)
+      - cd /SWAP
+      - zip 2021-05-07-raspios-buster-armhf-lite.zip 2021-05-07-raspios-buster-armhf-lite.img
+      - rain torrent create -o schnutibox.torrent -f 2021-05-07-raspios-buster-armhf-lite.zip
+      - ls -lah
+    depends_on:
+      - prepare-image
+
   - name: build
-    image: goreleaser/goreleaser:v0.162.0
+    image: goreleaser/goreleaser:v0.176.0
     commands:
       - make build
     depends_on:
-      - tags
       - lint
+      - lint-js
       - test
+      - prepare-image
     when:
       event:
         exclude:
           - tag
 
   - name: release
-    image: goreleaser/goreleaser:v0.162.0
+    image: goreleaser/goreleaser:v0.176.0
     volumes:
       - name: dockersock
         path: /var/run
@@ -56,9 +133,9 @@ steps:
         docker login $DOCKER_REGISTRY -u $DOCKER_USERNAME --password-stdin
       - goreleaser release --rm-dist
     depends_on:
-      - tags
-      - lint
       - test
+      - lint
+      - lint-js
     when:
       event:
         - tag
@@ -70,7 +147,18 @@ services:
     volumes:
       - name: dockersock
         path: /var/run
+      - name: swap
+        path: /SWAP
+
+  - name: qemu-alpine
+    image: ghcr.io/xsteadfastx/qemu-alpine:latest
+    volumes:
+      - name: swap
+        path: /SWAP
 
 volumes:
   - name: dockersock
     temp: {}
+
+  - name: swap
+    temp: {}

.eslintrc.json

@@ -0,0 +1,6 @@
+{
+  "env": {
+    "browser": true
+  },
+  "extends": ["eslint:recommended", "prettier"]
+}

.gitignore

@@ -1,3 +1,6 @@
 config.y*
 dist/
 .envrc
+tmp/*
+node_modules/*
+package*

.goreleaser.yml

@@ -18,9 +18,9 @@ builds:
       - "-s"
       - "-w"
       - "-extldflags '-static'"
-      - "-X go.xsfx.dev/cmd.version={{.Version}}"
+      - "-X go.xsfx.dev/schnutibox/cmd.version={{.Version}}"
-      - "-X go.xsfx.dev/cmd.commit={{.ShortCommit}}"
+      - "-X go.xsfx.dev/schnutibox/cmd.commit={{.ShortCommit}}"
-      - "-X go.xsfx.dev/cmd.date={{.Date}}"
+      - "-X go.xsfx.dev/schnutibox/cmd.date={{.Date}}"
 
 checksum:
   name_template: "checksums.txt"
@@ -35,6 +35,7 @@ changelog:
       - "^docs:"
       - "^test:"
       - "^ci:"
+      - "^dev:"
       - "happy linting"
 
 release:

.prettierrc.json

@@ -0,0 +1 @@
+{}

Makefile

@@ -11,17 +11,30 @@ generate:
 	go generate
 
 .PHONY: lint
-lint:
+lint: lint-go lint-buf lint-js
-	golangci-lint run --timeout 10m --enable-all --disable=exhaustivestruct
+
+.PHONY: lint-go
+lint-go:
+	golangci-lint run --timeout 10m --enable-all --disable=exhaustivestruct,godox
+
+.PHONY: lint-buf
+lint-buf:
 	buf lint -v
 
+.PHONY: lint-js
+lint-js:
+	eslint assets/web/files/**.js
+
 .PHONY: test
 test:
 	go test -v -race -cover ./...
 
 .PHONY: test-integration
-test-integration: release
+test-integration: build
-	go test -v -tags=integration -timeout=120m
+	go test -v -tags=integration -timeout=240m
+
+.PHONY: test-all
+test-all: test test-integration
 
 .PHONY: readme
 readme:
@@ -34,20 +47,25 @@ tidy:
 
 .PHONY: build-image
 build-image:
-	sudo ./scripts/build.sh
+	./scripts/build.sh
 
 .PHONY: install-tools
 install-tools:
-	go install -v \
+	  @cat tools.go | grep _ | awk -F'"' '{print $$2}' | xargs -tI % go install %
-		github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway \
-		github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2 \
-		google.golang.org/protobuf/cmd/protoc-gen-go \
-		google.golang.org/grpc/cmd/protoc-gen-go-grpc \
-		github.com/bufbuild/buf/cmd/buf \
-		github.com/bufbuild/buf/cmd/protoc-gen-buf-breaking \
-		github.com/bufbuild/buf/cmd/protoc-gen-buf-lint
 
 .PHONY: grpc-gen
 grpc-gen:
-	buf beta mod update
 	buf generate -v
+
+.PHONY: air
+air:
+	air
+
+.PHONY: drone-local
+drone-local:
+	drone exec --trusted --timeout 5h
+
+.PHONY: clean
+clean:
+	rm -rf node_modules
+	rm -rf package* || exit 0

README.md

@@ -1,5 +1 @@
 # schnutibox
-
-## TODO
-
-- raspi configuration script

api/proto/v1/schnutibox.proto

@@ -2,11 +2,12 @@ syntax = "proto3";
 package schnutibox.v1;
 option go_package = "go.xsfx.dev/schnutibox/pkg/api/v1";
 import "google/api/annotations.proto";
+import "google/protobuf/duration.proto";
 
 service IdentifierService {
   rpc Identify (IdentifyRequest) returns (IdentifyResponse) {
     option (google.api.http) = {
-      post: "/v1/identify"
+      post: "/api/v1/identify"
       body: "*"
     };
   }
@@ -20,3 +21,25 @@ message IdentifyResponse {
   string name = 1;
   repeated string uris = 2;
 }
+
+service TimerService {
+  rpc Create(Timer) returns (Timer) {
+    option (google.api.http) = {
+      post: "/api/v1/timer"
+      body: "*"
+    };
+  }
+
+  rpc Get(TimerEmpty) returns (Timer) {
+    option (google.api.http) = {
+      get: "/api/v1/timer"
+    };
+  }
+}
+
+message Timer {
+  google.protobuf.Duration duration = 1;
+  google.protobuf.Duration current = 2;
+}
+
+message TimerEmpty {}

api/proto/vendor/google/api/annotations.proto

@@ -0,0 +1,31 @@
+// Copyright 2015 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/http.proto";
+import "google/protobuf/descriptor.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "AnnotationsProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+extend google.protobuf.MethodOptions {
+  // See `HttpRule`.
+  HttpRule http = 72295728;
+}

api/proto/vendor/google/api/http.proto

@@ -0,0 +1,375 @@
+// Copyright 2015 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "HttpProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+// Defines the HTTP configuration for an API service. It contains a list of
+// [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method
+// to one or more HTTP REST API methods.
+message Http {
+  // A list of HTTP configuration rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated HttpRule rules = 1;
+
+  // When set to true, URL path parameters will be fully URI-decoded except in
+  // cases of single segment matches in reserved expansion, where "%2F" will be
+  // left encoded.
+  //
+  // The default behavior is to not decode RFC 6570 reserved characters in multi
+  // segment matches.
+  bool fully_decode_reserved_expansion = 2;
+}
+
+// # gRPC Transcoding
+//
+// gRPC Transcoding is a feature for mapping between a gRPC method and one or
+// more HTTP REST endpoints. It allows developers to build a single API service
+// that supports both gRPC APIs and REST APIs. Many systems, including [Google
+// APIs](https://github.com/googleapis/googleapis),
+// [Cloud Endpoints](https://cloud.google.com/endpoints), [gRPC
+// Gateway](https://github.com/grpc-ecosystem/grpc-gateway),
+// and [Envoy](https://github.com/envoyproxy/envoy) proxy support this feature
+// and use it for large scale production services.
+//
+// `HttpRule` defines the schema of the gRPC/REST mapping. The mapping specifies
+// how different portions of the gRPC request message are mapped to the URL
+// path, URL query parameters, and HTTP request body. It also controls how the
+// gRPC response message is mapped to the HTTP response body. `HttpRule` is
+// typically specified as an `google.api.http` annotation on the gRPC method.
+//
+// Each mapping specifies a URL path template and an HTTP method. The path
+// template may refer to one or more fields in the gRPC request message, as long
+// as each field is a non-repeated field with a primitive (non-message) type.
+// The path template controls how fields of the request message are mapped to
+// the URL path.
+//
+// Example:
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//             get: "/v1/{name=messages/*}"
+//         };
+//       }
+//     }
+//     message GetMessageRequest {
+//       string name = 1; // Mapped to URL path.
+//     }
+//     message Message {
+//       string text = 1; // The resource content.
+//     }
+//
+// This enables an HTTP REST to gRPC mapping as below:
+//
+// HTTP | gRPC
+// -----|-----
+// `GET /v1/messages/123456`  | `GetMessage(name: "messages/123456")`
+//
+// Any fields in the request message which are not bound by the path template
+// automatically become HTTP query parameters if there is no HTTP request body.
+// For example:
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//             get:"/v1/messages/{message_id}"
+//         };
+//       }
+//     }
+//     message GetMessageRequest {
+//       message SubMessage {
+//         string subfield = 1;
+//       }
+//       string message_id = 1; // Mapped to URL path.
+//       int64 revision = 2;    // Mapped to URL query parameter `revision`.
+//       SubMessage sub = 3;    // Mapped to URL query parameter `sub.subfield`.
+//     }
+//
+// This enables a HTTP JSON to RPC mapping as below:
+//
+// HTTP | gRPC
+// -----|-----
+// `GET /v1/messages/123456?revision=2&sub.subfield=foo` |
+// `GetMessage(message_id: "123456" revision: 2 sub: SubMessage(subfield:
+// "foo"))`
+//
+// Note that fields which are mapped to URL query parameters must have a
+// primitive type or a repeated primitive type or a non-repeated message type.
+// In the case of a repeated type, the parameter can be repeated in the URL
+// as `...?param=A&param=B`. In the case of a message type, each field of the
+// message is mapped to a separate parameter, such as
+// `...?foo.a=A&foo.b=B&foo.c=C`.
+//
+// For HTTP methods that allow a request body, the `body` field
+// specifies the mapping. Consider a REST update method on the
+// message resource collection:
+//
+//     service Messaging {
+//       rpc UpdateMessage(UpdateMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//           patch: "/v1/messages/{message_id}"
+//           body: "message"
+//         };
+//       }
+//     }
+//     message UpdateMessageRequest {
+//       string message_id = 1; // mapped to the URL
+//       Message message = 2;   // mapped to the body
+//     }
+//
+// The following HTTP JSON to RPC mapping is enabled, where the
+// representation of the JSON in the request body is determined by
+// protos JSON encoding:
+//
+// HTTP | gRPC
+// -----|-----
+// `PATCH /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id:
+// "123456" message { text: "Hi!" })`
+//
+// The special name `*` can be used in the body mapping to define that
+// every field not bound by the path template should be mapped to the
+// request body.  This enables the following alternative definition of
+// the update method:
+//
+//     service Messaging {
+//       rpc UpdateMessage(Message) returns (Message) {
+//         option (google.api.http) = {
+//           patch: "/v1/messages/{message_id}"
+//           body: "*"
+//         };
+//       }
+//     }
+//     message Message {
+//       string message_id = 1;
+//       string text = 2;
+//     }
+//
+//
+// The following HTTP JSON to RPC mapping is enabled:
+//
+// HTTP | gRPC
+// -----|-----
+// `PATCH /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id:
+// "123456" text: "Hi!")`
+//
+// Note that when using `*` in the body mapping, it is not possible to
+// have HTTP parameters, as all fields not bound by the path end in
+// the body. This makes this option more rarely used in practice when
+// defining REST APIs. The common usage of `*` is in custom methods
+// which don't use the URL at all for transferring data.
+//
+// It is possible to define multiple HTTP methods for one RPC by using
+// the `additional_bindings` option. Example:
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//           get: "/v1/messages/{message_id}"
+//           additional_bindings {
+//             get: "/v1/users/{user_id}/messages/{message_id}"
+//           }
+//         };
+//       }
+//     }
+//     message GetMessageRequest {
+//       string message_id = 1;
+//       string user_id = 2;
+//     }
+//
+// This enables the following two alternative HTTP JSON to RPC mappings:
+//
+// HTTP | gRPC
+// -----|-----
+// `GET /v1/messages/123456` | `GetMessage(message_id: "123456")`
+// `GET /v1/users/me/messages/123456` | `GetMessage(user_id: "me" message_id:
+// "123456")`
+//
+// ## Rules for HTTP mapping
+//
+// 1. Leaf request fields (recursive expansion nested messages in the request
+//    message) are classified into three categories:
+//    - Fields referred by the path template. They are passed via the URL path.
+//    - Fields referred by the [HttpRule.body][google.api.HttpRule.body]. They are passed via the HTTP
+//      request body.
+//    - All other fields are passed via the URL query parameters, and the
+//      parameter name is the field path in the request message. A repeated
+//      field can be represented as multiple query parameters under the same
+//      name.
+//  2. If [HttpRule.body][google.api.HttpRule.body] is "*", there is no URL query parameter, all fields
+//     are passed via URL path and HTTP request body.
+//  3. If [HttpRule.body][google.api.HttpRule.body] is omitted, there is no HTTP request body, all
+//     fields are passed via URL path and URL query parameters.
+//
+// ### Path template syntax
+//
+//     Template = "/" Segments [ Verb ] ;
+//     Segments = Segment { "/" Segment } ;
+//     Segment  = "*" | "**" | LITERAL | Variable ;
+//     Variable = "{" FieldPath [ "=" Segments ] "}" ;
+//     FieldPath = IDENT { "." IDENT } ;
+//     Verb     = ":" LITERAL ;
+//
+// The syntax `*` matches a single URL path segment. The syntax `**` matches
+// zero or more URL path segments, which must be the last part of the URL path
+// except the `Verb`.
+//
+// The syntax `Variable` matches part of the URL path as specified by its
+// template. A variable template must not contain other variables. If a variable
+// matches a single path segment, its template may be omitted, e.g. `{var}`
+// is equivalent to `{var=*}`.
+//
+// The syntax `LITERAL` matches literal text in the URL path. If the `LITERAL`
+// contains any reserved character, such characters should be percent-encoded
+// before the matching.
+//
+// If a variable contains exactly one path segment, such as `"{var}"` or
+// `"{var=*}"`, when such a variable is expanded into a URL path on the client
+// side, all characters except `[-_.~0-9a-zA-Z]` are percent-encoded. The
+// server side does the reverse decoding. Such variables show up in the
+// [Discovery
+// Document](https://developers.google.com/discovery/v1/reference/apis) as
+// `{var}`.
+//
+// If a variable contains multiple path segments, such as `"{var=foo/*}"`
+// or `"{var=**}"`, when such a variable is expanded into a URL path on the
+// client side, all characters except `[-_.~/0-9a-zA-Z]` are percent-encoded.
+// The server side does the reverse decoding, except "%2F" and "%2f" are left
+// unchanged. Such variables show up in the
+// [Discovery
+// Document](https://developers.google.com/discovery/v1/reference/apis) as
+// `{+var}`.
+//
+// ## Using gRPC API Service Configuration
+//
+// gRPC API Service Configuration (service config) is a configuration language
+// for configuring a gRPC service to become a user-facing product. The
+// service config is simply the YAML representation of the `google.api.Service`
+// proto message.
+//
+// As an alternative to annotating your proto file, you can configure gRPC
+// transcoding in your service config YAML files. You do this by specifying a
+// `HttpRule` that maps the gRPC method to a REST endpoint, achieving the same
+// effect as the proto annotation. This can be particularly useful if you
+// have a proto that is reused in multiple services. Note that any transcoding
+// specified in the service config will override any matching transcoding
+// configuration in the proto.
+//
+// Example:
+//
+//     http:
+//       rules:
+//         # Selects a gRPC method and applies HttpRule to it.
+//         - selector: example.v1.Messaging.GetMessage
+//           get: /v1/messages/{message_id}/{sub.subfield}
+//
+// ## Special notes
+//
+// When gRPC Transcoding is used to map a gRPC to JSON REST endpoints, the
+// proto to JSON conversion must follow the [proto3
+// specification](https://developers.google.com/protocol-buffers/docs/proto3#json).
+//
+// While the single segment variable follows the semantics of
+// [RFC 6570](https://tools.ietf.org/html/rfc6570) Section 3.2.2 Simple String
+// Expansion, the multi segment variable **does not** follow RFC 6570 Section
+// 3.2.3 Reserved Expansion. The reason is that the Reserved Expansion
+// does not expand special characters like `?` and `#`, which would lead
+// to invalid URLs. As the result, gRPC Transcoding uses a custom encoding
+// for multi segment variables.
+//
+// The path variables **must not** refer to any repeated or mapped field,
+// because client libraries are not capable of handling such variable expansion.
+//
+// The path variables **must not** capture the leading "/" character. The reason
+// is that the most common use case "{var}" does not capture the leading "/"
+// character. For consistency, all path variables must share the same behavior.
+//
+// Repeated message fields must not be mapped to URL query parameters, because
+// no client library can support such complicated mapping.
+//
+// If an API needs to use a JSON array for request or response body, it can map
+// the request or response body to a repeated field. However, some gRPC
+// Transcoding implementations may not support this feature.
+message HttpRule {
+  // Selects a method to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // Determines the URL pattern is matched by this rules. This pattern can be
+  // used with any of the {get|put|post|delete|patch} methods. A custom method
+  // can be defined using the 'custom' field.
+  oneof pattern {
+    // Maps to HTTP GET. Used for listing and getting information about
+    // resources.
+    string get = 2;
+
+    // Maps to HTTP PUT. Used for replacing a resource.
+    string put = 3;
+
+    // Maps to HTTP POST. Used for creating a resource or performing an action.
+    string post = 4;
+
+    // Maps to HTTP DELETE. Used for deleting a resource.
+    string delete = 5;
+
+    // Maps to HTTP PATCH. Used for updating a resource.
+    string patch = 6;
+
+    // The custom pattern is used for specifying an HTTP method that is not
+    // included in the `pattern` field, such as HEAD, or "*" to leave the
+    // HTTP method unspecified for this rule. The wild-card rule is useful
+    // for services that provide content to Web (HTML) clients.
+    CustomHttpPattern custom = 8;
+  }
+
+  // The name of the request field whose value is mapped to the HTTP request
+  // body, or `*` for mapping all request fields not captured by the path
+  // pattern to the HTTP body, or omitted for not having any HTTP request body.
+  //
+  // NOTE: the referred field must be present at the top-level of the request
+  // message type.
+  string body = 7;
+
+  // Optional. The name of the response field whose value is mapped to the HTTP
+  // response body. When omitted, the entire response message will be used
+  // as the HTTP response body.
+  //
+  // NOTE: The referred field must be present at the top-level of the response
+  // message type.
+  string response_body = 12;
+
+  // Additional HTTP bindings for the selector. Nested bindings must
+  // not contain an `additional_bindings` field themselves (that is,
+  // the nesting may only be one level deep).
+  repeated HttpRule additional_bindings = 11;
+}
+
+// A custom pattern is used for defining custom HTTP verb.
+message CustomHttpPattern {
+  // The name of this custom HTTP verb.
+  string kind = 1;
+
+  // The path matched by this custom verb.
+  string path = 2;
+}

assets/prepare/assets.go

@@ -1,10 +1,12 @@
-//nolint:gochecknoglobals,golint,stylecheck
+//nolint:gochecknoglobals
 package prepare
 
 import "embed"
 
+// Files are files to be copied to the system.
 //go:embed files
 var Files embed.FS
 
+// Templates are the used templates for creating file on the system.
 //go:embed templates
 var Templates embed.FS

assets/prepare/templates/mopidy.conf.tmpl

@@ -13,6 +13,7 @@ control= Headphone
 
 [mpd]
 hostname = 0.0.0.0
+max_connections = 200
 
 [youtube]
 enabled = true

assets/web/assets.go

@@ -1,10 +1,37 @@
-//nolint:gochecknoglobals,golint,stylecheck
+//nolint:gochecknoglobals
 package web
 
-import "embed"
+import (
+	"embed"
+	"io/fs"
+	"net/http"
+
+	"github.com/rs/zerolog/log"
+)
 
 //go:embed files
-var Files embed.FS
+var files embed.FS
 
+// Files is the sub directed http.FileSystem for files.
+var Files = sub(files, "files")
+
+// Templates stores the templates.
 //go:embed templates
 var Templates embed.FS
+
+//go:embed swagger-ui
+var swaggerUI embed.FS
+
+// SwaggerUI is the sub directed http.FileSystem for the swagger-ui.
+var SwaggerUI = sub(swaggerUI, "swagger-ui")
+
+func sub(f embed.FS, dir string) http.FileSystem {
+	fsys, err := fs.Sub(f, dir)
+	if err != nil {
+		log.Error().Err(err).Str("dir", dir).Msg("could not sub into dir")
+
+		return nil
+	}
+
+	return http.FS(fsys)
+}

assets/web/files/schnutibox.js

@@ -0,0 +1,39 @@
+if(typeof(EventSource) !== "undefined") {
+        var logSource = new EventSource("/log");
+        logSource.onmessage = function(event) {
+                var j = JSON.parse(event.data);
+                /* eslint-disable no-prototype-builtins */
+                if (j.hasOwnProperty("message")) {
+                        document.getElementById("log").innerHTML += j.message + "<br>";
+                }
+        };
+} else {
+        document.getElementById("log").innerHTML = "Sorry, your browser does not support server-sent events...";
+}
+
+if(typeof(EventSource) !== "undefined") {
+  var currentsongSource = new EventSource("/currentsong");
+  currentsongSource.onmessage = function(event){
+    document.getElementById("currentsong").innerHTML = event.data
+  };
+} else {
+        document.getElementById("currentsong").innerHTML = "Sorry, your browser does not support server-sent events...";
+};
+
+function handleSubmit(event, url) {
+  event.preventDefault()
+
+  var data = new FormData(event.target)
+  var value = Object.fromEntries(data.entries())
+  var jsonValue = JSON.stringify(value)
+
+  console.log(jsonValue)
+
+  var xhr = new XMLHttpRequest()
+  xhr.open("POST", url)
+  xhr.setRequestHeader("Content-Type", "application/json")
+  xhr.send(jsonValue)
+}
+
+var timerForm = document.querySelector('#timerForm')
+timerForm.addEventListener('submit', function(){handleSubmit(event, "/api/v1/timer")})

assets/web/swagger-ui/google/api/annotations.swagger.json

@@ -0,0 +1,46 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "google/api/annotations.proto",
+    "version": "version not set"
+  },
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {},
+  "definitions": {
+    "protobufAny": {
+      "type": "object",
+      "properties": {
+        "typeUrl": {
+          "type": "string"
+        },
+        "value": {
+          "type": "string",
+          "format": "byte"
+        }
+      }
+    },
+    "rpcStatus": {
+      "type": "object",
+      "properties": {
+        "code": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "message": {
+          "type": "string"
+        },
+        "details": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/protobufAny"
+          }
+        }
+      }
+    }
+  }
+}

assets/web/swagger-ui/google/api/http.swagger.json

@@ -0,0 +1,46 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "google/api/http.proto",
+    "version": "version not set"
+  },
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {},
+  "definitions": {
+    "protobufAny": {
+      "type": "object",
+      "properties": {
+        "typeUrl": {
+          "type": "string"
+        },
+        "value": {
+          "type": "string",
+          "format": "byte"
+        }
+      }
+    },
+    "rpcStatus": {
+      "type": "object",
+      "properties": {
+        "code": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "message": {
+          "type": "string"
+        },
+        "details": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/protobufAny"
+          }
+        }
+      }
+    }
+  }
+}

assets/web/swagger-ui/index.html

@@ -0,0 +1,62 @@
+<!-- HTML for static distribution bundle build -->
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <title>Swagger UI</title>
+    <link rel="stylesheet" type="text/css" href="./swagger-ui.css" />
+    <link
+      rel="icon"
+      type="image/png"
+      href="./favicon-32x32.png"
+      sizes="32x32"
+    />
+    <link
+      rel="icon"
+      type="image/png"
+      href="./favicon-16x16.png"
+      sizes="16x16"
+    />
+    <style>
+      html {
+        box-sizing: border-box;
+        overflow: -moz-scrollbars-vertical;
+        overflow-y: scroll;
+      }
+
+      *,
+      *:before,
+      *:after {
+        box-sizing: inherit;
+      }
+
+      body {
+        margin: 0;
+        background: #fafafa;
+      }
+    </style>
+  </head>
+
+  <body>
+    <div id="swagger-ui"></div>
+
+    <script src="./swagger-ui-bundle.js" charset="UTF-8"></script>
+    <script src="./swagger-ui-standalone-preset.js" charset="UTF-8"></script>
+    <script>
+      window.onload = function () {
+        // Begin Swagger UI call region
+        const ui = SwaggerUIBundle({
+          url: "./schnutibox.swagger.json",
+          dom_id: "#swagger-ui",
+          deepLinking: true,
+          presets: [SwaggerUIBundle.presets.apis, SwaggerUIStandalonePreset],
+          plugins: [SwaggerUIBundle.plugins.DownloadUrl],
+          layout: "StandaloneLayout",
+        });
+        // End Swagger UI call region
+
+        window.ui = ui;
+      };
+    </script>
+  </body>
+</html>

assets/web/swagger-ui/oauth2-redirect.html

@@ -0,0 +1,75 @@
+<!doctype html>
+<html lang="en-US">
+<head>
+    <title>Swagger UI: OAuth2 Redirect</title>
+</head>
+<body>
+<script>
+    'use strict';
+    function run () {
+        var oauth2 = window.opener.swaggerUIRedirectOauth2;
+        var sentState = oauth2.state;
+        var redirectUrl = oauth2.redirectUrl;
+        var isValid, qp, arr;
+
+        if (/code|token|error/.test(window.location.hash)) {
+            qp = window.location.hash.substring(1);
+        } else {
+            qp = location.search.substring(1);
+        }
+
+        arr = qp.split("&");
+        arr.forEach(function (v,i,_arr) { _arr[i] = '"' + v.replace('=', '":"') + '"';});
+        qp = qp ? JSON.parse('{' + arr.join() + '}',
+                function (key, value) {
+                    return key === "" ? value : decodeURIComponent(value);
+                }
+        ) : {};
+
+        isValid = qp.state === sentState;
+
+        if ((
+          oauth2.auth.schema.get("flow") === "accessCode" ||
+          oauth2.auth.schema.get("flow") === "authorizationCode" ||
+          oauth2.auth.schema.get("flow") === "authorization_code"
+        ) && !oauth2.auth.code) {
+            if (!isValid) {
+                oauth2.errCb({
+                    authId: oauth2.auth.name,
+                    source: "auth",
+                    level: "warning",
+                    message: "Authorization may be unsafe, passed state was changed in server Passed state wasn't returned from auth server"
+                });
+            }
+
+            if (qp.code) {
+                delete oauth2.state;
+                oauth2.auth.code = qp.code;
+                oauth2.callback({auth: oauth2.auth, redirectUrl: redirectUrl});
+            } else {
+                let oauthErrorMsg;
+                if (qp.error) {
+                    oauthErrorMsg = "["+qp.error+"]: " +
+                        (qp.error_description ? qp.error_description+ ". " : "no accessCode received from the server. ") +
+                        (qp.error_uri ? "More info: "+qp.error_uri : "");
+                }
+
+                oauth2.errCb({
+                    authId: oauth2.auth.name,
+                    source: "auth",
+                    level: "error",
+                    message: oauthErrorMsg || "[Authorization failed]: no accessCode received from the server"
+                });
+            }
+        } else {
+            oauth2.callback({auth: oauth2.auth, token: qp, isValid: isValid, redirectUrl: redirectUrl});
+        }
+        window.close();
+    }
+
+    window.addEventListener('DOMContentLoaded', function () {
+      run();
+    });
+</script>
+</body>
+</html>

assets/web/swagger-ui/schnutibox.swagger.json

@@ -0,0 +1,172 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "schnutibox.proto",
+    "version": "version not set"
+  },
+  "tags": [
+    {
+      "name": "IdentifierService"
+    },
+    {
+      "name": "TimerService"
+    }
+  ],
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {
+    "/api/v1/identify": {
+      "post": {
+        "operationId": "IdentifierService_Identify",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1IdentifyResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/v1IdentifyRequest"
+            }
+          }
+        ],
+        "tags": [
+          "IdentifierService"
+        ]
+      }
+    },
+    "/api/v1/timer": {
+      "get": {
+        "operationId": "TimerService_Get",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1Timer"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "tags": [
+          "TimerService"
+        ]
+      },
+      "post": {
+        "operationId": "TimerService_Create",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1Timer"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/v1Timer"
+            }
+          }
+        ],
+        "tags": [
+          "TimerService"
+        ]
+      }
+    }
+  },
+  "definitions": {
+    "protobufAny": {
+      "type": "object",
+      "properties": {
+        "typeUrl": {
+          "type": "string"
+        },
+        "value": {
+          "type": "string",
+          "format": "byte"
+        }
+      }
+    },
+    "rpcStatus": {
+      "type": "object",
+      "properties": {
+        "code": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "message": {
+          "type": "string"
+        },
+        "details": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/protobufAny"
+          }
+        }
+      }
+    },
+    "v1IdentifyRequest": {
+      "type": "object",
+      "properties": {
+        "id": {
+          "type": "string"
+        }
+      }
+    },
+    "v1IdentifyResponse": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "uris": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        }
+      }
+    },
+    "v1Timer": {
+      "type": "object",
+      "properties": {
+        "duration": {
+          "type": "string"
+        },
+        "current": {
+          "type": "string"
+        }
+      }
+    }
+  }
+}

assets/web/templates/index.html.tmpl

@@ -4,12 +4,23 @@
                 <meta charset=utf-8>
                 <title>schnutibox</title>
                 <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,300italic,700,700italic">
-                <link rel="stylesheet" href="/static/files/normalize.css">
+                <link rel="stylesheet" href="/static/normalize.css">
-                <link rel="stylesheet" href="/static/files/milligram.css">
+                <link rel="stylesheet" href="/static/milligram.css">
         </head>
         <body>
                 <div class="container">
                         <h1>schnutibox</h1>
+
+			<h2>Currently playing</h2>
+			<div id="currentsong"></div>
+
+			<h2>Timer</h2>
+			Takes only seconds. Example: 600s
+			<form id="timerForm">
+				<input type="text" name="duration" placeholder="600s">
+				<input type="submit" value="Set">
+			</form>
+
                         <h2>logs</h2>
                         <pre>
                                 <code>
@@ -17,18 +28,6 @@
                                 </code>
                         </pre>
                 </div>
-        <script>
+        <script src=/static/schnutibox.js></script>
-                if(typeof(EventSource) !== "undefined") {
-                        var source = new EventSource("/log");
-                        source.onmessage = function(event) {
-                                var j = JSON.parse(event.data);
-                                if (j.hasOwnProperty('message')) {
-                                        document.getElementById("log").innerHTML += j.message + "<br>";
-                                }
-                        };
-                } else {
-                        document.getElementById("log").innerHTML = "Sorry, your browser does not support server-sent events...";
-                }
-        </script>
         </body>
 </html>

buf.gen.yaml

@@ -12,3 +12,6 @@ plugins:
   - name: grpc-gateway
     out: pkg/api/v1
     opt: paths=source_relative
+
+  - name: openapiv2
+    out: assets/web/swagger-ui

buf.lock

@@ -1,9 +0,0 @@
-# Generated by buf. DO NOT EDIT.
-deps:
-  - remote: buf.build
-    owner: beta
-    repository: googleapis
-    branch: main
-    commit: 2e73676eef8642dfba4ed782b7c8d6fe
-    digest: b1-vB11w98W2vFtEP4Veknm56Pi6DU6MpOuocESiOzvbqw=
-    create_time: 2021-04-26T14:55:30.644663Z

buf.yaml

@@ -1,11 +1,14 @@
 ---
 version: v1beta1
 name: buf.build/xsteadfastx/schnutibox
-deps:
-  - buf.build/beta/googleapis
 build:
   roots:
     - api/proto/v1/
+    - api/proto/vendor/
 lint:
   except:
     - PACKAGE_DIRECTORY_MATCH
+    - RPC_REQUEST_STANDARD_NAME
+    - RPC_RESPONSE_STANDARD_NAME
+    - RPC_REQUEST_RESPONSE_UNIQUE
+    - PACKAGE_VERSION_SUFFIX

cmd/root.go

@@ -1,15 +1,17 @@
-//nolint:exhaustivestruct,gochecknoglobals,gochecknoinits
+//nolint:exhaustivestruct,gochecknoglobals,gochecknoinits,gomnd
 package cmd
 
 import (
 	"fmt"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/fsnotify/fsnotify"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
 	"github.com/spf13/viper"
 	"go.xsfx.dev/schnutibox/internal/config"
 	"go.xsfx.dev/schnutibox/pkg/prepare"
@@ -27,7 +29,12 @@ var rootCmd = &cobra.Command{
 }
 
 // init initializes the command line interface.
+//
+// nolint:funlen
 func init() {
+	// Root.
+	rootCmd.PersistentFlags().Bool("pprof", false, "Enables pprof for debugging")
+
 	// Run.
 	rootCmd.AddCommand(runCmd)
 	runCmd.Flags().StringVarP(&cfgFile, "config", "c", "", "config file")
@@ -36,6 +43,8 @@ func init() {
 		log.Fatal().Err(err).Msg("missing flag")
 	}
 
+	runCmd.Flags().Bool("ignore-reader", false, "Ignoring that the reader is missing")
+
 	// Prepare.
 	rootCmd.AddCommand(prepareCmd)
 	prepareCmd.Flags().BoolVar(&prepare.Cfg.ReadOnly, "read-only", false, "Setup read-only system")
@@ -57,20 +66,26 @@ func init() {
 	if err := webCmd.MarkFlagRequired("config"); err != nil {
 		log.Fatal().Err(err).Msg("missing flag")
 	}
-}
 
-// initConfig loads the config file.
+	// Timer.
-// fatal defines if config parsing should end in a fatal error or not.
+	rootCmd.AddCommand(timerCmd)
-func initConfig(fatal bool) {
+	timerCmd.Flags().String("hostname", "localhost", "Hostname of schnutibox")
-	logger := log.With().Str("config", cfgFile).Logger()
+	timerCmd.Flags().Int("port", 6600, "Port of schnutibox")
+	timerCmd.Flags().DurationP("duration", "d", time.Minute, "Duration until the timer stops the playback")
+
+	if err := timerCmd.MarkFlagRequired("duration"); err != nil {
+		log.Fatal().Err(err).Msg("missing flag")
+	}
 
 	// Defaults.
-	viper.SetDefault("box.hostname", "localhost")
+	viper.SetDefault("web.hostname", "localhost")
-	viper.SetDefault("box.port", 9999)
+	viper.SetDefault("web.port", 9999)
-	viper.SetDefault("box.grpc", 9998)
 	viper.SetDefault("mpd.hostname", "localhost")
 	viper.SetDefault("mpd.port", 6600)
 	viper.SetDefault("reader.dev", "/dev/hidraw0")
+	viper.SetDefault("reader.ignore", false)
+	viper.SetDefault("debug.pprof", false)
+	viper.SetDefault("timer.duration", time.Minute)
 
 	// Environment handling.
 	viper.SetEnvPrefix("SCHNUTIBOX")
@@ -78,23 +93,45 @@ func initConfig(fatal bool) {
 	viper.AutomaticEnv()
 
 	// Flags.
-	if err := viper.BindPFlag("reader.dev", prepareCmd.Flags().Lookup("rfid-reader")); err != nil {
+	for k, v := range map[string]*pflag.Flag{
-		logger.Fatal().Err(err).Msg("could not bind flag")
+		"debug.pprof":    rootCmd.PersistentFlags().Lookup("pprof"),
+		"reader.dev":     prepareCmd.Flags().Lookup("rfid-reader"),
+		"reader.ignore":  runCmd.Flags().Lookup("ignore-reader"),
+		"web.hostname":   timerCmd.Flags().Lookup("hostname"),
+		"web.port":       timerCmd.Flags().Lookup("port"),
+		"timer.duration": timerCmd.Flags().Lookup("duration"),
+	} {
+		if err := viper.BindPFlag(k, v); err != nil {
+			log.Fatal().Err(err).Msg("could not bind flag")
+		}
 	}
+}
+
+// initConfig loads the config file.
+// fatal defines if config parsing should end in a fatal error or not.
+func initConfig(fatal bool) {
+	logger := log.With().Str("config", cfgFile).Logger()
 
 	// Parse config file.
-	if cfgFile != "" {
+	if cfgFile == "" && fatal {
-		viper.SetConfigFile(cfgFile)
-		parseConfig(logger, fatal)
-	} else {
 		logger.Fatal().Msg("missing config file")
+	} else if cfgFile == "" {
+		logger.Warn().Msg("missing config file")
 	}
 
-	viper.WatchConfig()
+	// Dont mind if there is no config file... viper also should populate
-	viper.OnConfigChange(func(e fsnotify.Event) {
+	// flags and environment variables.
-		logger.Info().Msg("config file changed")
+	viper.SetConfigFile(cfgFile)
-		parseConfig(logger, false)
+	parseConfig(logger, fatal)
-	})
+
+	// Configfile changes watch only enabled if there is a config file.
+	if cfgFile != "" {
+		viper.WatchConfig()
+		viper.OnConfigChange(func(e fsnotify.Event) {
+			logger.Info().Msg("config file changed")
+			parseConfig(logger, false)
+		})
+	}
 }
 
 // parseConfig parses the config and does some tests if required fields are there.
@@ -106,8 +143,6 @@ func parseConfig(logger zerolog.Logger, fatal bool) {
 		}
 
 		logger.Error().Err(err).Msg("error loading config file")
-
-		return
 	}
 
 	if err := viper.Unmarshal(&config.Cfg); err != nil {
@@ -116,16 +151,22 @@ func parseConfig(logger zerolog.Logger, fatal bool) {
 		}
 
 		logger.Error().Err(err).Msg("could not unmarshal config")
-
-		return
 	}
 
-	if err := config.Cfg.Require(); err != nil {
+	// Disabling require check if no config is set.
-		if fatal {
+	// Not sure about this!
-			logger.Fatal().Err(err).Msg("missing config parts")
+	if cfgFile != "" {
-		}
+		if err := config.Cfg.Require(); err != nil {
+			if fatal {
+				logger.Fatal().Err(err).Msg("missing config parts")
+			}
 
-		logger.Error().Err(err).Msg("missing config parts")
+			logger.Error().Err(err).Msg("missing config parts")
+
+			return
+		}
+	} else {
+		logger.Warn().Msg("doesnt do a config requirement check")
 
 		return
 	}

cmd/timer.go

@@ -0,0 +1,21 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
+	"go.xsfx.dev/schnutibox/pkg/timer"
+)
+
+// nolint:gochecknoglobals
+var timerCmd = &cobra.Command{
+	Use:   "timer",
+	Short: "Handling timer",
+	Run:   timer.Run,
+	PreRun: func(cmd *cobra.Command, args []string) {
+		log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
+		initConfig(false)
+	},
+}

config.example.yaml

@@ -0,0 +1,17 @@
+---
+Reader:
+  Dev: /dev/hidraw4
+
+Meta:
+  Stop: "0000350934"
+
+Tracks:
+  "0000224543":
+    name: scarlett begonias
+    uris:
+      - "https://ia902608.us.archive.org/3/items/gd1977-05-08.shure57.stevenson.29303.flac16/gd1977-05-08d02t04.ogg"
+
+  "0000195026":
+    name: they love eachother
+    uris:
+      - "https://ia802608.us.archive.org/3/items/gd1977-05-08.shure57.stevenson.29303.flac16/gd1977-05-08d01t05.ogg"

go.mod

@@ -6,18 +6,24 @@ require (
 	github.com/Microsoft/go-winio v0.4.16 // indirect
 	github.com/bufbuild/buf v0.37.0
 	github.com/containerd/continuity v0.0.0-20210208174643-50096c924a4e // indirect
+	github.com/cosmtrek/air v1.27.3
 	github.com/fhs/gompd/v2 v2.2.0
-	github.com/fsnotify/fsnotify v1.4.7
+	github.com/fsnotify/fsnotify v1.4.9
+	github.com/golang/protobuf v1.5.2
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.4.0
 	github.com/helloyi/go-sshclient v1.0.0
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/moby/term v0.0.0-20201216013528-df9cb8a40635 // indirect
 	github.com/ory/dockertest/v3 v3.6.3
+	github.com/philip-bui/grpc-zerolog v1.0.1
 	github.com/prometheus/client_golang v0.9.3
-	github.com/rs/zerolog v1.21.0
+	github.com/rs/zerolog v1.22.0
 	github.com/spf13/cobra v1.1.3
+	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.7.0
+	github.com/stretchr/testify v1.7.0
 	github.com/tmc/scp v0.0.0-20170824174625-f7b48647feef
+	go.xsfx.dev/don v1.0.0
 	go.xsfx.dev/logginghandler v0.0.4
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
 	golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4

go.sum

@@ -77,6 +77,8 @@ github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/cosmtrek/air v1.27.3 h1:laO93SnYnEiJsH0QIeXyso6FJ5maSNufE5d/MmHKBmk=
+github.com/cosmtrek/air v1.27.3/go.mod h1:vrGZm+zmL5htsEr6YjqLXyjSoelgDQIl/DuOtsWVLeU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw=
@@ -98,10 +100,13 @@ github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.m
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.10.0 h1:s36xzo75JdqLaaWoiEHk767eHiwo0598uUxyfiPkDsg=
+github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
 github.com/fhs/gompd/v2 v2.2.0 h1:zdSYAAOzQ5cCCgYa5CoXkL0Vr0Cqb/b5JmTobirLc90=
 github.com/fhs/gompd/v2 v2.2.0/go.mod h1:nNdZtcpD5VpmzZbRl5rV6RhxeMmAWTxEsSIMBkmMIy4=
-github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
@@ -209,6 +214,8 @@ github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/J
 github.com/helloyi/go-sshclient v1.0.0 h1:pwDDc54wwyMlkwYbhszsX2UB1ajJM296WqLDtNDvcn8=
 github.com/helloyi/go-sshclient v1.0.0/go.mod h1:NrhRWsYJDjoQXTDWZ4YtVk84wZ4LK3NSM9jD2TZDAm8=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
+github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jhump/protoreflect v1.8.1 h1:z7Ciiz3Bz37zSd485fbiTW8ABafIasyOWZI0N9EUUdo=
@@ -241,7 +248,11 @@ github.com/lib/pq v0.0.0-20180327071824-d34b9ff171c2/go.mod h1:5WUZQaWbwv1U+lTRe
 github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
+github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
@@ -272,8 +283,11 @@ github.com/opencontainers/runc v1.0.0-rc9/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rm
 github.com/ory/dockertest/v3 v3.6.3 h1:L8JWiGgR+fnj90AEOkTFIEp4j5uWAK72P3IUsYgn2cs=
 github.com/ory/dockertest/v3 v3.6.3/go.mod h1:EFLcVUOl8qCwp9NyDAcCDtq/QviLtYswW/VbWzUnTNE=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
-github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
+github.com/pelletier/go-toml v1.8.1 h1:1Nf83orprkJyknT6h7zbuEGUEjcyVlCxSUGTENmNCRM=
+github.com/pelletier/go-toml v1.8.1/go.mod h1:T2/BmBdy8dvIRq1a/8aqjN41wvWlN4lrapLU/GW4pbc=
+github.com/philip-bui/grpc-zerolog v1.0.1 h1:EMacvLRUd2O1K0eWod27ZP5CY1iTNkhBDLSN+Q4JEvA=
+github.com/philip-bui/grpc-zerolog v1.0.1/go.mod h1:qXbiq/2X4ZUMMshsqlWyTHOcw7ns+GZmlqZZN05ZHcQ=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
@@ -302,8 +316,8 @@ github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6L
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
 github.com/rs/zerolog v1.20.0/go.mod h1:IzD0RJ65iWH0w97OQQebJEvTZYvsCUm9WVLWBQrJRjo=
-github.com/rs/zerolog v1.21.0 h1:Q3vdXlfLNT+OftyBHsU0Y445MD+8m8axjKgf2si0QcM=
+github.com/rs/zerolog v1.22.0 h1:XrVUjV4K+izZpKXZHlPrYQiDtmdGiCylnT4i43AAWxg=
-github.com/rs/zerolog v1.21.0/go.mod h1:ZPhntP/xmq1nnND05hhpAh2QMhSsA4UN3MGZ6O2J3hM=
+github.com/rs/zerolog v1.22.0/go.mod h1:ZPhntP/xmq1nnND05hhpAh2QMhSsA4UN3MGZ6O2J3hM=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
@@ -336,6 +350,7 @@ github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An
 github.com/spf13/viper v1.7.0 h1:xVKxvI7ouOI5I+U9s2eeiUfMaWBVoXA3AWskkrqK0VM=
 github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.1.1 h1:2vfRuCMp5sSVIDSqO8oNnWJq7mPa6KVP3iPIwFBuy8A=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
@@ -376,6 +391,8 @@ go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9E
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.16.0 h1:uFRZXykJGK9lLY4HtgSw44DnIcAM+kRBP7x5m+NpAOM=
 go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
+go.xsfx.dev/don v1.0.0 h1:gYyK1w23PFlqKCxhERlq3p59ugHsXcJeAWKQ/wI23+U=
+go.xsfx.dev/don v1.0.0/go.mod h1:eLqKA6S/io/qhqY1U8j/ErrXofu7qPZ8+4udedC9wU0=
 go.xsfx.dev/logginghandler v0.0.4 h1:WLV5DX3qHBFJAwI2Rwm12IEIjaxhiUZUxWlDb0uYg8U=
 go.xsfx.dev/logginghandler v0.0.4/go.mod h1:eBdnUeB7noknVfwTYrSiVl3hYYy0/5jfDSH4mwExGdc=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -489,10 +506,12 @@ golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

integration_test.go

@@ -12,18 +12,20 @@ import (
 
 	sshclient "github.com/helloyi/go-sshclient"
 	"github.com/ory/dockertest/v3"
+	dc "github.com/ory/dockertest/v3/docker"
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 	"github.com/tmc/scp"
+	"go.xsfx.dev/don"
 	"golang.org/x/crypto/ssh"
 )
 
 const (
-	sdcard           = "/home/marv/tmp/2021-03-04-raspios-buster-armhf-lite.img"
+	sdcard           = "/SWAP/2021-05-07-raspios-buster-armhf-lite.img"
 	sshUser          = "pi"
 	sshPass          = "raspberry"
-	sshHost          = "localhost"
+	sshHost          = "docker"
-	containerTimeout = 5 * time.Minute
+	containerTimeout = 15 * time.Minute
 )
 
 // Variables used for accessing stuff in the test functions.
@@ -91,32 +93,18 @@ func copySchnutibox(user, pass, host string) error {
 }
 
 // teardown removes some temp test stuff.
-func teardown(img string, pool *dockertest.Pool, resource *dockertest.Resource) {
+func teardown(pool *dockertest.Pool, resource *dockertest.Resource) {
 	log.Info().Msg("getting rid of container")
 
 	if err := pool.Purge(resource); err != nil {
 		log.Fatal().Err(err).Msg("could not cleanup")
 	}
-
-	log.Info().Str("img", img).Msg("deleting temp image")
-
-	if err := os.Remove(img); err != nil {
-		log.Fatal().Err(err).Msg("could not delete temp image")
-	}
 }
 
 // nolint:funlen
 func TestMain(m *testing.M) {
 	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
 
-	// Create tmp image.
-	img, err := raspbianWorkCopy()
-	if err != nil {
-		log.Error().Err(err).Msg("could not create temp work image")
-	}
-
-	log.Info().Str("img", img).Msg("created temp image file")
-
 	pool, err := dockertest.NewPool("")
 	if err != nil {
 		log.Fatal().Err(err).Msg("could not connect to docker")
@@ -132,8 +120,11 @@ func TestMain(m *testing.M) {
 		&dockertest.RunOptions{
 			Repository:   "lukechilds/dockerpi",
 			Tag:          "vm",
-			Mounts:       []string{img + ":/sdcard/filesystem.img"},
+			Mounts:       []string{sdcard + ":/sdcard/filesystem.img"},
 			ExposedPorts: []string{"5022/tcp"},
+			PortBindings: map[dc.Port][]dc.PortBinding{
+				"5022/tcp": {{HostIP: "0.0.0.0", HostPort: "5022"}},
+			},
 		})
 	if err != nil {
 		log.Fatal().Err(err).Msg("could not start resource")
@@ -144,37 +135,26 @@ func TestMain(m *testing.M) {
 
 	sshConn = sshHost + ":" + resource.GetPort("5022/tcp")
 
-	// Channels for checking readyness of the container.
+	// Readiness.
-	sshReady := make(chan struct{})
+	if err := don.Check(
-	sshError := make(chan error)
+		func() bool {
-
-	// Constant check for readyness of container.
-	go func() {
-		for {
 			client, err := sshclient.DialWithPasswd(sshConn, sshUser, sshPass)
 			if err == nil {
 				if err := client.Close(); err != nil {
-					sshError <- err
+					return false
 				}
-				sshReady <- struct{}{}
+
+				return true
 			}
 
-			log.Debug().Msg("container not ready yet")
+			return false
-			time.Sleep(5 * time.Second)
+		},
-		}
+		20*time.Minute,
-	}()
+		15*time.Second,
-
+	); err != nil {
-	select {
+		log.Error().Err(err).Msg("timeout. could not connect to container via ssh")
-	case err := <-sshError:
+		teardown(pool, resource)
-		log.Error().Err(err).Msg("could not connect to container via ssh")
-		teardown(img, pool, resource)
 		os.Exit(1)
-	case <-time.After(containerTimeout):
-		log.Error().Msg("timeout. could not connect to container via ssh")
-		teardown(img, pool, resource)
-		os.Exit(1)
-	case <-sshReady:
-		log.Info().Msg("container is ready")
 	}
 
 	// Connect via SSH.
@@ -183,7 +163,7 @@ func TestMain(m *testing.M) {
 	client, err = sshclient.DialWithPasswd(sshConn, sshUser, sshPass)
 	if err != nil {
 		log.Error().Err(err).Msg("could not connect via ssh")
-		teardown(img, pool, resource)
+		teardown(pool, resource)
 		os.Exit(1)
 	}
 
@@ -196,7 +176,7 @@ func TestMain(m *testing.M) {
 
 	if err := copySchnutibox(sshUser, sshPass, sshConn); err != nil {
 		log.Error().Err(err).Msg("could not copy schnutibox")
-		teardown(img, pool, resource)
+		teardown(pool, resource)
 		os.Exit(1)
 	}
 
@@ -208,7 +188,7 @@ func TestMain(m *testing.M) {
 		SetStdio(os.Stdout, os.Stderr).
 		Run(); err != nil {
 		log.Error().Err(err).Msg("could not create /usr/local/bin on container")
-		teardown(img, pool, resource)
+		teardown(pool, resource)
 		os.Exit(1)
 	}
 
@@ -219,7 +199,7 @@ func TestMain(m *testing.M) {
 	code := m.Run()
 
 	// Removing container.
-	teardown(img, pool, resource)
+	teardown(pool, resource)
 
 	os.Exit(code)
 }

internal/config/config.go

@@ -7,19 +7,24 @@ import (
 	api "go.xsfx.dev/schnutibox/pkg/api/v1"
 )
 
+// Cfg stores a global config object.
 var Cfg Config
 
 type Config struct {
+	Debug struct {
+		PPROF bool `mapstructure:"PPROF"`
+	}
+
 	// Reader is used to configure the RFID Reader.
 	Reader struct {
 		Dev string `mapstructure:"Dev"`
 	} `mapstructure:"Reader"`
 
-	// Box is used to configure a webinterface.
+	// Web is used to configure the webinterface.
-	Box struct {
+	Web struct {
 		Hostname string `mapstructure:"Hostname"`
 		Port     int    `mapstructure:"Port"`
-	} `mapstructure:"Box"`
+	} `mapstructure:"Web"`
 
 	// MPD contains the connection details for the Music Player Daemon.
 	MPD struct {

internal/grpcclient/grpcclient.go

@@ -0,0 +1,18 @@
+package grpcclient
+
+import (
+	"fmt"
+
+	"google.golang.org/grpc"
+)
+
+func Conn(hostname string, port int) (*grpc.ClientConn, error) {
+	var conn *grpc.ClientConn
+
+	conn, err := grpc.Dial(fmt.Sprintf("%s:%d", hostname, port), grpc.WithInsecure())
+	if err != nil {
+		return nil, fmt.Errorf("could not connect: %w", err)
+	}
+
+	return conn, nil
+}

internal/metrics/metrics.go

@@ -4,18 +4,75 @@ package metrics
 import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
+	api "go.xsfx.dev/schnutibox/pkg/api/v1"
 )
 
-var (
+// Plays is a map of tracked plays.
-	TracksPlayed = promauto.NewCounterVec(
+// Its a map, so its easier to check if the metric is already initialized
-		prometheus.CounterOpts{
+// and usable. The Key string is the RFID identification.
-			Name: "schnutibox_played_tracks_total",
+var Plays = make(map[string]*api.IdentifyResponse)
-		},
-		[]string{"rfid", "name"})
 
-	BoxErrors = promauto.NewCounter(
+// NewPlay initialize a new play metric.
-		prometheus.CounterOpts{
+func NewPlay(rfid, name string, uris []string) {
-			Name: "schnutbox_errors_total",
+	if _, ok := Plays[rfid]; !ok {
-		},
+		Plays[rfid] = &api.IdentifyResponse{
-	)
+			Name: name,
+			Uris: uris,
+		}
+	}
+}
+
+// Play is the play metric.
+var Play = promauto.NewGaugeVec(
+	prometheus.GaugeOpts{
+		Name: "schnutibox_plays",
+		Help: "play metrics",
+	},
+	[]string{"rfid", "name"},
 )
+
+// Seconds tracks the seconds a play was played.
+var Seconds = promauto.NewCounterVec(
+	prometheus.CounterOpts{
+		Name: "schnutibox_play_seconds_total",
+		Help: "play seconds metrics",
+	},
+	[]string{"rfid", "name"},
+)
+
+// BoxErrors counts schnutibox errors.
+var BoxErrors = promauto.NewCounter(
+	prometheus.CounterOpts{
+		Name: "schnutibox_errors_total",
+		Help: "counter of errors",
+	},
+)
+
+// tracksEqual checks if uris slices are equal.
+// This is needed to search for the right play item.
+func tracksEqual(a, b []string) bool {
+	if len(a) != len(b) {
+		return false
+	}
+
+	for i, v := range a {
+		if v != b[i] {
+			return false
+		}
+	}
+
+	return true
+}
+
+// Set sets `1` on play gauge if item is playing, a `0` on every other play.
+// It also raises the counter for played seconds of a play.
+func Set(uris []string, state string) {
+	for r, p := range Plays {
+		if tracksEqual(uris, p.Uris) && state == "play" {
+			Play.WithLabelValues(r, p.Name).Set(1)
+			Seconds.WithLabelValues(r, p.Name).Inc()
+		} else {
+			Play.WithLabelValues(r, p.Name).Set(0)
+		}
+	}
+}

main.go

@@ -12,7 +12,7 @@ import (
 
 func main() {
 	sselog.Log = sselog.NewSSELog()
-	log.Logger = zerolog.New(io.MultiWriter(os.Stderr, sselog.Log)).With().Caller().Logger()
+	log.Logger = zerolog.New(io.MultiWriter(zerolog.ConsoleWriter{Out: os.Stderr}, sselog.Log)).With().Caller().Logger()
 
 	cmd.Execute()
 }

pkg/api/v1/google/api/annotations.pb.go

@@ -0,0 +1,118 @@
+// Copyright 2015 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.13.0
+// source: google/api/annotations.proto
+
+package annotations
+
+import (
+	descriptor "github.com/golang/protobuf/protoc-gen-go/descriptor"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+var file_google_api_annotations_proto_extTypes = []protoimpl.ExtensionInfo{
+	{
+		ExtendedType:  (*descriptor.MethodOptions)(nil),
+		ExtensionType: (*HttpRule)(nil),
+		Field:         72295728,
+		Name:          "google.api.http",
+		Tag:           "bytes,72295728,opt,name=http",
+		Filename:      "google/api/annotations.proto",
+	},
+}
+
+// Extension fields to descriptor.MethodOptions.
+var (
+	// See `HttpRule`.
+	//
+	// optional google.api.HttpRule http = 72295728;
+	E_Http = &file_google_api_annotations_proto_extTypes[0]
+)
+
+var File_google_api_annotations_proto protoreflect.FileDescriptor
+
+var file_google_api_annotations_proto_rawDesc = []byte{
+	0x0a, 0x1c, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x61, 0x6e, 0x6e,
+	0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0a,
+	0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x61, 0x70, 0x69, 0x1a, 0x15, 0x67, 0x6f, 0x6f, 0x67,
+	0x6c, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x68, 0x74, 0x74, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x1a, 0x20, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
+	0x75, 0x66, 0x2f, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x6f, 0x72, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x3a, 0x4b, 0x0a, 0x04, 0x68, 0x74, 0x74, 0x70, 0x12, 0x1e, 0x2e, 0x67, 0x6f,
+	0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x4d, 0x65,
+	0x74, 0x68, 0x6f, 0x64, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xb0, 0xca, 0xbc, 0x22,
+	0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x61, 0x70,
+	0x69, 0x2e, 0x48, 0x74, 0x74, 0x70, 0x52, 0x75, 0x6c, 0x65, 0x52, 0x04, 0x68, 0x74, 0x74, 0x70,
+	0x42, 0x6e, 0x0a, 0x0e, 0x63, 0x6f, 0x6d, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x61,
+	0x70, 0x69, 0x42, 0x10, 0x41, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x50,
+	0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x41, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x67,
+	0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x67, 0x65, 0x6e, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x61, 0x70,
+	0x69, 0x2f, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x3b, 0x61, 0x6e,
+	0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0xa2, 0x02, 0x04, 0x47, 0x41, 0x50, 0x49,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var file_google_api_annotations_proto_goTypes = []interface{}{
+	(*descriptor.MethodOptions)(nil), // 0: google.protobuf.MethodOptions
+	(*HttpRule)(nil),                 // 1: google.api.HttpRule
+}
+var file_google_api_annotations_proto_depIdxs = []int32{
+	0, // 0: google.api.http:extendee -> google.protobuf.MethodOptions
+	1, // 1: google.api.http:type_name -> google.api.HttpRule
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	1, // [1:2] is the sub-list for extension type_name
+	0, // [0:1] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_google_api_annotations_proto_init() }
+func file_google_api_annotations_proto_init() {
+	if File_google_api_annotations_proto != nil {
+		return
+	}
+	file_google_api_http_proto_init()
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_api_annotations_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   0,
+			NumExtensions: 1,
+			NumServices:   0,
+		},
+		GoTypes:           file_google_api_annotations_proto_goTypes,
+		DependencyIndexes: file_google_api_annotations_proto_depIdxs,
+		ExtensionInfos:    file_google_api_annotations_proto_extTypes,
+	}.Build()
+	File_google_api_annotations_proto = out.File
+	file_google_api_annotations_proto_rawDesc = nil
+	file_google_api_annotations_proto_goTypes = nil
+	file_google_api_annotations_proto_depIdxs = nil
+}

pkg/api/v1/google/api/http.pb.go

@@ -0,0 +1,777 @@
+// Copyright 2015 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.13.0
+// source: google/api/http.proto
+
+package annotations
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Defines the HTTP configuration for an API service. It contains a list of
+// [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method
+// to one or more HTTP REST API methods.
+type Http struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// A list of HTTP configuration rules that apply to individual API methods.
+	//
+	// **NOTE:** All service configuration rules follow "last one wins" order.
+	Rules []*HttpRule `protobuf:"bytes,1,rep,name=rules,proto3" json:"rules,omitempty"`
+	// When set to true, URL path parameters will be fully URI-decoded except in
+	// cases of single segment matches in reserved expansion, where "%2F" will be
+	// left encoded.
+	//
+	// The default behavior is to not decode RFC 6570 reserved characters in multi
+	// segment matches.
+	FullyDecodeReservedExpansion bool `protobuf:"varint,2,opt,name=fully_decode_reserved_expansion,json=fullyDecodeReservedExpansion,proto3" json:"fully_decode_reserved_expansion,omitempty"`
+}
+
+func (x *Http) Reset() {
+	*x = Http{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_api_http_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Http) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Http) ProtoMessage() {}
+
+func (x *Http) ProtoReflect() protoreflect.Message {
+	mi := &file_google_api_http_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Http.ProtoReflect.Descriptor instead.
+func (*Http) Descriptor() ([]byte, []int) {
+	return file_google_api_http_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Http) GetRules() []*HttpRule {
+	if x != nil {
+		return x.Rules
+	}
+	return nil
+}
+
+func (x *Http) GetFullyDecodeReservedExpansion() bool {
+	if x != nil {
+		return x.FullyDecodeReservedExpansion
+	}
+	return false
+}
+
+// # gRPC Transcoding
+//
+// gRPC Transcoding is a feature for mapping between a gRPC method and one or
+// more HTTP REST endpoints. It allows developers to build a single API service
+// that supports both gRPC APIs and REST APIs. Many systems, including [Google
+// APIs](https://github.com/googleapis/googleapis),
+// [Cloud Endpoints](https://cloud.google.com/endpoints), [gRPC
+// Gateway](https://github.com/grpc-ecosystem/grpc-gateway),
+// and [Envoy](https://github.com/envoyproxy/envoy) proxy support this feature
+// and use it for large scale production services.
+//
+// `HttpRule` defines the schema of the gRPC/REST mapping. The mapping specifies
+// how different portions of the gRPC request message are mapped to the URL
+// path, URL query parameters, and HTTP request body. It also controls how the
+// gRPC response message is mapped to the HTTP response body. `HttpRule` is
+// typically specified as an `google.api.http` annotation on the gRPC method.
+//
+// Each mapping specifies a URL path template and an HTTP method. The path
+// template may refer to one or more fields in the gRPC request message, as long
+// as each field is a non-repeated field with a primitive (non-message) type.
+// The path template controls how fields of the request message are mapped to
+// the URL path.
+//
+// Example:
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//             get: "/v1/{name=messages/*}"
+//         };
+//       }
+//     }
+//     message GetMessageRequest {
+//       string name = 1; // Mapped to URL path.
+//     }
+//     message Message {
+//       string text = 1; // The resource content.
+//     }
+//
+// This enables an HTTP REST to gRPC mapping as below:
+//
+// HTTP | gRPC
+// -----|-----
+// `GET /v1/messages/123456`  | `GetMessage(name: "messages/123456")`
+//
+// Any fields in the request message which are not bound by the path template
+// automatically become HTTP query parameters if there is no HTTP request body.
+// For example:
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//             get:"/v1/messages/{message_id}"
+//         };
+//       }
+//     }
+//     message GetMessageRequest {
+//       message SubMessage {
+//         string subfield = 1;
+//       }
+//       string message_id = 1; // Mapped to URL path.
+//       int64 revision = 2;    // Mapped to URL query parameter `revision`.
+//       SubMessage sub = 3;    // Mapped to URL query parameter `sub.subfield`.
+//     }
+//
+// This enables a HTTP JSON to RPC mapping as below:
+//
+// HTTP | gRPC
+// -----|-----
+// `GET /v1/messages/123456?revision=2&sub.subfield=foo` |
+// `GetMessage(message_id: "123456" revision: 2 sub: SubMessage(subfield:
+// "foo"))`
+//
+// Note that fields which are mapped to URL query parameters must have a
+// primitive type or a repeated primitive type or a non-repeated message type.
+// In the case of a repeated type, the parameter can be repeated in the URL
+// as `...?param=A&param=B`. In the case of a message type, each field of the
+// message is mapped to a separate parameter, such as
+// `...?foo.a=A&foo.b=B&foo.c=C`.
+//
+// For HTTP methods that allow a request body, the `body` field
+// specifies the mapping. Consider a REST update method on the
+// message resource collection:
+//
+//     service Messaging {
+//       rpc UpdateMessage(UpdateMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//           patch: "/v1/messages/{message_id}"
+//           body: "message"
+//         };
+//       }
+//     }
+//     message UpdateMessageRequest {
+//       string message_id = 1; // mapped to the URL
+//       Message message = 2;   // mapped to the body
+//     }
+//
+// The following HTTP JSON to RPC mapping is enabled, where the
+// representation of the JSON in the request body is determined by
+// protos JSON encoding:
+//
+// HTTP | gRPC
+// -----|-----
+// `PATCH /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id:
+// "123456" message { text: "Hi!" })`
+//
+// The special name `*` can be used in the body mapping to define that
+// every field not bound by the path template should be mapped to the
+// request body.  This enables the following alternative definition of
+// the update method:
+//
+//     service Messaging {
+//       rpc UpdateMessage(Message) returns (Message) {
+//         option (google.api.http) = {
+//           patch: "/v1/messages/{message_id}"
+//           body: "*"
+//         };
+//       }
+//     }
+//     message Message {
+//       string message_id = 1;
+//       string text = 2;
+//     }
+//
+//
+// The following HTTP JSON to RPC mapping is enabled:
+//
+// HTTP | gRPC
+// -----|-----
+// `PATCH /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id:
+// "123456" text: "Hi!")`
+//
+// Note that when using `*` in the body mapping, it is not possible to
+// have HTTP parameters, as all fields not bound by the path end in
+// the body. This makes this option more rarely used in practice when
+// defining REST APIs. The common usage of `*` is in custom methods
+// which don't use the URL at all for transferring data.
+//
+// It is possible to define multiple HTTP methods for one RPC by using
+// the `additional_bindings` option. Example:
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//           get: "/v1/messages/{message_id}"
+//           additional_bindings {
+//             get: "/v1/users/{user_id}/messages/{message_id}"
+//           }
+//         };
+//       }
+//     }
+//     message GetMessageRequest {
+//       string message_id = 1;
+//       string user_id = 2;
+//     }
+//
+// This enables the following two alternative HTTP JSON to RPC mappings:
+//
+// HTTP | gRPC
+// -----|-----
+// `GET /v1/messages/123456` | `GetMessage(message_id: "123456")`
+// `GET /v1/users/me/messages/123456` | `GetMessage(user_id: "me" message_id:
+// "123456")`
+//
+// ## Rules for HTTP mapping
+//
+// 1. Leaf request fields (recursive expansion nested messages in the request
+//    message) are classified into three categories:
+//    - Fields referred by the path template. They are passed via the URL path.
+//    - Fields referred by the [HttpRule.body][google.api.HttpRule.body]. They are passed via the HTTP
+//      request body.
+//    - All other fields are passed via the URL query parameters, and the
+//      parameter name is the field path in the request message. A repeated
+//      field can be represented as multiple query parameters under the same
+//      name.
+//  2. If [HttpRule.body][google.api.HttpRule.body] is "*", there is no URL query parameter, all fields
+//     are passed via URL path and HTTP request body.
+//  3. If [HttpRule.body][google.api.HttpRule.body] is omitted, there is no HTTP request body, all
+//     fields are passed via URL path and URL query parameters.
+//
+// ### Path template syntax
+//
+//     Template = "/" Segments [ Verb ] ;
+//     Segments = Segment { "/" Segment } ;
+//     Segment  = "*" | "**" | LITERAL | Variable ;
+//     Variable = "{" FieldPath [ "=" Segments ] "}" ;
+//     FieldPath = IDENT { "." IDENT } ;
+//     Verb     = ":" LITERAL ;
+//
+// The syntax `*` matches a single URL path segment. The syntax `**` matches
+// zero or more URL path segments, which must be the last part of the URL path
+// except the `Verb`.
+//
+// The syntax `Variable` matches part of the URL path as specified by its
+// template. A variable template must not contain other variables. If a variable
+// matches a single path segment, its template may be omitted, e.g. `{var}`
+// is equivalent to `{var=*}`.
+//
+// The syntax `LITERAL` matches literal text in the URL path. If the `LITERAL`
+// contains any reserved character, such characters should be percent-encoded
+// before the matching.
+//
+// If a variable contains exactly one path segment, such as `"{var}"` or
+// `"{var=*}"`, when such a variable is expanded into a URL path on the client
+// side, all characters except `[-_.~0-9a-zA-Z]` are percent-encoded. The
+// server side does the reverse decoding. Such variables show up in the
+// [Discovery
+// Document](https://developers.google.com/discovery/v1/reference/apis) as
+// `{var}`.
+//
+// If a variable contains multiple path segments, such as `"{var=foo/*}"`
+// or `"{var=**}"`, when such a variable is expanded into a URL path on the
+// client side, all characters except `[-_.~/0-9a-zA-Z]` are percent-encoded.
+// The server side does the reverse decoding, except "%2F" and "%2f" are left
+// unchanged. Such variables show up in the
+// [Discovery
+// Document](https://developers.google.com/discovery/v1/reference/apis) as
+// `{+var}`.
+//
+// ## Using gRPC API Service Configuration
+//
+// gRPC API Service Configuration (service config) is a configuration language
+// for configuring a gRPC service to become a user-facing product. The
+// service config is simply the YAML representation of the `google.api.Service`
+// proto message.
+//
+// As an alternative to annotating your proto file, you can configure gRPC
+// transcoding in your service config YAML files. You do this by specifying a
+// `HttpRule` that maps the gRPC method to a REST endpoint, achieving the same
+// effect as the proto annotation. This can be particularly useful if you
+// have a proto that is reused in multiple services. Note that any transcoding
+// specified in the service config will override any matching transcoding
+// configuration in the proto.
+//
+// Example:
+//
+//     http:
+//       rules:
+//         # Selects a gRPC method and applies HttpRule to it.
+//         - selector: example.v1.Messaging.GetMessage
+//           get: /v1/messages/{message_id}/{sub.subfield}
+//
+// ## Special notes
+//
+// When gRPC Transcoding is used to map a gRPC to JSON REST endpoints, the
+// proto to JSON conversion must follow the [proto3
+// specification](https://developers.google.com/protocol-buffers/docs/proto3#json).
+//
+// While the single segment variable follows the semantics of
+// [RFC 6570](https://tools.ietf.org/html/rfc6570) Section 3.2.2 Simple String
+// Expansion, the multi segment variable **does not** follow RFC 6570 Section
+// 3.2.3 Reserved Expansion. The reason is that the Reserved Expansion
+// does not expand special characters like `?` and `#`, which would lead
+// to invalid URLs. As the result, gRPC Transcoding uses a custom encoding
+// for multi segment variables.
+//
+// The path variables **must not** refer to any repeated or mapped field,
+// because client libraries are not capable of handling such variable expansion.
+//
+// The path variables **must not** capture the leading "/" character. The reason
+// is that the most common use case "{var}" does not capture the leading "/"
+// character. For consistency, all path variables must share the same behavior.
+//
+// Repeated message fields must not be mapped to URL query parameters, because
+// no client library can support such complicated mapping.
+//
+// If an API needs to use a JSON array for request or response body, it can map
+// the request or response body to a repeated field. However, some gRPC
+// Transcoding implementations may not support this feature.
+type HttpRule struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Selects a method to which this rule applies.
+	//
+	// Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+	Selector string `protobuf:"bytes,1,opt,name=selector,proto3" json:"selector,omitempty"`
+	// Determines the URL pattern is matched by this rules. This pattern can be
+	// used with any of the {get|put|post|delete|patch} methods. A custom method
+	// can be defined using the 'custom' field.
+	//
+	// Types that are assignable to Pattern:
+	//	*HttpRule_Get
+	//	*HttpRule_Put
+	//	*HttpRule_Post
+	//	*HttpRule_Delete
+	//	*HttpRule_Patch
+	//	*HttpRule_Custom
+	Pattern isHttpRule_Pattern `protobuf_oneof:"pattern"`
+	// The name of the request field whose value is mapped to the HTTP request
+	// body, or `*` for mapping all request fields not captured by the path
+	// pattern to the HTTP body, or omitted for not having any HTTP request body.
+	//
+	// NOTE: the referred field must be present at the top-level of the request
+	// message type.
+	Body string `protobuf:"bytes,7,opt,name=body,proto3" json:"body,omitempty"`
+	// Optional. The name of the response field whose value is mapped to the HTTP
+	// response body. When omitted, the entire response message will be used
+	// as the HTTP response body.
+	//
+	// NOTE: The referred field must be present at the top-level of the response
+	// message type.
+	ResponseBody string `protobuf:"bytes,12,opt,name=response_body,json=responseBody,proto3" json:"response_body,omitempty"`
+	// Additional HTTP bindings for the selector. Nested bindings must
+	// not contain an `additional_bindings` field themselves (that is,
+	// the nesting may only be one level deep).
+	AdditionalBindings []*HttpRule `protobuf:"bytes,11,rep,name=additional_bindings,json=additionalBindings,proto3" json:"additional_bindings,omitempty"`
+}
+
+func (x *HttpRule) Reset() {
+	*x = HttpRule{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_api_http_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HttpRule) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HttpRule) ProtoMessage() {}
+
+func (x *HttpRule) ProtoReflect() protoreflect.Message {
+	mi := &file_google_api_http_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HttpRule.ProtoReflect.Descriptor instead.
+func (*HttpRule) Descriptor() ([]byte, []int) {
+	return file_google_api_http_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *HttpRule) GetSelector() string {
+	if x != nil {
+		return x.Selector
+	}
+	return ""
+}
+
+func (m *HttpRule) GetPattern() isHttpRule_Pattern {
+	if m != nil {
+		return m.Pattern
+	}
+	return nil
+}
+
+func (x *HttpRule) GetGet() string {
+	if x, ok := x.GetPattern().(*HttpRule_Get); ok {
+		return x.Get
+	}
+	return ""
+}
+
+func (x *HttpRule) GetPut() string {
+	if x, ok := x.GetPattern().(*HttpRule_Put); ok {
+		return x.Put
+	}
+	return ""
+}
+
+func (x *HttpRule) GetPost() string {
+	if x, ok := x.GetPattern().(*HttpRule_Post); ok {
+		return x.Post
+	}
+	return ""
+}
+
+func (x *HttpRule) GetDelete() string {
+	if x, ok := x.GetPattern().(*HttpRule_Delete); ok {
+		return x.Delete
+	}
+	return ""
+}
+
+func (x *HttpRule) GetPatch() string {
+	if x, ok := x.GetPattern().(*HttpRule_Patch); ok {
+		return x.Patch
+	}
+	return ""
+}
+
+func (x *HttpRule) GetCustom() *CustomHttpPattern {
+	if x, ok := x.GetPattern().(*HttpRule_Custom); ok {
+		return x.Custom
+	}
+	return nil
+}
+
+func (x *HttpRule) GetBody() string {
+	if x != nil {
+		return x.Body
+	}
+	return ""
+}
+
+func (x *HttpRule) GetResponseBody() string {
+	if x != nil {
+		return x.ResponseBody
+	}
+	return ""
+}
+
+func (x *HttpRule) GetAdditionalBindings() []*HttpRule {
+	if x != nil {
+		return x.AdditionalBindings
+	}
+	return nil
+}
+
+type isHttpRule_Pattern interface {
+	isHttpRule_Pattern()
+}
+
+type HttpRule_Get struct {
+	// Maps to HTTP GET. Used for listing and getting information about
+	// resources.
+	Get string `protobuf:"bytes,2,opt,name=get,proto3,oneof"`
+}
+
+type HttpRule_Put struct {
+	// Maps to HTTP PUT. Used for replacing a resource.
+	Put string `protobuf:"bytes,3,opt,name=put,proto3,oneof"`
+}
+
+type HttpRule_Post struct {
+	// Maps to HTTP POST. Used for creating a resource or performing an action.
+	Post string `protobuf:"bytes,4,opt,name=post,proto3,oneof"`
+}
+
+type HttpRule_Delete struct {
+	// Maps to HTTP DELETE. Used for deleting a resource.
+	Delete string `protobuf:"bytes,5,opt,name=delete,proto3,oneof"`
+}
+
+type HttpRule_Patch struct {
+	// Maps to HTTP PATCH. Used for updating a resource.
+	Patch string `protobuf:"bytes,6,opt,name=patch,proto3,oneof"`
+}
+
+type HttpRule_Custom struct {
+	// The custom pattern is used for specifying an HTTP method that is not
+	// included in the `pattern` field, such as HEAD, or "*" to leave the
+	// HTTP method unspecified for this rule. The wild-card rule is useful
+	// for services that provide content to Web (HTML) clients.
+	Custom *CustomHttpPattern `protobuf:"bytes,8,opt,name=custom,proto3,oneof"`
+}
+
+func (*HttpRule_Get) isHttpRule_Pattern() {}
+
+func (*HttpRule_Put) isHttpRule_Pattern() {}
+
+func (*HttpRule_Post) isHttpRule_Pattern() {}
+
+func (*HttpRule_Delete) isHttpRule_Pattern() {}
+
+func (*HttpRule_Patch) isHttpRule_Pattern() {}
+
+func (*HttpRule_Custom) isHttpRule_Pattern() {}
+
+// A custom pattern is used for defining custom HTTP verb.
+type CustomHttpPattern struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The name of this custom HTTP verb.
+	Kind string `protobuf:"bytes,1,opt,name=kind,proto3" json:"kind,omitempty"`
+	// The path matched by this custom verb.
+	Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+}
+
+func (x *CustomHttpPattern) Reset() {
+	*x = CustomHttpPattern{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_api_http_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CustomHttpPattern) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CustomHttpPattern) ProtoMessage() {}
+
+func (x *CustomHttpPattern) ProtoReflect() protoreflect.Message {
+	mi := &file_google_api_http_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CustomHttpPattern.ProtoReflect.Descriptor instead.
+func (*CustomHttpPattern) Descriptor() ([]byte, []int) {
+	return file_google_api_http_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *CustomHttpPattern) GetKind() string {
+	if x != nil {
+		return x.Kind
+	}
+	return ""
+}
+
+func (x *CustomHttpPattern) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+var File_google_api_http_proto protoreflect.FileDescriptor
+
+var file_google_api_http_proto_rawDesc = []byte{
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+	0x70, 0x69, 0x2f, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x3b, 0x61,
+	0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0xf8, 0x01, 0x01, 0xa2, 0x02, 0x04,
+	0x47, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_google_api_http_proto_rawDescOnce sync.Once
+	file_google_api_http_proto_rawDescData = file_google_api_http_proto_rawDesc
+)
+
+func file_google_api_http_proto_rawDescGZIP() []byte {
+	file_google_api_http_proto_rawDescOnce.Do(func() {
+		file_google_api_http_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_api_http_proto_rawDescData)
+	})
+	return file_google_api_http_proto_rawDescData
+}
+
+var file_google_api_http_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_google_api_http_proto_goTypes = []interface{}{
+	(*Http)(nil),              // 0: google.api.Http
+	(*HttpRule)(nil),          // 1: google.api.HttpRule
+	(*CustomHttpPattern)(nil), // 2: google.api.CustomHttpPattern
+}
+var file_google_api_http_proto_depIdxs = []int32{
+	1, // 0: google.api.Http.rules:type_name -> google.api.HttpRule
+	2, // 1: google.api.HttpRule.custom:type_name -> google.api.CustomHttpPattern
+	1, // 2: google.api.HttpRule.additional_bindings:type_name -> google.api.HttpRule
+	3, // [3:3] is the sub-list for method output_type
+	3, // [3:3] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
+}
+
+func init() { file_google_api_http_proto_init() }
+func file_google_api_http_proto_init() {
+	if File_google_api_http_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_google_api_http_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Http); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_api_http_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*HttpRule); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_api_http_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CustomHttpPattern); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_google_api_http_proto_msgTypes[1].OneofWrappers = []interface{}{
+		(*HttpRule_Get)(nil),
+		(*HttpRule_Put)(nil),
+		(*HttpRule_Post)(nil),
+		(*HttpRule_Delete)(nil),
+		(*HttpRule_Patch)(nil),
+		(*HttpRule_Custom)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_api_http_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_google_api_http_proto_goTypes,
+		DependencyIndexes: file_google_api_http_proto_depIdxs,
+		MessageInfos:      file_google_api_http_proto_msgTypes,
+	}.Build()
+	File_google_api_http_proto = out.File
+	file_google_api_http_proto_rawDesc = nil
+	file_google_api_http_proto_goTypes = nil
+	file_google_api_http_proto_depIdxs = nil
+}

pkg/api/v1/schnutibox.pb.go

@@ -7,6 +7,7 @@
 package v1
 
 import (
+	duration "github.com/golang/protobuf/ptypes/duration"
 	_ "google.golang.org/genproto/googleapis/api/annotations"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
@@ -123,30 +124,144 @@ func (x *IdentifyResponse) GetUris() []string {
 	return nil
 }
 
+type Timer struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Duration *duration.Duration `protobuf:"bytes,1,opt,name=duration,proto3" json:"duration,omitempty"`
+	Current  *duration.Duration `protobuf:"bytes,2,opt,name=current,proto3" json:"current,omitempty"`
+}
+
+func (x *Timer) Reset() {
+	*x = Timer{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_schnutibox_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Timer) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Timer) ProtoMessage() {}
+
+func (x *Timer) ProtoReflect() protoreflect.Message {
+	mi := &file_schnutibox_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Timer.ProtoReflect.Descriptor instead.
+func (*Timer) Descriptor() ([]byte, []int) {
+	return file_schnutibox_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *Timer) GetDuration() *duration.Duration {
+	if x != nil {
+		return x.Duration
+	}
+	return nil
+}
+
+func (x *Timer) GetCurrent() *duration.Duration {
+	if x != nil {
+		return x.Current
+	}
+	return nil
+}
+
+type TimerEmpty struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *TimerEmpty) Reset() {
+	*x = TimerEmpty{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_schnutibox_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TimerEmpty) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TimerEmpty) ProtoMessage() {}
+
+func (x *TimerEmpty) ProtoReflect() protoreflect.Message {
+	mi := &file_schnutibox_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TimerEmpty.ProtoReflect.Descriptor instead.
+func (*TimerEmpty) Descriptor() ([]byte, []int) {
+	return file_schnutibox_proto_rawDescGZIP(), []int{3}
+}
+
 var File_schnutibox_proto protoreflect.FileDescriptor
 
 var file_schnutibox_proto_rawDesc = []byte{
 	0x0a, 0x10, 0x73, 0x63, 0x68, 0x6e, 0x75, 0x74, 0x69, 0x62, 0x6f, 0x78, 0x2e, 0x70, 0x72, 0x6f,
 	0x74, 0x6f, 0x12, 0x0d, 0x73, 0x63, 0x68, 0x6e, 0x75, 0x74, 0x69, 0x62, 0x6f, 0x78, 0x2e, 0x76,
 	0x31, 0x1a, 0x1c, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x61, 0x6e,
-	0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22,
+	0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a,
+	0x1e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66,
+	0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22,
 	0x21, 0x0a, 0x0f, 0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x66, 0x79, 0x52, 0x65, 0x71, 0x75, 0x65,
 	0x73, 0x74, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x02,
 	0x69, 0x64, 0x22, 0x3a, 0x0a, 0x10, 0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x66, 0x79, 0x52, 0x65,
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-	0x69, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28, 0x09, 0x52, 0x04, 0x75, 0x72, 0x69, 0x73, 0x32, 0x79,
+	0x69, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28, 0x09, 0x52, 0x04, 0x75, 0x72, 0x69, 0x73, 0x22, 0x73,
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+	0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x67, 0x6f, 0x6f, 0x67,
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+	0x0a, 0x07, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32,
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+	0x19, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
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+	0x66, 0x2e, 0x44, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x07, 0x63, 0x75, 0x72, 0x72,
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+	0x65, 0x6e, 0x74, 0x22, 0x0c, 0x0a, 0x0a, 0x54, 0x69, 0x6d, 0x65, 0x72, 0x45, 0x6d, 0x70, 0x74,
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-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x66, 0x79, 0x12, 0x1e, 0x2e, 0x73, 0x63, 0x68, 0x6e, 0x75, 0x74, 0x69, 0x62, 0x6f, 0x78, 0x2e,
+	0x76, 0x31, 0x2e, 0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x66, 0x79, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x1a, 0x1f, 0x2e, 0x73, 0x63, 0x68, 0x6e, 0x75, 0x74, 0x69, 0x62, 0x6f, 0x78, 0x2e,
+	0x76, 0x31, 0x2e, 0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x66, 0x79, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x1b, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x15, 0x22, 0x10, 0x2f, 0x61, 0x70,
+	0x69, 0x2f, 0x76, 0x31, 0x2f, 0x69, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x66, 0x79, 0x3a, 0x01, 0x2a,
+	0x32, 0xb0, 0x01, 0x0a, 0x0c, 0x54, 0x69, 0x6d, 0x65, 0x72, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63,
+	0x65, 0x12, 0x4e, 0x0a, 0x06, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x12, 0x14, 0x2e, 0x73, 0x63,
+	0x68, 0x6e, 0x75, 0x74, 0x69, 0x62, 0x6f, 0x78, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x69, 0x6d, 0x65,
+	0x72, 0x1a, 0x14, 0x2e, 0x73, 0x63, 0x68, 0x6e, 0x75, 0x74, 0x69, 0x62, 0x6f, 0x78, 0x2e, 0x76,
+	0x31, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x72, 0x22, 0x18, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x12, 0x22,
+	0x0d, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x72, 0x3a, 0x01,
+	0x2a, 0x12, 0x50, 0x0a, 0x03, 0x47, 0x65, 0x74, 0x12, 0x19, 0x2e, 0x73, 0x63, 0x68, 0x6e, 0x75,
+	0x74, 0x69, 0x62, 0x6f, 0x78, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x72, 0x45, 0x6d,
+	0x70, 0x74, 0x79, 0x1a, 0x14, 0x2e, 0x73, 0x63, 0x68, 0x6e, 0x75, 0x74, 0x69, 0x62, 0x6f, 0x78,
+	0x2e, 0x76, 0x31, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x72, 0x22, 0x18, 0x82, 0xd3, 0xe4, 0x93, 0x02,
+	0x12, 0x12, 0x0d, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x72,
+	0x3a, 0x01, 0x2a, 0x42, 0x23, 0x5a, 0x21, 0x67, 0x6f, 0x2e, 0x78, 0x73, 0x66, 0x78, 0x2e, 0x64,
+	0x65, 0x76, 0x2f, 0x73, 0x63, 0x68, 0x6e, 0x75, 0x74, 0x69, 0x62, 0x6f, 0x78, 0x2f, 0x70, 0x6b,
+	0x67, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -161,19 +276,28 @@ func file_schnutibox_proto_rawDescGZIP() []byte {
 	return file_schnutibox_proto_rawDescData
 }
 
-var file_schnutibox_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_schnutibox_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
 var file_schnutibox_proto_goTypes = []interface{}{
-	(*IdentifyRequest)(nil),  // 0: schnutibox.v1.IdentifyRequest
+	(*IdentifyRequest)(nil),   // 0: schnutibox.v1.IdentifyRequest
-	(*IdentifyResponse)(nil), // 1: schnutibox.v1.IdentifyResponse
+	(*IdentifyResponse)(nil),  // 1: schnutibox.v1.IdentifyResponse
+	(*Timer)(nil),             // 2: schnutibox.v1.Timer
+	(*TimerEmpty)(nil),        // 3: schnutibox.v1.TimerEmpty
+	(*duration.Duration)(nil), // 4: google.protobuf.Duration
 }
 var file_schnutibox_proto_depIdxs = []int32{
-	0, // 0: schnutibox.v1.IdentifierService.Identify:input_type -> schnutibox.v1.IdentifyRequest
+	4, // 0: schnutibox.v1.Timer.duration:type_name -> google.protobuf.Duration
-	1, // 1: schnutibox.v1.IdentifierService.Identify:output_type -> schnutibox.v1.IdentifyResponse
+	4, // 1: schnutibox.v1.Timer.current:type_name -> google.protobuf.Duration
-	1, // [1:2] is the sub-list for method output_type
+	0, // 2: schnutibox.v1.IdentifierService.Identify:input_type -> schnutibox.v1.IdentifyRequest
-	0, // [0:1] is the sub-list for method input_type
+	2, // 3: schnutibox.v1.TimerService.Create:input_type -> schnutibox.v1.Timer
-	0, // [0:0] is the sub-list for extension type_name
+	3, // 4: schnutibox.v1.TimerService.Get:input_type -> schnutibox.v1.TimerEmpty
-	0, // [0:0] is the sub-list for extension extendee
+	1, // 5: schnutibox.v1.IdentifierService.Identify:output_type -> schnutibox.v1.IdentifyResponse
-	0, // [0:0] is the sub-list for field type_name
+	2, // 6: schnutibox.v1.TimerService.Create:output_type -> schnutibox.v1.Timer
+	2, // 7: schnutibox.v1.TimerService.Get:output_type -> schnutibox.v1.Timer
+	5, // [5:8] is the sub-list for method output_type
+	2, // [2:5] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
 }
 
 func init() { file_schnutibox_proto_init() }
@@ -206,6 +330,30 @@ func file_schnutibox_proto_init() {
 				return nil
 			}
 		}
+		file_schnutibox_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Timer); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_schnutibox_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TimerEmpty); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -213,9 +361,9 @@ func file_schnutibox_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_schnutibox_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   2,
+			NumMessages:   4,
 			NumExtensions: 0,
-			NumServices:   1,
+			NumServices:   2,
 		},
 		GoTypes:           file_schnutibox_proto_goTypes,
 		DependencyIndexes: file_schnutibox_proto_depIdxs,

pkg/api/v1/schnutibox.pb.gw.go

@@ -65,6 +65,58 @@ func local_request_IdentifierService_Identify_0(ctx context.Context, marshaler r
 
 }
 
+func request_TimerService_Create_0(ctx context.Context, marshaler runtime.Marshaler, client TimerServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq Timer
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.Create(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_TimerService_Create_0(ctx context.Context, marshaler runtime.Marshaler, server TimerServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq Timer
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.Create(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_TimerService_Get_0(ctx context.Context, marshaler runtime.Marshaler, client TimerServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq TimerEmpty
+	var metadata runtime.ServerMetadata
+
+	msg, err := client.Get(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_TimerService_Get_0(ctx context.Context, marshaler runtime.Marshaler, server TimerServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq TimerEmpty
+	var metadata runtime.ServerMetadata
+
+	msg, err := server.Get(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 // RegisterIdentifierServiceHandlerServer registers the http handlers for service IdentifierService to "mux".
 // UnaryRPC     :call IdentifierServiceServer directly.
 // StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
@@ -97,6 +149,61 @@ func RegisterIdentifierServiceHandlerServer(ctx context.Context, mux *runtime.Se
 	return nil
 }
 
+// RegisterTimerServiceHandlerServer registers the http handlers for service TimerService to "mux".
+// UnaryRPC     :call TimerServiceServer directly.
+// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterTimerServiceHandlerFromEndpoint instead.
+func RegisterTimerServiceHandlerServer(ctx context.Context, mux *runtime.ServeMux, server TimerServiceServer) error {
+
+	mux.Handle("POST", pattern_TimerService_Create_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/schnutibox.v1.TimerService/Create")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_TimerService_Create_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_TimerService_Create_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_TimerService_Get_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/schnutibox.v1.TimerService/Get")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_TimerService_Get_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_TimerService_Get_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
 // RegisterIdentifierServiceHandlerFromEndpoint is same as RegisterIdentifierServiceHandler but
 // automatically dials to "endpoint" and closes the connection when "ctx" gets done.
 func RegisterIdentifierServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
@@ -159,9 +266,102 @@ func RegisterIdentifierServiceHandlerClient(ctx context.Context, mux *runtime.Se
 }
 
 var (
-	pattern_IdentifierService_Identify_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1}, []string{"v1", "identify"}, ""))
+	pattern_IdentifierService_Identify_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "identify"}, ""))
 )
 
 var (
 	forward_IdentifierService_Identify_0 = runtime.ForwardResponseMessage
 )
+
+// RegisterTimerServiceHandlerFromEndpoint is same as RegisterTimerServiceHandler but
+// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
+func RegisterTimerServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
+	conn, err := grpc.Dial(endpoint, opts...)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err != nil {
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+			return
+		}
+		go func() {
+			<-ctx.Done()
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+		}()
+	}()
+
+	return RegisterTimerServiceHandler(ctx, mux, conn)
+}
+
+// RegisterTimerServiceHandler registers the http handlers for service TimerService to "mux".
+// The handlers forward requests to the grpc endpoint over "conn".
+func RegisterTimerServiceHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
+	return RegisterTimerServiceHandlerClient(ctx, mux, NewTimerServiceClient(conn))
+}
+
+// RegisterTimerServiceHandlerClient registers the http handlers for service TimerService
+// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "TimerServiceClient".
+// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "TimerServiceClient"
+// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
+// "TimerServiceClient" to call the correct interceptors.
+func RegisterTimerServiceHandlerClient(ctx context.Context, mux *runtime.ServeMux, client TimerServiceClient) error {
+
+	mux.Handle("POST", pattern_TimerService_Create_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req, "/schnutibox.v1.TimerService/Create")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_TimerService_Create_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_TimerService_Create_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_TimerService_Get_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req, "/schnutibox.v1.TimerService/Get")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_TimerService_Get_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_TimerService_Get_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+var (
+	pattern_TimerService_Create_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "timer"}, ""))
+
+	pattern_TimerService_Get_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "timer"}, ""))
+)
+
+var (
+	forward_TimerService_Create_0 = runtime.ForwardResponseMessage
+
+	forward_TimerService_Get_0 = runtime.ForwardResponseMessage
+)

pkg/api/v1/schnutibox_grpc.pb.go

@@ -97,3 +97,123 @@ var IdentifierService_ServiceDesc = grpc.ServiceDesc{
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "schnutibox.proto",
 }
+
+// TimerServiceClient is the client API for TimerService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type TimerServiceClient interface {
+	Create(ctx context.Context, in *Timer, opts ...grpc.CallOption) (*Timer, error)
+	Get(ctx context.Context, in *TimerEmpty, opts ...grpc.CallOption) (*Timer, error)
+}
+
+type timerServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewTimerServiceClient(cc grpc.ClientConnInterface) TimerServiceClient {
+	return &timerServiceClient{cc}
+}
+
+func (c *timerServiceClient) Create(ctx context.Context, in *Timer, opts ...grpc.CallOption) (*Timer, error) {
+	out := new(Timer)
+	err := c.cc.Invoke(ctx, "/schnutibox.v1.TimerService/Create", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *timerServiceClient) Get(ctx context.Context, in *TimerEmpty, opts ...grpc.CallOption) (*Timer, error) {
+	out := new(Timer)
+	err := c.cc.Invoke(ctx, "/schnutibox.v1.TimerService/Get", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// TimerServiceServer is the server API for TimerService service.
+// All implementations should embed UnimplementedTimerServiceServer
+// for forward compatibility
+type TimerServiceServer interface {
+	Create(context.Context, *Timer) (*Timer, error)
+	Get(context.Context, *TimerEmpty) (*Timer, error)
+}
+
+// UnimplementedTimerServiceServer should be embedded to have forward compatible implementations.
+type UnimplementedTimerServiceServer struct {
+}
+
+func (UnimplementedTimerServiceServer) Create(context.Context, *Timer) (*Timer, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Create not implemented")
+}
+func (UnimplementedTimerServiceServer) Get(context.Context, *TimerEmpty) (*Timer, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Get not implemented")
+}
+
+// UnsafeTimerServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to TimerServiceServer will
+// result in compilation errors.
+type UnsafeTimerServiceServer interface {
+	mustEmbedUnimplementedTimerServiceServer()
+}
+
+func RegisterTimerServiceServer(s grpc.ServiceRegistrar, srv TimerServiceServer) {
+	s.RegisterService(&TimerService_ServiceDesc, srv)
+}
+
+func _TimerService_Create_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Timer)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(TimerServiceServer).Create(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/schnutibox.v1.TimerService/Create",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(TimerServiceServer).Create(ctx, req.(*Timer))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _TimerService_Get_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(TimerEmpty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(TimerServiceServer).Get(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/schnutibox.v1.TimerService/Get",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(TimerServiceServer).Get(ctx, req.(*TimerEmpty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// TimerService_ServiceDesc is the grpc.ServiceDesc for TimerService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var TimerService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "schnutibox.v1.TimerService",
+	HandlerType: (*TimerServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Create",
+			Handler:    _TimerService_Create_Handler,
+		},
+		{
+			MethodName: "Get",
+			Handler:    _TimerService_Get_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "schnutibox.proto",
+}

pkg/currentsong/currentsong.go

@@ -0,0 +1,56 @@
+package currentsong
+
+import (
+	"fmt"
+	"net/http"
+
+	"go.xsfx.dev/logginghandler"
+)
+
+var recvs = make(map[chan string]struct{}) // nolint:gochecknoglobals
+
+// Write writes current track to the receivers.
+func Write(track string) {
+	for k := range recvs {
+		k <- track
+	}
+}
+
+func Handler(w http.ResponseWriter, r *http.Request) {
+	logger := logginghandler.Logger(r)
+	logger.Debug().Msg("got a new receiver")
+
+	flusher, ok := w.(http.Flusher)
+	if !ok {
+		logger.Error().Msg("streaming unsupported")
+		http.Error(w, "streaming unsupported", http.StatusInternalServerError)
+
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/event-stream")
+	w.Header().Set("Cache-Control", "no-cache")
+	w.Header().Set("Connection", "keep-alive")
+	// TODO: has to be something else!
+	w.Header().Set("Access-Control-Allow-Origin", "*")
+
+	cChan := make(chan string)
+
+	recvs[cChan] = struct{}{}
+
+	for {
+		select {
+		case e := <-cChan:
+			// Send event to client.
+			fmt.Fprintf(w, "data: %s\n\n", e)
+
+			// Send it right now and not buffering it.
+			flusher.Flush()
+		case <-r.Context().Done():
+			close(cChan)
+			delete(recvs, cChan)
+
+			return
+		}
+	}
+}

pkg/mpc/mpc.go

@@ -0,0 +1,138 @@
+package mpc
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/fhs/gompd/v2/mpd"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+	"go.xsfx.dev/schnutibox/internal/config"
+	"go.xsfx.dev/schnutibox/internal/metrics"
+)
+
+const (
+	timeout     = 5 * time.Second
+	timeoutWait = time.Second / 2
+)
+
+var errTimeout = errors.New("timeout")
+
+func Conn() (*mpd.Client, error) {
+	t := time.NewTimer(timeout)
+
+	for {
+		select {
+		case <-t.C:
+			return nil, errTimeout
+		default:
+			c, err := mpd.Dial("tcp", fmt.Sprintf("%s:%d", config.Cfg.MPD.Hostname, config.Cfg.MPD.Port))
+			if err != nil {
+				log.Error().Err(err).Msg("could not connect")
+
+				time.Sleep(timeoutWait)
+
+				continue
+			}
+
+			if !t.Stop() {
+				go func() {
+					<-t.C
+				}()
+			}
+
+			return c, nil
+		}
+	}
+}
+
+// PlaylistURIS extracts uris from MPD playlist.
+func PlaylistURIS(m *mpd.Client) ([]string, error) {
+	attrs, err := m.PlaylistInfo(-1, -1)
+	if err != nil {
+		return nil, fmt.Errorf("could not get playlist: %w", err)
+	}
+
+	// Stores the tracklist it got from the MPD server.
+	uris := []string{}
+
+	// Builds uri list.
+	for _, a := range attrs {
+		uris = append(uris, a["file"])
+	}
+
+	return uris, nil
+}
+
+func Stop(logger zerolog.Logger) error {
+	logger.Info().Msg("trying to stop playback")
+
+	m, err := Conn()
+	if err != nil {
+		return fmt.Errorf("could not connect: %w", err)
+	}
+
+	// nolint:wrapcheck
+	return m.Stop()
+}
+
+func Clear(logger zerolog.Logger) error {
+	logger.Info().Msg("trying to clear playlist")
+
+	m, err := Conn()
+	if err != nil {
+		return fmt.Errorf("could not connect: %w", err)
+	}
+
+	// nolint:wrapcheck
+	return m.Clear()
+}
+
+func Play(logger zerolog.Logger, rfid string, name string, uris []string) error {
+	logger.Info().Msg("trying to add tracks")
+
+	m, err := Conn()
+	if err != nil {
+		return fmt.Errorf("could not connect: %w", err)
+	}
+
+	// Stop playing track.
+	if err := Stop(logger); err != nil {
+		metrics.BoxErrors.Inc()
+
+		return err
+	}
+
+	// Clear playlist.
+	if err := Clear(logger); err != nil {
+		metrics.BoxErrors.Inc()
+
+		return err
+	}
+
+	// Adding every single uri to playlist
+	for _, i := range uris {
+		logger.Debug().Str("uri", i).Msg("add track")
+
+		if err := m.Add(i); err != nil {
+			metrics.BoxErrors.Inc()
+
+			return fmt.Errorf("could not add track: %w", err)
+		}
+	}
+
+	// Getting playlist uris from MPD server.
+	// This is needed to identify the right metric to use.
+	mpdURIS, err := PlaylistURIS(m)
+	if err != nil {
+		metrics.BoxErrors.Inc()
+
+		return err
+	}
+
+	metrics.NewPlay(rfid, name, mpdURIS)
+
+	// nolint:wrapcheck
+	return m.Play(-1)
+}

pkg/prepare/prepare.go

@@ -33,6 +33,7 @@ const (
 	snapclientGroup    = "snapclient"
 )
 
+// Cfg represents the structured data for the schnutibox config file.
 var Cfg = struct {
 	RFIDReader          string
 	ReadOnly            bool
@@ -63,7 +64,7 @@ func boxService(filename string, enable bool) error {
 		return fmt.Errorf("could not get service file: %w", err)
 	}
 
-	//nolint:gosec
+	//nolint:gosec,gomnd
 	if err := ioutil.WriteFile(filename, schnutiboxService, 0o644); err != nil {
 		return fmt.Errorf("could not write service file: %w", err)
 	}
@@ -105,7 +106,7 @@ func ntp() error {
 		return fmt.Errorf("could not get ntp service file: %w", err)
 	}
 
-	// nolint:gosec
+	// nolint:gosec,gomnd
 	if err := ioutil.WriteFile("/etc/systemd/system/ntp.service", ntpService, 0o644); err != nil {
 		return fmt.Errorf("could not copy ntp service file: %w", err)
 	}
@@ -396,7 +397,7 @@ func cmdlineTxt() error {
 	newLine := strings.TrimSuffix(string(oldLine), "\n") + " " + "fastboot" + " " + "noswap"
 
 	// Write.
-	// nolint:gosec
+	// nolint:gosec,gomnd
 	if err := ioutil.WriteFile("/boot/cmdline.txt", []byte(newLine), 0o644); err != nil {
 		return fmt.Errorf("could not write cmdline.txt: %w", err)
 	}
@@ -469,6 +470,7 @@ func mopidy() error {
 	// Install.
 	cmd = exec.Command(
 		"apt-get", "install", "-y",
+		"libgstreamer-plugins-bad1.0",
 		"mopidy",
 		"mopidy-alsamixer",
 		"mopidy-mpd",
@@ -615,7 +617,7 @@ func upmpdcli() error {
 		return fmt.Errorf("could not get upmpdcli.conf: %w", err)
 	}
 
-	// nolint:gosec
+	// nolint:gosec,gomnd
 	if err := ioutil.WriteFile("/etc/upmpdcli.conf", upmpdcliConf, 0o644); err != nil {
 		return fmt.Errorf("could not copy upmpdcli config: %w", err)
 	}

pkg/rfid/rfid.go

@@ -65,7 +65,7 @@ func (r *RFID) Run() error {
 	}
 
 	go func() {
-		buf := make([]byte, 3)
+		buf := make([]byte, 3) // nolint:gomnd
 
 		rfid := ""
 

pkg/run/run.go

@@ -1,75 +1,16 @@
-//nolint:wrapcheck
 package run
 
 import (
-	"fmt"
-
-	"github.com/fhs/gompd/v2/mpd"
-	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 	"go.xsfx.dev/schnutibox/internal/config"
-	"go.xsfx.dev/schnutibox/internal/metrics"
+	"go.xsfx.dev/schnutibox/pkg/mpc"
 	"go.xsfx.dev/schnutibox/pkg/rfid"
+	"go.xsfx.dev/schnutibox/pkg/watcher"
 	"go.xsfx.dev/schnutibox/pkg/web"
 )
 
-type mpc struct {
-	conn *mpd.Client
-}
-
-func newMpc(conn *mpd.Client) *mpc {
-	return &mpc{conn}
-}
-
-func (m *mpc) stop(logger zerolog.Logger) error {
-	logger.Info().Msg("trying to stop playback")
-
-	return m.conn.Stop()
-}
-
-func (m *mpc) clear(logger zerolog.Logger) error {
-	logger.Info().Msg("trying to clear playlist")
-
-	return m.conn.Clear()
-}
-
-func (m *mpc) play(logger zerolog.Logger, rfid string, name string, uris []string) error {
-	logger.Info().Msg("trying to add tracks")
-
-	// Metric labels.
-	mLabels := []string{rfid, name}
-
-	// Stop playing track.
-	if err := m.stop(logger); err != nil {
-		metrics.BoxErrors.Inc()
-
-		return err
-	}
-
-	// Clear playlist.
-	if err := m.clear(logger); err != nil {
-		metrics.BoxErrors.Inc()
-
-		return err
-	}
-
-	// Adding every single uri to playlist
-	for _, i := range uris {
-		logger.Debug().Str("uri", i).Msg("add track")
-
-		if err := m.conn.Add(i); err != nil {
-			metrics.BoxErrors.Inc()
-
-			return err
-		}
-	}
-
-	metrics.TracksPlayed.WithLabelValues(mLabels...).Inc()
-
-	return m.conn.Play(-1)
-}
-
 func Run(cmd *cobra.Command, args []string) {
 	log.Info().Msg("starting the RFID reader")
 
@@ -77,57 +18,57 @@ func Run(cmd *cobra.Command, args []string) {
 	r := rfid.NewRFID(config.Cfg, idChan)
 
 	if err := r.Run(); err != nil {
-		log.Fatal().Err(err).Msg("could not start RFID reader")
+		if !viper.GetBool("reader.ignore") {
+			log.Fatal().Err(err).Msg("could not start RFID reader")
+		}
+
+		log.Warn().Err(err).Msg("could not start RFID reader. ignoring...")
 	}
 
-	go func() {
+	// Stating watcher.
-		var id string
+	watcher.Run()
 
-		for {
+	// nolint:nestif
-			// Wating for a scanned tag.
+	if !viper.GetBool("reader.ignore") {
-			id = <-idChan
+		go func() {
-			logger := log.With().Str("id", id).Logger()
+			var id string
-			logger.Info().Msg("received id")
 
-			// Create MPD connection on every received event.
+			for {
-			c, err := mpd.Dial("tcp", fmt.Sprintf("%s:%d", config.Cfg.MPD.Hostname, config.Cfg.MPD.Port))
+				// Wating for a scanned tag.
-			if err != nil {
+				id = <-idChan
-				logger.Error().Err(err).Msg("could not connect to MPD server")
+				logger := log.With().Str("id", id).Logger()
+				logger.Info().Msg("received id")
 
-				continue
+				// Check of stop tag was detected.
-			}
+				if id == config.Cfg.Meta.Stop {
+					logger.Info().Msg("stopping")
 
-			m := newMpc(c)
+					if err := mpc.Stop(logger); err != nil {
+						logger.Error().Err(err).Msg("could not stop")
+					}
 
-			// Check of stop tag was detected.
+					if err := mpc.Clear(logger); err != nil {
-			if id == config.Cfg.Meta.Stop {
+						logger.Error().Err(err).Msg("could not clear")
-				logger.Info().Msg("stopping")
+					}
 
-				if err := m.stop(logger); err != nil {
+					continue
-					logger.Error().Err(err).Msg("could not stop")
 				}
 
-				if err := m.clear(logger); err != nil {
+				// Check if there is a track for the ID.
-					logger.Error().Err(err).Msg("could not clear")
+				tracks, ok := config.Cfg.Tracks[id]
+				if !ok {
+					logger.Error().Msg("could not find track for ID")
+
+					continue
 				}
 
-				continue
+				// Try to play track.
+				if err := mpc.Play(logger, id, tracks.Name, tracks.Uris); err != nil {
+					logger.Error().Err(err).Msg("could not play track")
+				}
 			}
-
+		}()
-			// Check if there is a track for the ID.
+	}
-			tracks, ok := config.Cfg.Tracks[id]
-			if !ok {
-				logger.Error().Msg("could not find track for ID")
-
-				continue
-			}
-
-			// Try to play track.
-			if err := m.play(logger, id, tracks.Name, tracks.Uris); err != nil {
-				logger.Error().Err(err).Msg("could not play track")
-			}
-		}
-	}()
 
 	// Running web interface. Blocking.
 	web.Run(cmd, args)

pkg/sselog/sselog.go

@@ -10,6 +10,7 @@ import (
 	"go.xsfx.dev/logginghandler"
 )
 
+// Log is the global sse logger struct.
 var Log *SSELog
 
 type SSELog struct {

pkg/timer/timer.go

@@ -0,0 +1,79 @@
+package timer
+
+import (
+	"context"
+
+	"github.com/golang/protobuf/ptypes/duration"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"go.xsfx.dev/schnutibox/internal/config"
+	"go.xsfx.dev/schnutibox/internal/grpcclient"
+	api "go.xsfx.dev/schnutibox/pkg/api/v1"
+	"go.xsfx.dev/schnutibox/pkg/mpc"
+	"google.golang.org/protobuf/types/known/durationpb"
+)
+
+// T is the global Timer object.
+// nolint:gochecknoglobals
+var T = &Timer{}
+
+type Timer struct {
+	Req *api.Timer
+}
+
+func (t *Timer) Handle() {
+	if t.Req != nil {
+		// Initialize the current object.
+		if t.Req.Current == nil {
+			t.Req.Current = &duration.Duration{}
+			t.Req.Current.Seconds = t.Req.Duration.Seconds
+		}
+
+		switch {
+		// There is some timing going on.
+		case t.Req.Duration.Seconds != 0 && t.Req.Current.Seconds != 0:
+			log.Debug().
+				Int64("current", t.Req.Current.Seconds).
+				Int64("duration", t.Req.Duration.Seconds).
+				Msg("timer is running")
+
+			if t.Req.Current.Seconds > 0 {
+				t.Req.Current.Seconds--
+
+				return
+			}
+
+		// No timer is running... so setting the duration to 0.
+		case t.Req.Current.Seconds == 0 && t.Req.Duration.Seconds != 0:
+			log.Debug().Msg("stoping timer")
+
+			if err := mpc.Stop(log.Logger); err != nil {
+				log.Error().Err(err).Msg("could not stop")
+			}
+
+			t.Req.Duration.Seconds = 0
+		}
+	}
+}
+
+// Run is the command line interface for triggering the timer.
+func Run(cmd *cobra.Command, args []string) {
+	conn, err := grpcclient.Conn(config.Cfg.Web.Hostname, config.Cfg.Web.Port)
+	if err != nil {
+		log.Fatal().Err(err).Msg("could not connect")
+	}
+
+	c := api.NewTimerServiceClient(conn)
+
+	d := durationpb.New(viper.GetDuration("timer.duration"))
+
+	_, err = c.Create(context.Background(), &api.Timer{Duration: d})
+	if err != nil {
+		conn.Close()
+		log.Fatal().Err(err).Msg("could not create timer")
+	}
+
+	conn.Close()
+	log.Info().Msg("added timer")
+}

pkg/watcher/watcher.go

@@ -0,0 +1,75 @@
+package watcher
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/rs/zerolog/log"
+	"go.xsfx.dev/schnutibox/internal/metrics"
+	"go.xsfx.dev/schnutibox/pkg/currentsong"
+	"go.xsfx.dev/schnutibox/pkg/mpc"
+	"go.xsfx.dev/schnutibox/pkg/timer"
+)
+
+const tickerTime = time.Second
+
+// Run runs actions after tickerTime is over, over again and again.
+// Right now its mostly used for setting metrics.
+func Run() {
+	log.Debug().Msg("starting watch")
+
+	ticker := time.NewTicker(tickerTime)
+
+	go func() {
+		for {
+			<-ticker.C
+
+			// Timer.
+			go timer.T.Handle()
+
+			// Metrics.
+			go func() {
+				m, err := mpc.Conn()
+				if err != nil {
+					log.Error().Err(err).Msg("could not connect")
+
+					return
+				}
+
+				uris, err := mpc.PlaylistURIS(m)
+				if err != nil {
+					log.Error().Err(err).Msg("could not get playlist uris")
+					metrics.BoxErrors.Inc()
+
+					return
+				}
+
+				// Gettings MPD state.
+				s, err := m.Status()
+				if err != nil {
+					log.Error().Err(err).Msg("could not get status")
+					metrics.BoxErrors.Inc()
+
+					return
+				}
+
+				currentSong, err := m.CurrentSong()
+				if err != nil {
+					log.Error().Err(err).Msg("could not get current song")
+					metrics.BoxErrors.Inc()
+
+					return
+				}
+
+				if len(currentSong) != 0 {
+					currentsong.Write(fmt.Sprintf("%s - %s", currentSong["Artist"], currentSong["Track"]))
+				} else {
+					currentsong.Write("")
+				}
+
+				// Sets the metrics.
+				metrics.Set(uris, s["state"])
+			}()
+		}
+	}()
+}

pkg/web/timer_test.go

@@ -0,0 +1,45 @@
+package web_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	api "go.xsfx.dev/schnutibox/pkg/api/v1"
+	"go.xsfx.dev/schnutibox/pkg/web"
+	"google.golang.org/protobuf/types/known/durationpb"
+)
+
+func TestTimerService(t *testing.T) {
+	t.Parallel()
+
+	tables := []struct {
+		name     string
+		req      *api.Timer
+		expected *api.Timer
+		err      error
+	}{
+		{
+			"10 seconds",
+			&api.Timer{Duration: &durationpb.Duration{Seconds: 10}},
+			&api.Timer{Duration: &durationpb.Duration{Seconds: 10}},
+			nil,
+		},
+	}
+
+	for _, table := range tables {
+		table := table
+		t.Run(table.name, func(t *testing.T) {
+			t.Parallel()
+			require := require.New(t)
+			ctx := context.Background()
+			timerSvc := web.TimerServer{}
+			resp, err := timerSvc.Create(ctx, &api.Timer{Duration: &durationpb.Duration{Seconds: 10}})
+			if table.err == nil {
+				require.NoError(err)
+			}
+
+			require.Equal(table.expected, resp)
+		})
+	}
+}

pkg/web/web.go

@@ -5,9 +5,11 @@ import (
 	"fmt"
 	"html/template"
 	"net/http"
+	"net/http/pprof"
 	"strings"
 
 	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
+	zerolog "github.com/philip-bui/grpc-zerolog"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
@@ -15,7 +17,9 @@ import (
 	assets "go.xsfx.dev/schnutibox/assets/web"
 	"go.xsfx.dev/schnutibox/internal/config"
 	api "go.xsfx.dev/schnutibox/pkg/api/v1"
+	"go.xsfx.dev/schnutibox/pkg/currentsong"
 	"go.xsfx.dev/schnutibox/pkg/sselog"
+	"go.xsfx.dev/schnutibox/pkg/timer"
 	"golang.org/x/net/http2"
 	"golang.org/x/net/http2/h2c"
 	"google.golang.org/grpc"
@@ -53,11 +57,11 @@ func grpcHandlerFunc(grpcServer *grpc.Server, otherHandler http.Handler) http.Ha
 	}), &http2.Server{})
 }
 
-type server struct{}
+type identifyServer struct{}
 
 // Identify searches in tracks config for entries and returns them.
 // nolint:goerr113
-func (s server) Identify(ctx context.Context, in *api.IdentifyRequest) (*api.IdentifyResponse, error) {
+func (i identifyServer) Identify(ctx context.Context, in *api.IdentifyRequest) (*api.IdentifyResponse, error) {
 	r := &api.IdentifyResponse{}
 
 	if in.Id == "" {
@@ -75,11 +79,34 @@ func (s server) Identify(ctx context.Context, in *api.IdentifyRequest) (*api.Ide
 	return r, nil
 }
 
+type TimerServer struct{}
+
+func (t TimerServer) Create(ctx context.Context, req *api.Timer) (*api.Timer, error) {
+	timer.T.Req = req
+
+	return timer.T.Req, nil
+}
+
+// Get just returns the status of the timer.
+func (t TimerServer) Get(ctx context.Context, req *api.TimerEmpty) (*api.Timer, error) {
+	// Nothing there yet, so return a fresh struct.
+	if timer.T.Req == nil {
+		return &api.Timer{}, nil
+	}
+
+	return timer.T.Req, nil
+}
+
+func currentSong(w http.ResponseWriter, r *http.Request) {}
+
 func gw(s *grpc.Server, conn string) *runtime.ServeMux {
 	ctx := context.Background()
 	gopts := []grpc.DialOption{grpc.WithInsecure()}
 
-	api.RegisterIdentifierServiceServer(s, server{})
+	api.RegisterIdentifierServiceServer(s, identifyServer{})
+	api.RegisterTimerServiceServer(s, TimerServer{})
+
+	// Adds reflections.
 	reflection.Register(s)
 
 	gwmux := runtime.NewServeMux()
@@ -87,28 +114,48 @@ func gw(s *grpc.Server, conn string) *runtime.ServeMux {
 		log.Fatal().Err(err).Msg("could not register grpc endpoint")
 	}
 
+	if err := api.RegisterTimerServiceHandlerFromEndpoint(ctx, gwmux, conn, gopts); err != nil {
+		log.Fatal().Err(err).Msg("could not register grpc endpoint")
+	}
+
 	return gwmux
 }
 
 func Run(command *cobra.Command, args []string) {
 	// Create host string for serving web.
-	lh := fmt.Sprintf("%s:%d", config.Cfg.Box.Hostname, config.Cfg.Box.Port)
+	lh := fmt.Sprintf("%s:%d", config.Cfg.Web.Hostname, config.Cfg.Web.Port)
 
 	// Create grpc server.
-	grpcServer := grpc.NewServer()
+	grpcServer := grpc.NewServer(
+		zerolog.UnaryInterceptor(),
+	)
 
 	// Define http handlers.
 	mux := http.NewServeMux()
-	mux.Handle("/", logginghandler.Handler(http.HandlerFunc(root)))
+
-	mux.Handle("/log", logginghandler.Handler(http.HandlerFunc(sselog.LogHandler)))
+	mux.Handle("/", http.HandlerFunc(root))
+
+	mux.Handle("/log", http.HandlerFunc(sselog.LogHandler))
+	mux.Handle("/currentsong", http.HandlerFunc(currentsong.Handler))
+
 	mux.Handle(
 		"/static/",
-		logginghandler.Handler(
+		http.StripPrefix("/static/", http.FileServer(assets.Files)),
-			http.StripPrefix("/static/", http.FileServer(http.FS(assets.Files))),
-		),
 	)
+
+	mux.Handle(
+		"/swagger-ui/",
+		http.StripPrefix("/swagger-ui/", http.FileServer(assets.SwaggerUI)),
+	)
+
 	mux.Handle("/metrics", promhttp.Handler())
-	mux.Handle("/api/", http.StripPrefix("/api", gw(grpcServer, lh)))
+
+	mux.Handle("/api/", gw(grpcServer, lh))
+
+	// PPROF.
+	if config.Cfg.Debug.PPROF {
+		mux.HandleFunc("/debug/pprof/", pprof.Index)
+	}
 
 	// Serving http.
 	log.Info().Msgf("serving HTTP on %s...", lh)

scripts/build.sh

@@ -1,36 +0,0 @@
-#!/bin/sh
-set -ex
-
-if [ -z "$RASPBIAN_IMAGE" ]; then
-        echo "missing \$RASPBIAN_IMAGE environment variable"
-        exit 1
-fi
-imagePath=$RASPBIAN_IMAGE
-
-# resize partition
-truncate -s +3G "$imagePath"
-parted "$imagePath" resizepart 2 3G
-
-# create loop devices
-bootLoopDevice="$(kpartx -l "$imagePath" | sed -n 1p | awk '{print $1}')"
-systemLoopDevice="$(kpartx -l "$imagePath" | sed -n 2p | awk '{print $1}')"
-
-if [ -z "$bootLoopDevice" ] || [ -z "$systemLoopDevice" ]; then
-        echo "could not extract loop devices"
-        exit 1
-fi
-
-kpartx -avs "$imagePath"
-
-# resize filesystem
-resize2fs "/dev/mapper/${systemLoopDevice}"
-
-# enable ssh
-mkdir -p boot
-mount -o loop "/dev/mapper/${bootLoopDevice}" boot
-touch boot/ssh
-
-# cleaning up
-umount boot
-kpartx -d "$imagePath"
-rm -rf boot

scripts/putio/main.go

@@ -0,0 +1,3 @@
+package main
+
+func main() {}

scripts/rpi-image-test/build.sh

@@ -0,0 +1,54 @@
+#!/bin/sh -eux
+
+set -ex
+
+RASPBIAN_IMAGE=2021-05-07-raspios-buster-armhf-lite.img
+
+# prepare
+# =======
+mkdir /SWAP
+mount -t 9p -o trans=virtio,version=9p2000.L host0 /SWAP
+
+echo "http://dl-cdn.alpinelinux.org/alpine/v3.13/community/" >>/etc/apk/repositories
+apk add aria2 coreutils e2fsprogs-extra parted util-linux multipath-tools
+
+cd /SWAP
+
+aria2c --seed-time=0 https://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2021-05-28/2021-05-07-raspios-buster-armhf-lite.zip.torrent
+unzip 2021-05-07-raspios-buster-armhf-lite.zip
+
+rm 2021-05-07-raspios-buster-armhf-lite.zip*
+
+# building
+# ========
+imagePath=$RASPBIAN_IMAGE
+
+# resize partition
+truncate -s +5G "$imagePath"
+parted "$imagePath" resizepart 2 5G
+
+# create loop devices
+kpartx -avs "$imagePath"
+
+ls -la /dev/mapper
+
+bootLoopDevice="$(find /dev/mapper -name 'loop*p1')"
+systemLoopDevice="$(find /dev/mapper -name 'loop*p2')"
+
+if [ -z "$bootLoopDevice" ] || [ -z "$systemLoopDevice" ]; then
+        echo "could not extract loop devices"
+        exit 1
+fi
+
+# resize filesystem
+resize2fs "$systemLoopDevice"
+
+# enable ssh
+mkdir -p boot
+mount "$bootLoopDevice" boot
+touch boot/ssh
+
+# cleaning up
+umount boot
+kpartx -d "$imagePath"
+rm -rf boot

tools.go

@@ -6,6 +6,7 @@ import (
 	_ "github.com/bufbuild/buf/cmd/buf"
 	_ "github.com/bufbuild/buf/cmd/protoc-gen-buf-breaking"
 	_ "github.com/bufbuild/buf/cmd/protoc-gen-buf-lint"
+	_ "github.com/cosmtrek/air"
 	_ "github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-grpc-gateway"
 	_ "github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2"
 	_ "google.golang.org/grpc/cmd/protoc-gen-go-grpc"

vendor/github.com/cosmtrek/air/.dockerignore

@@ -0,0 +1,3 @@
+bin
+vendor
+tmp

vendor/github.com/cosmtrek/air/.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[Makefile]
+indent_style = tab
+
+[*.go]
+indent_style = tab
+indent_size = 4

vendor/github.com/cosmtrek/air/.gitignore

@@ -0,0 +1,13 @@
+*.o
+*.a
+*.so
+*.test
+*.prof
+*.out
+
+vendor/
+tmp/
+
+# IDE specific files
+.vscode
+.idea

vendor/github.com/cosmtrek/air/.goreleaser.yml

@@ -0,0 +1,16 @@
+builds:
+  - goos:
+      - linux
+      - windows
+      - darwin
+    ignore:
+      - goos: darwin
+        goarch: 386
+    ldflags:
+      - -s -w -X "main.airVersion={{.Version}}"
+      - -s -w -X "main.goVersion={{.Env.GOVERSION}}"
+archives:
+  - id: tar.gz
+    format: tar.gz
+  - id: binary
+    format: binary

vendor/github.com/cosmtrek/air/CHANGELOG.md

@@ -0,0 +1,33 @@
+# Air Changelog
+
+All notable changes to this project will be documented in this file. 
+
+## [1.12.1] 2020-03-21
+
+* add kill_delay [#49](https://github.com/cosmtrek/air/issues/29), credited to [wsnotify](https://github.com/wsnotify)
+* build on Go1.14
+
+## [1.12.0] 2020-01-01
+
+* add stop_on_error [#38](https://github.com/cosmtrek/air/issues/38)
+* add exclude_file [#39](https://github.com/cosmtrek/air/issues/39)
+* add include_dir [#40](https://github.com/cosmtrek/air/issues/40)
+
+## [1.11.1] 2019-11-10
+
+* Update third-party libraries.
+* Fix [#8](https://github.com/cosmtrek/air/issues/8) and [#17](https://github.com/cosmtrek/air/issues/17) that logs display incorrectly.
+* support customizing binary in config [#28](https://github.com/cosmtrek/air/issues/28).
+* Support deleting tmp dir on exit [20](https://github.com/cosmtrek/air/issues/20).
+
+## [1.10] 2018-12-30
+
+* Fix some panics when unexpected things happened.
+* Fix the issue [#8](https://github.com/cosmtrek/air/issues/8) that server log color was overridden. This feature only works on Linux and macOS.
+* Fix the issue [#15](https://github.com/cosmtrek/air/issues/15) that favoring defaults if not in the config file.
+* Require Go 1.11+ and adopt `go mod` to manage dependencies.
+* Rewrite the config file comment.
+* Update the demo picture.
+
+P.S. 
+Bump version to 1.10 to celebrate the date(2018.01.10) that I fall in love with my girlfriend. Besides, today is also my girlfriend's birthday. Happy birthday to my girlfriend, Bay! 

vendor/github.com/cosmtrek/air/Dockerfile

@@ -0,0 +1,12 @@
+FROM golang:1.16
+
+MAINTAINER Rick Yu <cosmtrek@gmail.com>
+
+ENV GOPATH /go
+ENV GO111MODULE on
+
+COPY . /go/src/github.com/cosmtrek/air
+WORKDIR /go/src/github.com/cosmtrek/air
+RUN make ci && make install
+
+ENTRYPOINT ["/go/bin/air"]

vendor/github.com/cosmtrek/air/LICENSE

@@ -0,0 +1,675 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    {one line to give the program's name and a brief idea of what it does.}
+    Copyright (C) {year}  {name of author}
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    {project}  Copyright (C) {year}  {fullname}
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+

vendor/github.com/cosmtrek/air/Makefile

@@ -0,0 +1,49 @@
+AIRVER := $(shell git describe --tags)
+LDFLAGS += -X "main.BuildTimestamp=$(shell date -u "+%Y-%m-%d %H:%M:%S")"
+LDFLAGS += -X "main.airVersion=$(AIRVER)"
+LDFLAGS += -X "main.goVersion=$(shell go version | sed -r 's/go version go(.*)\ .*/\1/')"
+
+GO := GO111MODULE=on go
+
+.PHONY: init
+init:
+	go get -u golang.org/x/lint/golint
+	go get -u golang.org/x/tools/cmd/goimports
+	@echo "Install pre-commit hook"
+	@ln -s $(shell pwd)/hooks/pre-commit $(shell pwd)/.git/hooks/pre-commit || true
+	@chmod +x ./hack/check.sh
+
+.PHONY: setup
+setup: init
+	git init
+
+.PHONY: check
+check:
+	@./hack/check.sh ${scope}
+
+.PHONY: ci
+ci: init
+	@$(GO) mod tidy && $(GO) mod vendor
+
+.PHONY: build
+build: check
+	$(GO) build -ldflags '$(LDFLAGS)'
+
+.PHONY: install
+install: check
+	@echo "Installing air..."
+	@$(GO) install -ldflags '$(LDFLAGS)'
+
+.PHONY: release
+release: check
+	GOOS=darwin GOARCH=amd64 $(GO) build -ldflags '$(LDFLAGS)' -o bin/darwin/air
+	GOOS=linux GOARCH=amd64 $(GO) build -ldflags '$(LDFLAGS)' -o bin/linux/air
+	GOOS=windows GOARCH=amd64 $(GO) build -ldflags '$(LDFLAGS)' -o bin/windows/air.exe
+
+.PHONY: docker-image
+docker-image:
+	docker build -t cosmtrek/air:$(AIRVER) -f ./Dockerfile .
+
+.PHONY: push-docker-image
+push-docker-image:
+	docker push cosmtrek/air:$(AIRVER)

vendor/github.com/cosmtrek/air/README.md

@@ -0,0 +1,136 @@
+# Air [![Go](https://github.com/cosmtrek/air/workflows/Go/badge.svg)](https://github.com/cosmtrek/air/actions?query=workflow%3AGo+branch%3Amaster) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/4885b8dddaa540f9ae6fe850b4611b7b)](https://www.codacy.com/app/cosmtrek/air?utm_source=github.com&utm_medium=referral&utm_content=cosmtrek/air&utm_campaign=Badge_Grade) [![Go Report Card](https://goreportcard.com/badge/github.com/cosmtrek/air)](https://goreportcard.com/report/github.com/cosmtrek/air) [![codecov](https://codecov.io/gh/cosmtrek/air/branch/master/graph/badge.svg)](https://codecov.io/gh/cosmtrek/air)
+
+:cloud: Live reload for Go apps
+
+![air](docs/air.png)
+
+## Motivation
+
+When I get started with developing websites in Go and [gin](https://github.com/gin-gonic/gin) framework, it's a pity
+that gin lacks live-reloading function. In fact, I tried [fresh](https://github.com/pilu/fresh) and it seems not much
+flexible, so I intended to rewrite it in a better way. Finally, Air's born.
+In addition, great thanks to [pilu](https://github.com/pilu), no fresh, no air :)
+
+Air is yet another live-reloading command line utility for Go applications in development. Just `air` in your project root directory, leave it alone,
+and focus on your code.
+
+NOTE: This tool has nothing to do with hot-deploy for production.
+
+## Features
+
+* Colorful log output
+* Customize build or binary command
+* Support excluding subdirectories
+* Allow watching new directories after Air started
+* Better building process
+
+## Installation
+
+### Prefer install.sh
+
+```bash
+# binary will be $(go env GOPATH)/bin/air
+curl -sSfL https://raw.githubusercontent.com/cosmtrek/air/master/install.sh | sh -s -- -b $(go env GOPATH)/bin
+
+# or install it into ./bin/
+curl -sSfL https://raw.githubusercontent.com/cosmtrek/air/master/install.sh | sh -s
+
+air -v
+```
+
+P.S. Great thanks mattn's [PR](https://github.com/cosmtrek/air/pull/1) for supporting Windows platform.
+
+### Docker
+
+Please pull this docker image [cosmtrek/air](https://hub.docker.com/r/cosmtrek/air).
+
+```bash
+docker run -it --rm \
+    -w "<PROJECT>" \
+    -e "air_wd=<PROJECT>" \
+    -v $(pwd):<PROJECT> \
+    -p <PORT>:<APP SERVER PORT> \
+    cosmtrek/air
+    -c <CONF>
+```
+
+For example, one of my project runs in docker:
+
+```bash
+docker run -it --rm \
+    -w "/go/src/github.com/cosmtrek/hub" \
+    -v $(pwd):/go/src/github.com/cosmtrek/hub \
+    -p 9090:9090 \
+    cosmtrek/air
+```
+
+## Usage
+
+For less typing, you could add `alias air='~/.air'` to your `.bashrc` or `.zshrc`.
+
+First enter into your project
+
+```bash
+cd /path/to/your_project
+```
+
+The simplest usage is run
+
+```bash
+# firstly find `.air.toml` in current directory, if not found, use defaults
+air -c .air.toml
+```
+
+You can initialize the `.air.toml` configuration file to the current directory with the default settings running the following command.
+
+```bash
+air init
+```
+
+After this you can just run the `air` command without additional arguments and it will use the `.air.toml` file for configuration.
+
+```bash
+air
+```
+
+For modifying the configuration refer to the [air_example.toml](air_example.toml) file.
+
+### Debug
+
+`air -d` prints all logs.
+
+## Development
+
+Please note that it requires Go 1.13+ since I use `go mod` to manage dependencies.
+
+```bash
+# 1. fork this project
+
+# 2. clone it
+mkdir -p $GOPATH/src/github.com/cosmtrek
+cd $GOPATH/src/github.com/cosmtrek
+git clone git@github.com:<YOUR USERNAME>/air.git
+
+# 3. install dependencies
+cd air
+make ci
+
+# 4. explore it and happy hacking!
+make install
+```
+
+BTW: Pull requests are welcome~
+
+## Sponsor
+
+<a href="https://www.buymeacoffee.com/36lcNbW" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/default-orange.png" alt="Buy Me A Coffee" style="height: 51px !important;width: 217px !important;" ></a>
+
+Huge thanks to the following supporters. I've always been remembering your kindness.
+
+* Peter Aba
+* Apostolis Anastasiou
+* keita koga
+
+## License
+
+[GNU General Public License v3.0](LICENSE)

vendor/github.com/cosmtrek/air/air_example.toml

@@ -0,0 +1,53 @@
+# Config file for [Air](https://github.com/cosmtrek/air) in TOML format
+
+# Working directory
+# . or absolute path, please note that the directories following must be under root.
+root = "."
+tmp_dir = "tmp"
+
+[build]
+# Just plain old shell command. You could use `make` as well.
+cmd = "go build -o ./tmp/main ."
+# Binary file yields from `cmd`.
+bin = "tmp/main"
+# Customize binary.
+full_bin = "APP_ENV=dev APP_USER=air ./tmp/main"
+# Watch these filename extensions.
+include_ext = ["go", "tpl", "tmpl", "html"]
+# Ignore these filename extensions or directories.
+exclude_dir = ["assets", "tmp", "vendor", "frontend/node_modules"]
+# Watch these directories if you specified.
+include_dir = []
+# Exclude files.
+exclude_file = []
+# Exclude specific regular expressions.
+exclude_regex = []
+# Exclude unchanged files.
+exclude_unchanged = true
+# Follow symlink for directories
+follow_symlink = true
+# This log file places in your tmp_dir.
+log = "air.log"
+# It's not necessary to trigger build each time file changes if it's too frequent.
+delay = 1000 # ms
+# Stop running old binary when build errors occur.
+stop_on_error = true
+# Send Interrupt signal before killing process (windows does not support this feature)
+send_interrupt = false
+# Delay after sending Interrupt signal
+kill_delay = 500 # ms
+
+[log]
+# Show log time
+time = false
+
+[color]
+# Customize each part's color. If no color found, use the raw app log.
+main = "magenta"
+watcher = "cyan"
+build = "yellow"
+runner = "green"
+
+[misc]
+# Delete tmp directory on exit
+clean_on_exit = true

vendor/github.com/cosmtrek/air/go.mod

@@ -0,0 +1,11 @@
+module github.com/cosmtrek/air
+
+go 1.16
+
+require (
+	github.com/creack/pty v1.1.11
+	github.com/fatih/color v1.10.0
+	github.com/fsnotify/fsnotify v1.4.9
+	github.com/imdario/mergo v0.3.12
+	github.com/pelletier/go-toml v1.8.1
+)

vendor/github.com/cosmtrek/air/go.sum

@@ -0,0 +1,23 @@
+github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw=
+github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.10.0 h1:s36xzo75JdqLaaWoiEHk767eHiwo0598uUxyfiPkDsg=
+github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
+github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
+github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
+github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/pelletier/go-toml v1.8.1 h1:1Nf83orprkJyknT6h7zbuEGUEjcyVlCxSUGTENmNCRM=
+github.com/pelletier/go-toml v1.8.1/go.mod h1:T2/BmBdy8dvIRq1a/8aqjN41wvWlN4lrapLU/GW4pbc=
+golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae h1:/WDfKMnPU+m5M4xB+6x4kaepxRw6jWvR5iDRdvjHgy8=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

vendor/github.com/cosmtrek/air/install.sh

@@ -0,0 +1,375 @@
+#!/bin/sh
+set -e
+# Code generated by godownloader on 2020-08-12T16:16:22Z. DO NOT EDIT.
+#
+
+usage() {
+  this=$1
+  cat <<EOF
+$this: download go binaries for cosmtrek/air
+
+Usage: $this [-b] bindir [-d] [tag]
+  -b sets bindir or installation directory, Defaults to ./bin
+  -d turns on debug logging
+   [tag] is a tag from
+   https://github.com/cosmtrek/air/releases
+   If tag is missing, then the latest will be used.
+
+ Generated by godownloader
+  https://github.com/goreleaser/godownloader
+
+EOF
+  exit 2
+}
+
+parse_args() {
+  #BINDIR is ./bin unless set be ENV
+  # over-ridden by flag below
+
+  BINDIR=${BINDIR:-./bin}
+  while getopts "b:dh?x" arg; do
+    case "$arg" in
+      b) BINDIR="$OPTARG" ;;
+      d) log_set_priority 10 ;;
+      h | \?) usage "$0" ;;
+      x) set -x ;;
+    esac
+  done
+  shift $((OPTIND - 1))
+  TAG=$1
+}
+# this function wraps all the destructive operations
+# if a curl|bash cuts off the end of the script due to
+# network, either nothing will happen or will syntax error
+# out preventing half-done work
+execute() {
+  tmpdir=$(mktemp -d)
+  log_debug "downloading files into ${tmpdir}"
+  http_download "${tmpdir}/${TARBALL}" "${TARBALL_URL}"
+  http_download "${tmpdir}/${CHECKSUM}" "${CHECKSUM_URL}"
+  hash_sha256_verify "${tmpdir}/${TARBALL}" "${tmpdir}/${CHECKSUM}"
+  srcdir="${tmpdir}"
+  (cd "${tmpdir}" && untar "${TARBALL}")
+  test ! -d "${BINDIR}" && install -d "${BINDIR}"
+  for binexe in $BINARIES; do
+    if [ "$OS" = "windows" ]; then
+      binexe="${binexe}.exe"
+    fi
+    install "${srcdir}/${binexe}" "${BINDIR}/"
+    log_info "installed ${BINDIR}/${binexe}"
+  done
+  rm -rf "${tmpdir}"
+}
+get_binaries() {
+  case "$PLATFORM" in
+    darwin/amd64) BINARIES="air" ;;
+    darwin/arm64) BINARIES="air" ;;
+    linux/386) BINARIES="air" ;;
+    linux/amd64) BINARIES="air" ;;
+    windows/386) BINARIES="air" ;;
+    windows/amd64) BINARIES="air" ;;
+    *)
+      log_crit "platform $PLATFORM is not supported.  Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
+      exit 1
+      ;;
+  esac
+}
+tag_to_version() {
+  if [ -z "${TAG}" ]; then
+    log_info "checking GitHub for latest tag"
+  else
+    log_info "checking GitHub for tag '${TAG}'"
+  fi
+  REALTAG=$(github_release "$OWNER/$REPO" "${TAG}") && true
+  if test -z "$REALTAG"; then
+    log_crit "unable to find '${TAG}' - use 'latest' or see https://github.com/${PREFIX}/releases for details"
+    exit 1
+  fi
+  # if version starts with 'v', remove it
+  TAG="$REALTAG"
+  VERSION=${TAG#v}
+}
+adjust_format() {
+  # change format (tar.gz or zip) based on OS
+  true
+}
+adjust_os() {
+  # adjust archive name based on OS
+  true
+}
+adjust_arch() {
+  # adjust archive name based on ARCH
+  true
+}
+
+cat /dev/null <<EOF
+------------------------------------------------------------------------
+https://github.com/client9/shlib - portable posix shell functions
+Public domain - http://unlicense.org
+https://github.com/client9/shlib/blob/master/LICENSE.md
+but credit (and pull requests) appreciated.
+------------------------------------------------------------------------
+EOF
+is_command() {
+  command -v "$1" >/dev/null
+}
+echoerr() {
+  echo "$@" 1>&2
+}
+log_prefix() {
+  echo "$0"
+}
+_logp=6
+log_set_priority() {
+  _logp="$1"
+}
+log_priority() {
+  if test -z "$1"; then
+    echo "$_logp"
+    return
+  fi
+  [ "$1" -le "$_logp" ]
+}
+log_tag() {
+  case $1 in
+    0) echo "emerg" ;;
+    1) echo "alert" ;;
+    2) echo "crit" ;;
+    3) echo "err" ;;
+    4) echo "warning" ;;
+    5) echo "notice" ;;
+    6) echo "info" ;;
+    7) echo "debug" ;;
+    *) echo "$1" ;;
+  esac
+}
+log_debug() {
+  log_priority 7 || return 0
+  echoerr "$(log_prefix)" "$(log_tag 7)" "$@"
+}
+log_info() {
+  log_priority 6 || return 0
+  echoerr "$(log_prefix)" "$(log_tag 6)" "$@"
+}
+log_err() {
+  log_priority 3 || return 0
+  echoerr "$(log_prefix)" "$(log_tag 3)" "$@"
+}
+log_crit() {
+  log_priority 2 || return 0
+  echoerr "$(log_prefix)" "$(log_tag 2)" "$@"
+}
+uname_os() {
+  os=$(uname -s | tr '[:upper:]' '[:lower:]')
+  case "$os" in
+    cygwin_nt*) os="windows" ;;
+    mingw*) os="windows" ;;
+    msys_nt*) os="windows" ;;
+  esac
+  echo "$os"
+}
+uname_arch() {
+  arch=$(uname -m)
+  case $arch in
+    x86_64) arch="amd64" ;;
+    x86) arch="386" ;;
+    i686) arch="386" ;;
+    i386) arch="386" ;;
+    aarch64) arch="arm64" ;;
+    armv5*) arch="armv5" ;;
+    armv6*) arch="armv6" ;;
+    armv7*) arch="armv7" ;;
+  esac
+  echo ${arch}
+}
+uname_os_check() {
+  os=$(uname_os)
+  case "$os" in
+    darwin) return 0 ;;
+    dragonfly) return 0 ;;
+    freebsd) return 0 ;;
+    linux) return 0 ;;
+    android) return 0 ;;
+    nacl) return 0 ;;
+    netbsd) return 0 ;;
+    openbsd) return 0 ;;
+    plan9) return 0 ;;
+    solaris) return 0 ;;
+    windows) return 0 ;;
+  esac
+  log_crit "uname_os_check '$(uname -s)' got converted to '$os' which is not a GOOS value. Please file bug at https://github.com/client9/shlib"
+  return 1
+}
+uname_arch_check() {
+  arch=$(uname_arch)
+  case "$arch" in
+    386) return 0 ;;
+    amd64) return 0 ;;
+    arm64) return 0 ;;
+    armv5) return 0 ;;
+    armv6) return 0 ;;
+    armv7) return 0 ;;
+    ppc64) return 0 ;;
+    ppc64le) return 0 ;;
+    mips) return 0 ;;
+    mipsle) return 0 ;;
+    mips64) return 0 ;;
+    mips64le) return 0 ;;
+    s390x) return 0 ;;
+    amd64p32) return 0 ;;
+  esac
+  log_crit "uname_arch_check '$(uname -m)' got converted to '$arch' which is not a GOARCH value.  Please file bug report at https://github.com/client9/shlib"
+  return 1
+}
+untar() {
+  tarball=$1
+  case "${tarball}" in
+    *.tar.gz | *.tgz) tar --no-same-owner -xzf "${tarball}" ;;
+    *.tar) tar --no-same-owner -xf "${tarball}" ;;
+    *.zip) unzip "${tarball}" ;;
+    *)
+      log_err "untar unknown archive format for ${tarball}"
+      return 1
+      ;;
+  esac
+}
+http_download_curl() {
+  local_file=$1
+  source_url=$2
+  header=$3
+  if [ -z "$header" ]; then
+    code=$(curl -w '%{http_code}' -sL -o "$local_file" "$source_url")
+  else
+    code=$(curl -w '%{http_code}' -sL -H "$header" -o "$local_file" "$source_url")
+  fi
+  if [ "$code" != "200" ]; then
+    log_debug "http_download_curl received HTTP status $code"
+    return 1
+  fi
+  return 0
+}
+http_download_wget() {
+  local_file=$1
+  source_url=$2
+  header=$3
+  if [ -z "$header" ]; then
+    wget -q -O "$local_file" "$source_url"
+  else
+    wget -q --header "$header" -O "$local_file" "$source_url"
+  fi
+}
+http_download() {
+  log_debug "http_download $2"
+  if is_command curl; then
+    http_download_curl "$@"
+    return
+  elif is_command wget; then
+    http_download_wget "$@"
+    return
+  fi
+  log_crit "http_download unable to find wget or curl"
+  return 1
+}
+http_copy() {
+  tmp=$(mktemp)
+  http_download "${tmp}" "$1" "$2" || return 1
+  body=$(cat "$tmp")
+  rm -f "${tmp}"
+  echo "$body"
+}
+github_release() {
+  owner_repo=$1
+  version=$2
+  test -z "$version" && version="latest"
+  giturl="https://github.com/${owner_repo}/releases/${version}"
+  json=$(http_copy "$giturl" "Accept:application/json")
+  test -z "$json" && return 1
+  version=$(echo "$json" | tr -s '\n' ' ' | sed 's/.*"tag_name":"//' | sed 's/".*//')
+  test -z "$version" && return 1
+  echo "$version"
+}
+hash_sha256() {
+  TARGET=${1:-/dev/stdin}
+  if is_command gsha256sum; then
+    hash=$(gsha256sum "$TARGET") || return 1
+    echo "$hash" | cut -d ' ' -f 1
+  elif is_command sha256sum; then
+    hash=$(sha256sum "$TARGET") || return 1
+    echo "$hash" | cut -d ' ' -f 1
+  elif is_command shasum; then
+    hash=$(shasum -a 256 "$TARGET" 2>/dev/null) || return 1
+    echo "$hash" | cut -d ' ' -f 1
+  elif is_command openssl; then
+    hash=$(openssl -dst openssl dgst -sha256 "$TARGET") || return 1
+    echo "$hash" | cut -d ' ' -f a
+  else
+    log_crit "hash_sha256 unable to find command to compute sha-256 hash"
+    return 1
+  fi
+}
+hash_sha256_verify() {
+  TARGET=$1
+  checksums=$2
+  if [ -z "$checksums" ]; then
+    log_err "hash_sha256_verify checksum file not specified in arg2"
+    return 1
+  fi
+  BASENAME=${TARGET##*/}
+  want=$(grep "${BASENAME}" "${checksums}" 2>/dev/null | tr '\t' ' ' | cut -d ' ' -f 1)
+  if [ -z "$want" ]; then
+    log_err "hash_sha256_verify unable to find checksum for '${TARGET}' in '${checksums}'"
+    return 1
+  fi
+  got=$(hash_sha256 "$TARGET")
+  if [ "$want" != "$got" ]; then
+    log_err "hash_sha256_verify checksum for '$TARGET' did not verify ${want} vs $got"
+    return 1
+  fi
+}
+cat /dev/null <<EOF
+------------------------------------------------------------------------
+End of functions from https://github.com/client9/shlib
+------------------------------------------------------------------------
+EOF
+
+PROJECT_NAME="air"
+OWNER=cosmtrek
+REPO="air"
+BINARY=air
+FORMAT=tar.gz
+OS=$(uname_os)
+ARCH=$(uname_arch)
+PREFIX="$OWNER/$REPO"
+
+# use in logging routines
+log_prefix() {
+	echo "$PREFIX"
+}
+PLATFORM="${OS}/${ARCH}"
+GITHUB_DOWNLOAD=https://github.com/${OWNER}/${REPO}/releases/download
+
+uname_os_check "$OS"
+uname_arch_check "$ARCH"
+
+parse_args "$@"
+
+get_binaries
+
+tag_to_version
+
+adjust_format
+
+adjust_os
+
+adjust_arch
+
+log_info "found version: ${VERSION} for ${TAG}/${OS}/${ARCH}"
+
+NAME=${PROJECT_NAME}_${VERSION}_${OS}_${ARCH}
+TARBALL=${NAME}.${FORMAT}
+TARBALL_URL=${GITHUB_DOWNLOAD}/${TAG}/${TARBALL}
+CHECKSUM=${PROJECT_NAME}_${VERSION}_checksums.txt
+CHECKSUM_URL=${GITHUB_DOWNLOAD}/${TAG}/${CHECKSUM}
+
+
+execute

vendor/github.com/cosmtrek/air/main.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/cosmtrek/air/runner"
+)
+
+var (
+	cfgPath     string
+	debugMode   bool
+	showVersion bool
+)
+
+func helpMessage() {
+	fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s:\n\n", os.Args[0])
+	fmt.Printf("If no command is provided %s will start the runner with the provided flags\n\n", os.Args[0])
+	fmt.Println("Commands:")
+	fmt.Print("  init	creates a .air.toml file with default settings to the current directory\n\n")
+
+	fmt.Println("Flags:")
+	flag.PrintDefaults()
+}
+
+func init() {
+	flag.Usage = helpMessage
+	flag.StringVar(&cfgPath, "c", "", "config path")
+	flag.BoolVar(&debugMode, "d", false, "debug mode")
+	flag.BoolVar(&showVersion, "v", false, "show version")
+	flag.Parse()
+}
+
+func main() {
+	fmt.Printf(`
+  __    _   ___  
+ / /\  | | | |_) 
+/_/--\ |_| |_| \_ %s, built with Go %s
+
+`, airVersion, goVersion)
+
+	if showVersion {
+		return
+	}
+
+	if debugMode {
+		fmt.Println("[debug] mode")
+	}
+
+	sigs := make(chan os.Signal, 1)
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+
+	var err error
+	r, err := runner.NewEngine(cfgPath, debugMode)
+	if err != nil {
+		log.Fatal(err)
+		return
+	}
+	go func() {
+		<-sigs
+		r.Stop()
+	}()
+
+	defer func() {
+		if e := recover(); e != nil {
+			log.Fatalf("PANIC: %+v", e)
+		}
+	}()
+
+	r.Run()
+}

vendor/github.com/cosmtrek/air/runner/common.go

@@ -0,0 +1,6 @@
+package runner
+
+const (
+	//PlatformWindows const for windows
+	PlatformWindows = "windows"
+)

vendor/github.com/cosmtrek/air/runner/config.go

@@ -0,0 +1,292 @@
+package runner
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+	"regexp"
+	"runtime"
+	"time"
+
+	"github.com/imdario/mergo"
+	"github.com/pelletier/go-toml"
+)
+
+const (
+	dftTOML = ".air.toml"
+	dftConf = ".air.conf"
+	airWd   = "air_wd"
+)
+
+type config struct {
+	Root   string   `toml:"root"`
+	TmpDir string   `toml:"tmp_dir"`
+	Build  cfgBuild `toml:"build"`
+	Color  cfgColor `toml:"color"`
+	Log    cfgLog   `toml:"log"`
+	Misc   cfgMisc  `toml:"misc"`
+}
+
+type cfgBuild struct {
+	Cmd              string        `toml:"cmd"`
+	Bin              string        `toml:"bin"`
+	FullBin          string        `toml:"full_bin"`
+	Log              string        `toml:"log"`
+	IncludeExt       []string      `toml:"include_ext"`
+	ExcludeDir       []string      `toml:"exclude_dir"`
+	IncludeDir       []string      `toml:"include_dir"`
+	ExcludeFile      []string      `toml:"exclude_file"`
+	ExcludeRegex     []string      `toml:"exclude_regex"`
+	ExcludeUnchanged bool          `toml:"exclude_unchanged"`
+	FollowSymlink    bool          `toml:"follow_symlink"`
+	Delay            int           `toml:"delay"`
+	StopOnError      bool          `toml:"stop_on_error"`
+	SendInterrupt    bool          `toml:"send_interrupt"`
+	KillDelay        time.Duration `toml:"kill_delay"`
+	regexCompiled    []*regexp.Regexp
+}
+
+func (c *cfgBuild) RegexCompiled() ([]*regexp.Regexp, error) {
+	if len(c.ExcludeRegex) > 0 && len(c.regexCompiled) == 0 {
+		c.regexCompiled = make([]*regexp.Regexp, 0, len(c.ExcludeRegex))
+		for _, s := range c.ExcludeRegex {
+			re, err := regexp.Compile(s)
+			if err != nil {
+				return nil, err
+			}
+			c.regexCompiled = append(c.regexCompiled, re)
+		}
+	}
+	return c.regexCompiled, nil
+}
+
+type cfgLog struct {
+	AddTime bool `toml:"time"`
+}
+
+type cfgColor struct {
+	Main    string `toml:"main"`
+	Watcher string `toml:"watcher"`
+	Build   string `toml:"build"`
+	Runner  string `toml:"runner"`
+	App     string `toml:"app"`
+}
+
+type cfgMisc struct {
+	CleanOnExit bool `toml:"clean_on_exit"`
+}
+
+func initConfig(path string) (cfg *config, err error) {
+	if path == "" {
+		cfg, err = defaultPathConfig()
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		cfg, err = readConfigOrDefault(path)
+		if err != nil {
+			return nil, err
+		}
+	}
+	err = mergo.Merge(cfg, defaultConfig())
+	if err != nil {
+		return nil, err
+	}
+	err = cfg.preprocess()
+	return cfg, err
+}
+
+func writeDefaultConfig() {
+	confFiles := []string{dftTOML, dftConf}
+
+	for _, fname := range confFiles {
+		fstat, err := os.Stat(fname)
+		if err != nil && !os.IsNotExist(err) {
+			log.Fatal("failed to check for existing configuration")
+			return
+		}
+		if err == nil && fstat != nil {
+			log.Fatal("configuration already exists")
+			return
+		}
+	}
+
+	file, err := os.Create(dftTOML)
+	if err != nil {
+		log.Fatalf("failed to create a new confiuration: %+v", err)
+	}
+	defer file.Close()
+
+	config := defaultConfig()
+	configFile, err := toml.Marshal(config)
+	if err != nil {
+		log.Fatalf("failed to marshal the default configuration: %+v", err)
+	}
+
+	_, err = file.Write(configFile)
+	if err != nil {
+		log.Fatalf("failed to write to %s: %+v", dftTOML, err)
+	}
+
+	fmt.Printf("%s file created to the current directory with the default settings\n", dftTOML)
+}
+
+func defaultPathConfig() (*config, error) {
+	// when path is blank, first find `.air.toml`, `.air.conf` in `air_wd` and current working directory, if not found, use defaults
+	for _, name := range []string{dftTOML, dftConf} {
+		cfg, err := readConfByName(name)
+		if err == nil {
+			if name == dftConf {
+				fmt.Println("`.air.conf` will be deprecated soon, recommend using `.air.toml`.")
+			}
+			return cfg, nil
+		}
+	}
+
+	dftCfg := defaultConfig()
+	return &dftCfg, nil
+}
+
+func readConfByName(name string) (*config, error) {
+	var path string
+	if wd := os.Getenv(airWd); wd != "" {
+		path = filepath.Join(wd, name)
+	} else {
+		wd, err := os.Getwd()
+		if err != nil {
+			return nil, err
+		}
+		path = filepath.Join(wd, name)
+	}
+	cfg, err := readConfig(path)
+	return cfg, err
+}
+
+func defaultConfig() config {
+	build := cfgBuild{
+		Cmd:         "go build -o ./tmp/main .",
+		Bin:         "./tmp/main",
+		Log:         "build-errors.log",
+		IncludeExt:  []string{"go", "tpl", "tmpl", "html"},
+		ExcludeDir:  []string{"assets", "tmp", "vendor"},
+		Delay:       1000,
+		StopOnError: true,
+	}
+	if runtime.GOOS == PlatformWindows {
+		build.Bin = `tmp\main.exe`
+		build.Cmd = "go build -o ./tmp/main.exe ."
+	}
+	log := cfgLog{
+		AddTime: false,
+	}
+	color := cfgColor{
+		Main:    "magenta",
+		Watcher: "cyan",
+		Build:   "yellow",
+		Runner:  "green",
+	}
+	misc := cfgMisc{
+		CleanOnExit: false,
+	}
+	return config{
+		Root:   ".",
+		TmpDir: "tmp",
+		Build:  build,
+		Color:  color,
+		Log:    log,
+		Misc:   misc,
+	}
+}
+
+func readConfig(path string) (*config, error) {
+	data, err := ioutil.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+
+	cfg := new(config)
+	if err = toml.Unmarshal(data, cfg); err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
+}
+
+func readConfigOrDefault(path string) (*config, error) {
+	dftCfg := defaultConfig()
+	cfg, err := readConfig(path)
+	if err != nil {
+		return &dftCfg, err
+	}
+
+	return cfg, nil
+}
+
+func (c *config) preprocess() error {
+	var err error
+	cwd := os.Getenv(airWd)
+	if cwd != "" {
+		if err = os.Chdir(cwd); err != nil {
+			return err
+		}
+		c.Root = cwd
+	}
+	c.Root, err = expandPath(c.Root)
+	if c.TmpDir == "" {
+		c.TmpDir = "tmp"
+	}
+	if err != nil {
+		return err
+	}
+	ed := c.Build.ExcludeDir
+	for i := range ed {
+		ed[i] = cleanPath(ed[i])
+	}
+
+	adaptToVariousPlatforms(c)
+
+	c.Build.ExcludeDir = ed
+	if len(c.Build.FullBin) > 0 {
+		c.Build.Bin = c.Build.FullBin
+		return err
+	}
+	// Fix windows CMD processor
+	// CMD will not recognize relative path like ./tmp/server
+	c.Build.Bin, err = filepath.Abs(c.Build.Bin)
+	return err
+}
+
+func (c *config) colorInfo() map[string]string {
+	return map[string]string{
+		"main":    c.Color.Main,
+		"build":   c.Color.Build,
+		"runner":  c.Color.Runner,
+		"watcher": c.Color.Watcher,
+	}
+}
+
+func (c *config) buildLogPath() string {
+	return filepath.Join(c.tmpPath(), c.Build.Log)
+}
+
+func (c *config) buildDelay() time.Duration {
+	return time.Duration(c.Build.Delay) * time.Millisecond
+}
+
+func (c *config) binPath() string {
+	return filepath.Join(c.Root, c.Build.Bin)
+}
+
+func (c *config) tmpPath() string {
+	return filepath.Join(c.Root, c.TmpDir)
+}
+
+func (c *config) rel(path string) string {
+	s, err := filepath.Rel(c.Root, path)
+	if err != nil {
+		return ""
+	}
+	return s
+}

vendor/github.com/cosmtrek/air/runner/engine.go

@@ -0,0 +1,471 @@
+package runner
+
+import (
+	"io"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"sync"
+	"time"
+
+	"github.com/fsnotify/fsnotify"
+)
+
+// Engine ...
+type Engine struct {
+	config    *config
+	logger    *logger
+	watcher   *fsnotify.Watcher
+	debugMode bool
+
+	eventCh        chan string
+	watcherStopCh  chan bool
+	buildRunCh     chan bool
+	buildRunStopCh chan bool
+	binStopCh      chan bool
+	exitCh         chan bool
+
+	mu            sync.RWMutex
+	binRunning    bool
+	watchers      uint
+	fileChecksums *checksumMap
+
+	ll sync.Mutex // lock for logger
+}
+
+// NewEngine ...
+func NewEngine(cfgPath string, debugMode bool) (*Engine, error) {
+	var err error
+	cfg, err := initConfig(cfgPath)
+	if err != nil {
+		return nil, err
+	}
+
+	logger := newLogger(cfg)
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil {
+		return nil, err
+	}
+	e := Engine{
+		config:         cfg,
+		logger:         logger,
+		watcher:        watcher,
+		debugMode:      debugMode,
+		eventCh:        make(chan string, 1000),
+		watcherStopCh:  make(chan bool, 10),
+		buildRunCh:     make(chan bool, 1),
+		buildRunStopCh: make(chan bool, 1),
+		binStopCh:      make(chan bool),
+		exitCh:         make(chan bool),
+		binRunning:     false,
+		watchers:       0,
+	}
+
+	if cfg.Build.ExcludeUnchanged {
+		e.fileChecksums = &checksumMap{m: make(map[string]string)}
+	}
+
+	return &e, nil
+}
+
+// Run run run
+func (e *Engine) Run() {
+	if len(os.Args) > 1 && os.Args[1] == "init" {
+		writeDefaultConfig()
+		return
+	}
+
+	e.mainDebug("CWD: %s", e.config.Root)
+
+	var err error
+	if err = e.checkRunEnv(); err != nil {
+		os.Exit(1)
+	}
+	if err = e.watching(e.config.Root); err != nil {
+		os.Exit(1)
+	}
+
+	e.start()
+	e.cleanup()
+}
+
+func (e *Engine) checkRunEnv() error {
+	p := e.config.tmpPath()
+	if _, err := os.Stat(p); os.IsNotExist(err) {
+		e.runnerLog("mkdir %s", p)
+		if err := os.Mkdir(p, 0755); err != nil {
+			e.runnerLog("failed to mkdir, error: %s", err.Error())
+			return err
+		}
+	}
+	return nil
+}
+
+func (e *Engine) watching(root string) error {
+	return filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		// NOTE: path is absolute
+		if info != nil && !info.IsDir() {
+			return nil
+		}
+		// exclude tmp dir
+		if e.isTmpDir(path) {
+			e.watcherLog("!exclude %s", e.config.rel(path))
+			return filepath.SkipDir
+		}
+		// exclude hidden directories like .git, .idea, etc.
+		if isHiddenDirectory(path) {
+			return filepath.SkipDir
+		}
+		// exclude user specified directories
+		if e.isExcludeDir(path) {
+			e.watcherLog("!exclude %s", e.config.rel(path))
+			return filepath.SkipDir
+		}
+		isIn, walkDir := e.checkIncludeDir(path)
+		if !walkDir {
+			e.watcherLog("!exclude %s", e.config.rel(path))
+			return filepath.SkipDir
+		}
+		if isIn {
+			return e.watchDir(path)
+		}
+		return nil
+	})
+}
+
+// cacheFileChecksums calculates and stores checksums for each non-excluded file it finds from root.
+func (e *Engine) cacheFileChecksums(root string) error {
+	return filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			if info.IsDir() {
+				return filepath.SkipDir
+			}
+			return err
+		}
+
+		if !info.Mode().IsRegular() {
+			if e.isTmpDir(path) || isHiddenDirectory(path) || e.isExcludeDir(path) {
+				e.watcherDebug("!exclude checksum %s", e.config.rel(path))
+				return filepath.SkipDir
+			}
+
+			// Follow symbolic link
+			if e.config.Build.FollowSymlink && (info.Mode()&os.ModeSymlink) > 0 {
+				link, err := filepath.EvalSymlinks(path)
+				if err != nil {
+					return err
+				}
+				linkInfo, err := os.Stat(link)
+				if err != nil {
+					return err
+				}
+				if linkInfo.IsDir() {
+					err = e.watchDir(link)
+					if err != nil {
+						return err
+					}
+				}
+				return nil
+			}
+		}
+
+		if e.isExcludeFile(path) || !e.isIncludeExt(path) {
+			e.watcherDebug("!exclude checksum %s", e.config.rel(path))
+			return nil
+		}
+
+		excludeRegex, err := e.isExcludeRegex(path)
+		if err != nil {
+			return err
+		}
+		if excludeRegex {
+			e.watcherDebug("!exclude checksum %s", e.config.rel(path))
+			return nil
+		}
+
+		// update the checksum cache for the current file
+		_ = e.isModified(path)
+
+		return nil
+	})
+}
+
+func (e *Engine) watchDir(path string) error {
+	if err := e.watcher.Add(path); err != nil {
+		e.watcherLog("failed to watching %s, error: %s", path, err.Error())
+		return err
+	}
+	e.watcherLog("watching %s", e.config.rel(path))
+
+	go func() {
+		e.withLock(func() {
+			e.watchers++
+		})
+		defer func() {
+			e.withLock(func() {
+				e.watchers--
+			})
+		}()
+
+		if e.config.Build.ExcludeUnchanged {
+			err := e.cacheFileChecksums(path)
+			if err != nil {
+				e.watcherLog("error building checksum cache: %v", err)
+			}
+		}
+
+		for {
+			select {
+			case <-e.watcherStopCh:
+				return
+			case ev := <-e.watcher.Events:
+				e.mainDebug("event: %+v", ev)
+				if !validEvent(ev) {
+					break
+				}
+				if isDir(ev.Name) {
+					e.watchNewDir(ev.Name, removeEvent(ev))
+					break
+				}
+				if e.isExcludeFile(ev.Name) {
+					break
+				}
+				excludeRegex, _ := e.isExcludeRegex(ev.Name)
+				if excludeRegex {
+					break
+				}
+				if !e.isIncludeExt(ev.Name) {
+					break
+				}
+				e.watcherDebug("%s has changed", e.config.rel(ev.Name))
+				e.eventCh <- ev.Name
+			case err := <-e.watcher.Errors:
+				e.watcherLog("error: %s", err.Error())
+			}
+		}
+	}()
+	return nil
+}
+
+func (e *Engine) watchNewDir(dir string, removeDir bool) {
+	if e.isTmpDir(dir) {
+		return
+	}
+	if isHiddenDirectory(dir) || e.isExcludeDir(dir) {
+		e.watcherLog("!exclude %s", e.config.rel(dir))
+		return
+	}
+	if removeDir {
+		if err := e.watcher.Remove(dir); err != nil {
+			e.watcherLog("failed to stop watching %s, error: %s", dir, err.Error())
+		}
+		return
+	}
+	go func(dir string) {
+		if err := e.watching(dir); err != nil {
+			e.watcherLog("failed to watching %s, error: %s", dir, err.Error())
+		}
+	}(dir)
+}
+
+func (e *Engine) isModified(filename string) bool {
+	newChecksum, err := fileChecksum(filename)
+	if err != nil {
+		e.watcherDebug("can't determine if file was changed: %v - assuming it did without updating cache", err)
+		return true
+	}
+
+	if e.fileChecksums.updateFileChecksum(filename, newChecksum) {
+		e.watcherDebug("stored checksum for %s: %s", e.config.rel(filename), newChecksum)
+		return true
+	}
+
+	return false
+}
+
+// Endless loop and never return
+func (e *Engine) start() {
+	firstRunCh := make(chan bool, 1)
+	firstRunCh <- true
+
+	for {
+		var filename string
+
+		select {
+		case <-e.exitCh:
+			return
+		case filename = <-e.eventCh:
+			time.Sleep(e.config.buildDelay())
+			e.flushEvents()
+			if !e.isIncludeExt(filename) {
+				continue
+			}
+			if e.config.Build.ExcludeUnchanged {
+				if !e.isModified(filename) {
+					e.mainLog("skipping %s because contents unchanged", e.config.rel(filename))
+					continue
+				}
+			}
+			e.mainLog("%s has changed", e.config.rel(filename))
+		case <-firstRunCh:
+			// go down
+			break
+		}
+
+		select {
+		case <-e.buildRunCh:
+			e.buildRunStopCh <- true
+		default:
+		}
+		e.withLock(func() {
+			if e.binRunning {
+				e.binStopCh <- true
+			}
+		})
+		go e.buildRun()
+	}
+}
+
+func (e *Engine) buildRun() {
+	e.buildRunCh <- true
+	defer func() {
+		<-e.buildRunCh
+	}()
+
+	select {
+	case <-e.buildRunStopCh:
+		return
+	default:
+	}
+	var err error
+	if err = e.building(); err != nil {
+		e.buildLog("failed to build, error: %s", err.Error())
+		_ = e.writeBuildErrorLog(err.Error())
+		if e.config.Build.StopOnError {
+			return
+		}
+	}
+
+	select {
+	case <-e.buildRunStopCh:
+		return
+	default:
+	}
+	if err = e.runBin(); err != nil {
+		e.runnerLog("failed to run, error: %s", err.Error())
+	}
+}
+
+func (e *Engine) flushEvents() {
+	for {
+		select {
+		case <-e.eventCh:
+			e.mainDebug("flushing events")
+		default:
+			return
+		}
+	}
+}
+
+func (e *Engine) building() error {
+	var err error
+	e.buildLog("building...")
+	cmd, stdout, stderr, err := e.startCmd(e.config.Build.Cmd)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		stdout.Close()
+		stderr.Close()
+	}()
+	_, _ = io.Copy(os.Stdout, stdout)
+	_, _ = io.Copy(os.Stderr, stderr)
+	// wait for building
+	err = cmd.Wait()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (e *Engine) runBin() error {
+	var err error
+	e.runnerLog("running...")
+	cmd, stdout, stderr, err := e.startCmd(e.config.Build.Bin)
+	if err != nil {
+		return err
+	}
+	e.withLock(func() {
+		e.binRunning = true
+	})
+
+	go func() {
+		_, _ = io.Copy(os.Stdout, stdout)
+		_, _ = io.Copy(os.Stderr, stderr)
+	}()
+
+	go func(cmd *exec.Cmd, stdout io.ReadCloser, stderr io.ReadCloser) {
+		<-e.binStopCh
+		e.mainDebug("trying to kill cmd %+v", cmd.Args)
+		defer func() {
+			stdout.Close()
+			stderr.Close()
+		}()
+
+		var err error
+		pid, err := e.killCmd(cmd)
+		if err != nil {
+			e.mainDebug("failed to kill PID %d, error: %s", pid, err.Error())
+			if cmd.ProcessState != nil && !cmd.ProcessState.Exited() {
+				os.Exit(1)
+			}
+		} else {
+			e.mainDebug("cmd killed, pid: %d", pid)
+		}
+		e.withLock(func() {
+			e.binRunning = false
+		})
+		cmdBinPath := cmdPath(e.config.rel(e.config.binPath()))
+		if _, err = os.Stat(cmdBinPath); os.IsNotExist(err) {
+			return
+		}
+		if err = os.Remove(cmdBinPath); err != nil {
+			e.mainLog("failed to remove %s, error: %s", e.config.rel(e.config.binPath()), err)
+		}
+	}(cmd, stdout, stderr)
+	return nil
+}
+
+func (e *Engine) cleanup() {
+	e.mainLog("cleaning...")
+	defer e.mainLog("see you again~")
+
+	e.withLock(func() {
+		if e.binRunning {
+			e.binStopCh <- true
+		}
+	})
+
+	e.withLock(func() {
+		for i := 0; i < int(e.watchers); i++ {
+			e.watcherStopCh <- true
+		}
+	})
+
+	var err error
+	if err = e.watcher.Close(); err != nil {
+		e.mainLog("failed to close watcher, error: %s", err.Error())
+	}
+
+	if e.config.Misc.CleanOnExit {
+		e.mainLog("deleting %s", e.config.tmpPath())
+		if err = os.RemoveAll(e.config.tmpPath()); err != nil {
+			e.mainLog("failed to delete tmp dir, err: %+v", err)
+		}
+	}
+}
+
+// Stop the air
+func (e *Engine) Stop() {
+	e.exitCh <- true
+}

vendor/github.com/cosmtrek/air/runner/logger.go

@@ -0,0 +1,112 @@
+package runner
+
+import (
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/fatih/color"
+)
+
+var (
+	rawColor = "raw"
+	// TODO: support more colors
+	colorMap = map[string]color.Attribute{
+		"red":     color.FgRed,
+		"green":   color.FgGreen,
+		"yellow":  color.FgYellow,
+		"blue":    color.FgBlue,
+		"magenta": color.FgMagenta,
+		"cyan":    color.FgCyan,
+		"white":   color.FgWhite,
+	}
+)
+
+type logFunc func(string, ...interface{})
+
+type logger struct {
+	config  *config
+	colors  map[string]string
+	loggers map[string]logFunc
+}
+
+func newLogger(cfg *config) *logger {
+	if cfg == nil {
+		return nil
+	}
+
+	colors := cfg.colorInfo()
+	loggers := make(map[string]logFunc, len(colors))
+	for name, nameColor := range colors {
+		loggers[name] = newLogFunc(nameColor, cfg.Log)
+	}
+	loggers["default"] = defaultLogger()
+	return &logger{
+		config:  cfg,
+		colors:  colors,
+		loggers: loggers,
+	}
+}
+
+func newLogFunc(colorname string, cfg cfgLog) logFunc {
+	return func(msg string, v ...interface{}) {
+		// There are some escape sequences to format color in terminal, so cannot
+		// just trim new line from right.
+		msg = strings.Replace(msg, "\n", "", -1)
+		msg = strings.TrimSpace(msg)
+		if len(msg) == 0 {
+			return
+		}
+		// TODO: filter msg by regex
+		msg = msg + "\n"
+		if cfg.AddTime {
+			t := time.Now().Format("15:04:05")
+			msg = fmt.Sprintf("[%s] %s", t, msg)
+		}
+		if colorname == rawColor {
+			fmt.Fprintf(os.Stdout, msg, v...)
+		} else {
+			color.New(getColor(colorname)).Fprintf(color.Output, msg, v...)
+		}
+	}
+}
+
+func getColor(name string) color.Attribute {
+	if v, ok := colorMap[name]; ok {
+		return v
+	}
+	return color.FgWhite
+}
+
+func (l *logger) main() logFunc {
+	return l.getLogger("main")
+}
+
+func (l *logger) build() logFunc {
+	return l.getLogger("build")
+}
+
+func (l *logger) runner() logFunc {
+	return l.getLogger("runner")
+}
+
+func (l *logger) watcher() logFunc {
+	return l.getLogger("watcher")
+}
+
+func rawLogger() logFunc {
+	return newLogFunc("raw", defaultConfig().Log)
+}
+
+func defaultLogger() logFunc {
+	return newLogFunc("white", defaultConfig().Log)
+}
+
+func (l *logger) getLogger(name string) logFunc {
+	v, ok := l.loggers[name]
+	if !ok {
+		return rawLogger()
+	}
+	return v
+}

vendor/github.com/cosmtrek/air/runner/util.go

@@ -0,0 +1,268 @@
+package runner
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"errors"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"sync"
+
+	"github.com/fsnotify/fsnotify"
+)
+
+func (e *Engine) mainLog(format string, v ...interface{}) {
+	e.logWithLock(func() {
+		e.logger.main()(format, v...)
+	})
+}
+
+func (e *Engine) mainDebug(format string, v ...interface{}) {
+	if e.debugMode {
+		e.mainLog(format, v...)
+	}
+}
+
+func (e *Engine) buildLog(format string, v ...interface{}) {
+	e.logWithLock(func() {
+		e.logger.build()(format, v...)
+	})
+}
+
+func (e *Engine) runnerLog(format string, v ...interface{}) {
+	e.logWithLock(func() {
+		e.logger.runner()(format, v...)
+	})
+}
+
+func (e *Engine) watcherLog(format string, v ...interface{}) {
+	e.logWithLock(func() {
+		e.logger.watcher()(format, v...)
+	})
+}
+
+func (e *Engine) watcherDebug(format string, v ...interface{}) {
+	if e.debugMode {
+		e.watcherLog(format, v...)
+	}
+}
+
+func (e *Engine) isTmpDir(path string) bool {
+	return path == e.config.tmpPath()
+}
+
+func isHiddenDirectory(path string) bool {
+	return len(path) > 1 && strings.HasPrefix(filepath.Base(path), ".")
+}
+
+func cleanPath(path string) string {
+	return strings.TrimSuffix(strings.TrimSpace(path), "/")
+}
+
+func (e *Engine) isExcludeDir(path string) bool {
+	cleanName := cleanPath(e.config.rel(path))
+	for _, d := range e.config.Build.ExcludeDir {
+		if cleanName == d {
+			return true
+		}
+	}
+	return false
+}
+
+// return isIncludeDir, walkDir
+func (e *Engine) checkIncludeDir(path string) (bool, bool) {
+	cleanName := cleanPath(e.config.rel(path))
+	iDir := e.config.Build.IncludeDir
+	if len(iDir) == 0 { // ignore empty
+		return true, true
+	}
+	if cleanName == "." {
+		return false, true
+	}
+	walkDir := false
+	for _, d := range iDir {
+		if d == cleanName {
+			return true, true
+		}
+		if strings.HasPrefix(cleanName, d) { // current dir is sub-directory of `d`
+			return true, true
+		}
+		if strings.HasPrefix(d, cleanName) { // `d` is sub-directory of current dir
+			walkDir = true
+		}
+	}
+	return false, walkDir
+}
+
+func (e *Engine) isIncludeExt(path string) bool {
+	ext := filepath.Ext(path)
+	for _, v := range e.config.Build.IncludeExt {
+		if ext == "."+strings.TrimSpace(v) {
+			return true
+		}
+	}
+	return false
+}
+
+func (e *Engine) isExcludeRegex(path string) (bool, error) {
+	regexes, err := e.config.Build.RegexCompiled()
+	if err != nil {
+		return false, err
+	}
+	for _, re := range regexes {
+		if re.Match([]byte(path)) {
+			return true, nil
+		}
+	}
+	return false, nil
+}
+
+func (e *Engine) isExcludeFile(path string) bool {
+	cleanName := cleanPath(e.config.rel(path))
+	for _, d := range e.config.Build.ExcludeFile {
+		matched, err := filepath.Match(d, cleanName)
+		if err == nil && matched {
+			return true
+		}
+	}
+	return false
+}
+
+func (e *Engine) writeBuildErrorLog(msg string) error {
+	var err error
+	f, err := os.OpenFile(e.config.buildLogPath(), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return err
+	}
+	if _, err = f.Write([]byte(msg)); err != nil {
+		return err
+	}
+	return f.Close()
+}
+
+func (e *Engine) withLock(f func()) {
+	e.mu.Lock()
+	f()
+	e.mu.Unlock()
+}
+
+func (e *Engine) logWithLock(f func()) {
+	e.ll.Lock()
+	f()
+	e.ll.Unlock()
+}
+
+func expandPath(path string) (string, error) {
+	if strings.HasPrefix(path, "~/") {
+		home := os.Getenv("HOME")
+		return home + path[1:], nil
+	}
+	var err error
+	wd, err := os.Getwd()
+	if err != nil {
+		return "", err
+	}
+	if path == "." {
+		return wd, nil
+	}
+	if strings.HasPrefix(path, "./") {
+		return wd + path[1:], nil
+	}
+	return path, nil
+}
+
+func isDir(path string) bool {
+	i, err := os.Stat(path)
+	if err != nil {
+		return false
+	}
+	return i.IsDir()
+}
+
+func validEvent(ev fsnotify.Event) bool {
+	return ev.Op&fsnotify.Create == fsnotify.Create ||
+		ev.Op&fsnotify.Write == fsnotify.Write ||
+		ev.Op&fsnotify.Remove == fsnotify.Remove
+}
+
+func removeEvent(ev fsnotify.Event) bool {
+	return ev.Op&fsnotify.Remove == fsnotify.Remove
+}
+
+func cmdPath(path string) string {
+	return strings.Split(path, " ")[0]
+}
+
+func adaptToVariousPlatforms(c *config) {
+	// Fix the default configuration is not used in Windows
+	// Use the unix configuration on Windows
+	if runtime.GOOS == PlatformWindows {
+
+		runName := "start"
+		extName := ".exe"
+		originBin := c.Build.Bin
+		if !strings.HasSuffix(c.Build.Bin, extName) {
+
+			c.Build.Bin += extName
+		}
+
+		if 0 < len(c.Build.FullBin) {
+
+			if !strings.HasSuffix(c.Build.FullBin, extName) {
+
+				c.Build.FullBin += extName
+			}
+			if !strings.HasPrefix(c.Build.FullBin, runName) {
+				c.Build.FullBin = runName + " /b " + c.Build.FullBin
+			}
+		}
+
+		// bin=/tmp/main  cmd=go build -o ./tmp/main.exe main.go
+		if !strings.Contains(c.Build.Cmd, c.Build.Bin) && strings.Contains(c.Build.Cmd, originBin) {
+			c.Build.Cmd = strings.Replace(c.Build.Cmd, originBin, c.Build.Bin, 1)
+		}
+	}
+}
+
+// fileChecksum returns a checksum for the given file's contents.
+func fileChecksum(filename string) (checksum string, err error) {
+	contents, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return "", err
+	}
+
+	// If the file is empty, an editor might've been in the process of rewriting the file when we read it.
+	// This can happen often if editors are configured to run format after save.
+	// Instead of calculating a new checksum, we'll assume the file was unchanged, but return an error to force a rebuild anyway.
+	if len(contents) == 0 {
+		return "", errors.New("empty file, forcing rebuild without updating checksum")
+	}
+
+	h := sha256.New()
+	if _, err := h.Write(contents); err != nil {
+		return "", err
+	}
+
+	return hex.EncodeToString(h.Sum(nil)), nil
+}
+
+// checksumMap is a thread-safe map to store file checksums.
+type checksumMap struct {
+	l sync.Mutex
+	m map[string]string
+}
+
+// update updates the filename with the given checksum if different.
+func (a *checksumMap) updateFileChecksum(filename, newChecksum string) (ok bool) {
+	a.l.Lock()
+	defer a.l.Unlock()
+	oldChecksum, ok := a.m[filename]
+	if !ok || oldChecksum != newChecksum {
+		a.m[filename] = newChecksum
+		return true
+	}
+	return false
+}

vendor/github.com/cosmtrek/air/runner/util_darwin.go

@@ -0,0 +1,33 @@
+package runner
+
+import (
+	"io"
+	"os/exec"
+	"syscall"
+	"time"
+
+	"github.com/creack/pty"
+)
+
+func (e *Engine) killCmd(cmd *exec.Cmd) (pid int, err error) {
+	pid = cmd.Process.Pid
+
+	if e.config.Build.SendInterrupt {
+		// Sending a signal to make it clear to the process that it is time to turn off
+		if err = syscall.Kill(-pid, syscall.SIGINT); err != nil {
+			return
+		}
+		time.Sleep(e.config.Build.KillDelay * time.Millisecond)
+	}
+	// https://stackoverflow.com/questions/22470193/why-wont-go-kill-a-child-process-correctly
+	err = syscall.Kill(-pid, syscall.SIGKILL)
+	// Wait releases any resources associated with the Process.
+	_, _ = cmd.Process.Wait()
+	return pid, err
+}
+
+func (e *Engine) startCmd(cmd string) (*exec.Cmd, io.ReadCloser, io.ReadCloser, error) {
+	c := exec.Command("/bin/sh", "-c", cmd)
+	f, err := pty.Start(c)
+	return c, f, f, err
+}

vendor/github.com/cosmtrek/air/runner/util_linux.go

@@ -0,0 +1,35 @@
+package runner
+
+import (
+	"io"
+	"os/exec"
+	"syscall"
+	"time"
+
+	"github.com/creack/pty"
+)
+
+func (e *Engine) killCmd(cmd *exec.Cmd) (pid int, err error) {
+	pid = cmd.Process.Pid
+
+	if e.config.Build.SendInterrupt {
+		// Sending a signal to make it clear to the process that it is time to turn off
+		if err = syscall.Kill(-pid, syscall.SIGINT); err != nil {
+			return
+		}
+		time.Sleep(e.config.Build.KillDelay * time.Millisecond)
+	}
+
+	// https://stackoverflow.com/questions/22470193/why-wont-go-kill-a-child-process-correctly
+	err = syscall.Kill(-pid, syscall.SIGKILL)
+
+	// Wait releases any resources associated with the Process.
+	_, _ = cmd.Process.Wait()
+	return
+}
+
+func (e *Engine) startCmd(cmd string) (*exec.Cmd, io.ReadCloser, io.ReadCloser, error) {
+	c := exec.Command("/bin/sh", "-c", cmd)
+	f, err := pty.Start(c)
+	return c, f, f, err
+}

vendor/github.com/cosmtrek/air/runner/util_windows.go

@@ -0,0 +1,38 @@
+package runner
+
+import (
+	"io"
+	"os/exec"
+	"strconv"
+	"strings"
+)
+
+func (e *Engine) killCmd(cmd *exec.Cmd) (pid int, err error) {
+	pid = cmd.Process.Pid
+	// https://stackoverflow.com/a/44551450
+	kill := exec.Command("TASKKILL", "/T", "/F", "/PID", strconv.Itoa(pid))
+	return pid, kill.Run()
+}
+
+func (e *Engine) startCmd(cmd string) (*exec.Cmd, io.ReadCloser, io.ReadCloser, error) {
+	var err error
+
+	if !strings.Contains(cmd, ".exe") {
+		e.runnerLog("CMD will not recognize non .exe file for execution, path: %s", cmd)
+	}
+
+	c := exec.Command("cmd", "/c", cmd)
+	stderr, err := c.StderrPipe()
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	stdout, err := c.StdoutPipe()
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	err = c.Start()
+	if err != nil {
+		return nil, nil, nil, err
+	}
+	return c, stdout, stderr, err
+}

vendor/github.com/cosmtrek/air/version.go

@@ -0,0 +1,4 @@
+package main
+
+var airVersion string
+var goVersion string

vendor/github.com/creack/pty/.gitignore

@@ -0,0 +1,4 @@
+[568].out
+_go*
+_test*
+_obj

vendor/github.com/creack/pty/Dockerfile.riscv

@@ -0,0 +1,14 @@
+FROM golang:1.13
+
+# Clone and complie a riscv compatible version of the go compiler.
+RUN git clone https://review.gerrithub.io/riscv/riscv-go /riscv-go
+# riscvdev branch HEAD as of 2019-06-29.
+RUN cd /riscv-go && git checkout 04885fddd096d09d4450726064d06dd107e374bf
+ENV PATH=/riscv-go/misc/riscv:/riscv-go/bin:$PATH
+RUN cd /riscv-go/src && GOROOT_BOOTSTRAP=$(go env GOROOT) ./make.bash
+ENV GOROOT=/riscv-go
+
+# Make sure we compile.
+WORKDIR pty
+ADD . .
+RUN GOOS=linux GOARCH=riscv go build

vendor/github.com/creack/pty/LICENSE

@@ -0,0 +1,23 @@
+Copyright (c) 2011 Keith Rarick
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute,
+sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall
+be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

vendor/github.com/creack/pty/README.md

@@ -0,0 +1,100 @@
+# pty
+
+Pty is a Go package for using unix pseudo-terminals.
+
+## Install
+
+    go get github.com/creack/pty
+
+## Example
+
+### Command
+
+```go
+package main
+
+import (
+	"github.com/creack/pty"
+	"io"
+	"os"
+	"os/exec"
+)
+
+func main() {
+	c := exec.Command("grep", "--color=auto", "bar")
+	f, err := pty.Start(c)
+	if err != nil {
+		panic(err)
+	}
+
+	go func() {
+		f.Write([]byte("foo\n"))
+		f.Write([]byte("bar\n"))
+		f.Write([]byte("baz\n"))
+		f.Write([]byte{4}) // EOT
+	}()
+	io.Copy(os.Stdout, f)
+}
+```
+
+### Shell
+
+```go
+package main
+
+import (
+        "io"
+        "log"
+        "os"
+        "os/exec"
+        "os/signal"
+        "syscall"
+
+        "github.com/creack/pty"
+        "golang.org/x/crypto/ssh/terminal"
+)
+
+func test() error {
+        // Create arbitrary command.
+        c := exec.Command("bash")
+
+        // Start the command with a pty.
+        ptmx, err := pty.Start(c)
+        if err != nil {
+                return err
+        }
+        // Make sure to close the pty at the end.
+        defer func() { _ = ptmx.Close() }() // Best effort.
+
+        // Handle pty size.
+        ch := make(chan os.Signal, 1)
+        signal.Notify(ch, syscall.SIGWINCH)
+        go func() {
+                for range ch {
+                        if err := pty.InheritSize(os.Stdin, ptmx); err != nil {
+                                log.Printf("error resizing pty: %s", err)
+                        }
+                }
+        }()
+        ch <- syscall.SIGWINCH // Initial resize.
+
+        // Set stdin in raw mode.
+        oldState, err := terminal.MakeRaw(int(os.Stdin.Fd()))
+        if err != nil {
+                panic(err)
+        }
+        defer func() { _ = terminal.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort.
+
+        // Copy stdin to the pty and the pty to stdout.
+        go func() { _, _ = io.Copy(ptmx, os.Stdin) }()
+        _, _ = io.Copy(os.Stdout, ptmx)
+
+        return nil
+}
+
+func main() {
+        if err := test(); err != nil {
+                log.Fatal(err)
+        }
+}
+```

vendor/github.com/creack/pty/doc.go

@@ -0,0 +1,16 @@
+// Package pty provides functions for working with Unix terminals.
+package pty
+
+import (
+	"errors"
+	"os"
+)
+
+// ErrUnsupported is returned if a function is not
+// available on the current platform.
+var ErrUnsupported = errors.New("unsupported")
+
+// Opens a pty and its corresponding tty.
+func Open() (pty, tty *os.File, err error) {
+	return open()
+}

vendor/github.com/creack/pty/go.mod

@@ -0,0 +1,4 @@
+module github.com/creack/pty
+
+go 1.13
+

vendor/github.com/creack/pty/ioctl.go

@@ -0,0 +1,13 @@
+// +build !windows,!solaris
+
+package pty
+
+import "syscall"
+
+func ioctl(fd, cmd, ptr uintptr) error {
+	_, _, e := syscall.Syscall(syscall.SYS_IOCTL, fd, cmd, ptr)
+	if e != 0 {
+		return e
+	}
+	return nil
+}

vendor/github.com/creack/pty/ioctl_bsd.go

@@ -0,0 +1,39 @@
+// +build darwin dragonfly freebsd netbsd openbsd
+
+package pty
+
+// from <sys/ioccom.h>
+const (
+	_IOC_VOID    uintptr = 0x20000000
+	_IOC_OUT     uintptr = 0x40000000
+	_IOC_IN      uintptr = 0x80000000
+	_IOC_IN_OUT  uintptr = _IOC_OUT | _IOC_IN
+	_IOC_DIRMASK         = _IOC_VOID | _IOC_OUT | _IOC_IN
+
+	_IOC_PARAM_SHIFT = 13
+	_IOC_PARAM_MASK  = (1 << _IOC_PARAM_SHIFT) - 1
+)
+
+func _IOC_PARM_LEN(ioctl uintptr) uintptr {
+	return (ioctl >> 16) & _IOC_PARAM_MASK
+}
+
+func _IOC(inout uintptr, group byte, ioctl_num uintptr, param_len uintptr) uintptr {
+	return inout | (param_len&_IOC_PARAM_MASK)<<16 | uintptr(group)<<8 | ioctl_num
+}
+
+func _IO(group byte, ioctl_num uintptr) uintptr {
+	return _IOC(_IOC_VOID, group, ioctl_num, 0)
+}
+
+func _IOR(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
+	return _IOC(_IOC_OUT, group, ioctl_num, param_len)
+}
+
+func _IOW(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
+	return _IOC(_IOC_IN, group, ioctl_num, param_len)
+}
+
+func _IOWR(group byte, ioctl_num uintptr, param_len uintptr) uintptr {
+	return _IOC(_IOC_IN_OUT, group, ioctl_num, param_len)
+}

vendor/github.com/creack/pty/ioctl_solaris.go

@@ -0,0 +1,30 @@
+package pty
+
+import (
+	"golang.org/x/sys/unix"
+	"unsafe"
+)
+
+const (
+	// see /usr/include/sys/stropts.h
+	I_PUSH  = uintptr((int32('S')<<8 | 002))
+	I_STR   = uintptr((int32('S')<<8 | 010))
+	I_FIND  = uintptr((int32('S')<<8 | 013))
+	// see /usr/include/sys/ptms.h
+	ISPTM   = (int32('P') << 8) | 1
+	UNLKPT  = (int32('P') << 8) | 2
+	PTSSTTY = (int32('P') << 8) | 3
+	ZONEPT  = (int32('P') << 8) | 4
+	OWNERPT = (int32('P') << 8) | 5
+)
+
+type strioctl struct {
+	ic_cmd    int32
+	ic_timout int32
+	ic_len    int32
+	ic_dp     unsafe.Pointer
+}
+
+func ioctl(fd, cmd, ptr uintptr) error {
+	return unix.IoctlSetInt(int(fd), uint(cmd), int(ptr))
+}

vendor/github.com/creack/pty/mktypes.bash

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+GOOSARCH="${GOOS}_${GOARCH}"
+case "$GOOSARCH" in
+_* | *_ | _)
+	echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
+	exit 1
+	;;
+esac
+
+GODEFS="go tool cgo -godefs"
+
+$GODEFS types.go |gofmt > ztypes_$GOARCH.go
+
+case $GOOS in
+freebsd|dragonfly|openbsd)
+	$GODEFS types_$GOOS.go |gofmt > ztypes_$GOOSARCH.go
+	;;
+esac