113 lines
2.2 KiB
Markdown
113 lines
2.2 KiB
Markdown
# tenv
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tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17
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[](https://github.com/sivchari/tenv/actions/workflows/workflows.yml)
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## Instruction
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```sh
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go install github.com/sivchari/tenv/cmd/tenv
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```
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## Usage
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```go
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package sandbox_test
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import (
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"os"
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"testing"
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)
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var (
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e = os.Setenv("a", "b")
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_ = e
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)
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func setup() {
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os.Setenv("a", "b")
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err := os.Setenv("a", "b")
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if err != nil {
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_ = err
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}
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}
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func TestF(t *testing.T) {
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setup()
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os.Setenv("a", "b")
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if err := os.Setenv("a", "b"); err != nil {
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_ = err
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}
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}
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```
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### fish
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```console
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go vet -vettool=(which tenv) sandbox_test.go
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# command-line-arguments
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./sandbox_test.go:9:2: variable e is not using t.Setenv
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./sandbox_test.go:14:2: func setup is not using t.Setenv
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./sandbox_test.go:15:2: func setup is not using t.Setenv
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./sandbox_test.go:23:2: func TestF is not using t.Setenv
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./sandbox_test.go:24:2: func TestF is not using t.Setenv
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```
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### bash
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```console
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$ go vet -vettool=`which tenv` main.go
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# command-line-arguments
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./sandbox_test.go:9:2: variable e is not using t.Setenv
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./sandbox_test.go:14:2: func setup is not using t.Setenv
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./sandbox_test.go:15:2: func setup is not using t.Setenv
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./sandbox_test.go:23:2: func TestF is not using t.Setenv
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./sandbox_test.go:24:2: func TestF is not using t.Setenv
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```
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### option
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t.Setenv can use since Go1.17.
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This linter diagnostics, if Go version is since 1.17.
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But, if you wanna exec this linter in prior Go1.17, you can use it that you set `-tenv.f` flag.
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e.g.
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### fish
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```console
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go vet -vettool=(which tenv) -tenv.f sandbox_test.go
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```
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### bash
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```console
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go vet -vettool=`which tenv` -tenv.f main.go
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```
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## CI
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### CircleCI
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```yaml
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- run:
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name: Install tenv
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command: go install github.com/sivchari/tenv
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- run:
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name: Run tenv
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command: go vet -vettool=`which tenv` ./...
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```
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### GitHub Actions
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```yaml
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- name: Install tenv
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run: go install github.com/sivchari/tenv
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- name: Run tenv
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run: go vet -vettool=`which tenv` ./...
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```
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