check peer exists before removal

README.md

@@ -32,5 +32,6 @@ TODO after first release:
 
   * Hooks for adding routes/ IPtables forwarding rules
   * Route entire internet option
-  * Support for additional subnets in peer config (with routes)
+  * Support for additional subnets in peer config (with routes) in separate networks section in report
   * Peer endpoint support
+  * Decide what to do with assumed default DNS server

remove.go

@@ -10,11 +10,10 @@ func Remove() {
 		ExitFail("Hostname argument required: dsnet remove <hostname>")
 	}
 
-	ConfirmOrAbort("Do you really want to remove %s?", os.Args[2])
-
 	conf := MustLoadDsnetConfig()
 	hostname := os.Args[2]
 	conf.MustRemovePeer(hostname)
+	ConfirmOrAbort("Do you really want to remove %s?", os.Args[2])
 	conf.MustSave()
 	ConfigureDevice(conf)
 }