fix linters

channel.go

@@ -35,7 +35,7 @@ func WithDeadline(deadline time.Time) <-chan struct{} {
 		return ch
 	}
 	go func() {
-		<-time.After(deadline.Sub(time.Now()))
+		<-time.After(deadline.Sub(time.Now())) // nolint: gosimple
 		close(ch)
 	}()
 	return ch

cmd/retry/main.go

@@ -50,21 +50,15 @@ type application struct {
 // Run executes the application logic.
 func (app application) Run() {
 	var (
-		result, err = parse(app.Stderr, app.Args[0], app.Args[1:]...)
-		format      = func() string {
-			if result.Debug {
-				return "an error occurred: %+v\n"
-			}
-			return "an error occurred: %v\n"
-		}()
+		result, err    = parse(app.Stderr, app.Args[0], app.Args[1:]...)
 		start, finish  time.Time
 		shutdown, spin = app.Shutdown, spinner.New(spinner.CharSets[17], 100*time.Millisecond)
 		stderr, stdout = bytes.NewBuffer(nil), bytes.NewBuffer(nil)
 		report         = template.Must(template.New("report").Parse(DefaultReport))
 	)
 	if err != nil {
 		if err != flag.ErrHelp {
-			color.New(color.FgRed).Fprintf(app.Stderr, format, err)
+			_, _ = color.New(color.FgRed).Fprintf(app.Stderr, "an error occurred: %v\n", err)
 			app.Shutdown(failed)
 			return
 		}
@@ -85,9 +79,9 @@ func (app application) Run() {
 				// TODO try to find or implement by myself
 				// - https://github.com/variadico/noti
 				// - https://github.com/jolicode/JoliNotif
-				color.New(color.FgYellow).Fprintln(stderr, "notify component is not ready yet")
+				_, _ = color.New(color.FgYellow).Fprintln(stderr, "notify component is not ready yet")
 			}
-			report.Execute(app.Stdout, struct {
+			_ = report.Execute(app.Stdout, struct {
 				Name       string
 				Error      string
 				Start, End string
@@ -96,7 +90,7 @@ func (app application) Run() {
 				Stderr     string
 			}{
 				Name:    command,
-				Error:   fmt.Sprintf(format, err),
+				Error:   fmt.Sprintf("an error occurred: %v\n", err),
 				Start:   start.Format("2006-01-02 15:04:05.99"),
 				End:     finish.Format("2006-01-02 15:04:05.99"),
 				Elapsed: finish.Sub(start),
@@ -113,8 +107,9 @@ func (app application) Run() {
 			spin.Start()
 			start = time.Now()
 		} else {
-			spin.Color("red")
-			color.New(color.FgYellow).Fprintf(stderr, "#%d attempt at %s... \n", attempt+1, time.Now().Sub(start))
+			_ = spin.Color("red")
+			_, _ = color.New(color.FgYellow).Fprintf(stderr, "#%d attempt at %s... \n", attempt+1,
+				time.Now().Sub(start)) // nolint: gosimple
 		}
 		cmd := exec.Command(result.Args[0], result.Args[1:]...)
 		cmd.Stderr, cmd.Stdout = stderr, stdout
@@ -129,5 +124,4 @@ func (app application) Run() {
 		return
 	}
 	app.Shutdown(success)
-	return
 }