Add --color=false flag to disable colored output

cmd/task/task.go

@@ -60,6 +60,7 @@ func main() {
 		summary     bool
 		dir         string
 		output      string
+		color       bool
 	)
 
 	pflag.BoolVar(&versionFlag, "version", false, "show Task version")
@@ -74,6 +75,7 @@ func main() {
 	pflag.BoolVar(&summary, "summary", false, "show summary about a task")
 	pflag.StringVarP(&dir, "dir", "d", "", "sets directory of execution")
 	pflag.StringVarP(&output, "output", "o", "", "sets output style: [interleaved|group|prefixed]")
+	pflag.BoolVarP(&color, "color", "c", true, "colored output")
 	pflag.Parse()
 
 	if versionFlag {
@@ -100,6 +102,7 @@ func main() {
 		Dir:     dir,
 		Dry:     dry,
 		Summary: summary,
+		Color:   color,
 
 		Stdin:  os.Stdin,
 		Stdout: os.Stdout,

internal/logger/logger.go

@@ -25,6 +25,7 @@ type Logger struct {
 	Stdout  io.Writer
 	Stderr  io.Writer
 	Verbose bool
+	Color   bool
 }
 
 // Outf prints stuff to STDOUT.
@@ -32,6 +33,9 @@ func (l *Logger) Outf(print PrintFunc, s string, args ...interface{}) {
 	if len(args) == 0 {
 		s, args = "%s", []interface{}{s}
 	}
+	if !l.Color {
+		print = Default
+	}
 	print(l.Stdout, s+"\n", args...)
 }
 
@@ -47,6 +51,9 @@ func (l *Logger) Errf(print PrintFunc, s string, args ...interface{}) {
 	if len(args) == 0 {
 		s, args = "%s", []interface{}{s}
 	}
+	if !l.Color {
+		print = Default
+	}
 	print(l.Stderr, s+"\n", args...)
 }
 

task.go

@@ -39,6 +39,7 @@ type Executor struct {
 	Silent   bool
 	Dry      bool
 	Summary  bool
+	Color    bool
 
 	Stdin  io.Reader
 	Stdout io.Writer
@@ -108,6 +109,7 @@ func (e *Executor) Setup() error {
 		Stdout:  e.Stdout,
 		Stderr:  e.Stderr,
 		Verbose: e.Verbose,
+		Color:   e.Color,
 	}
 
 	v, err := strconv.ParseFloat(e.Taskfile.Version, 64)