Add label field to task definition

Label is an alternative name for task that replace it when printed in following context eg.:

- log: when given task is up to date and is skipped from execution
- log: when given task is NOT up to date (`--status` command)
- in `--summary` and `--list` commands output

help.go

@@ -21,7 +21,7 @@ func (e *Executor) PrintTasksHelp() {
 	// Format in tab-separated columns with a tab stop of 8.
 	w := tabwriter.NewWriter(e.Stdout, 0, 8, 0, '\t', 0)
 	for _, task := range tasks {
-		fmt.Fprintf(w, "* %s: \t%s\n", task.Task, task.Desc)
+		fmt.Fprintf(w, "* %s: \t%s\n", task.Name(), task.Desc)
 	}
 	w.Flush()
 }

internal/summary/summary.go

@@ -56,7 +56,7 @@ func printTaskSummary(l *logger.Logger, t *taskfile.Task) {
 }
 
 func printTaskName(l *logger.Logger, t *taskfile.Task) {
-	l.Outf(logger.Default, "task: %s", t.Task)
+	l.Outf(logger.Default, "task: %s", t.Name())
 	l.Outf(logger.Default, "")
 }
 

internal/taskfile/task.go

@@ -12,6 +12,7 @@ type Task struct {
 	Task          string
 	Cmds          []*Cmd
 	Deps          []*Dep
+	Label         string
 	Desc          string
 	Summary       string
 	Sources       []string
@@ -32,6 +33,13 @@ var (
 	ErrCantUnmarshalTask = errors.New("task: can't unmarshal task value")
 )
 
+func (t *Task) Name() string {
+	if t.Label != "" {
+		return t.Label
+	}
+	return t.Task
+}
+
 func (t *Task) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	var cmd Cmd
 	if err := unmarshal(&cmd); err == nil && cmd.Cmd != "" {
@@ -48,6 +56,7 @@ func (t *Task) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	var task struct {
 		Cmds          []*Cmd
 		Deps          []*Dep
+		Label         string
 		Desc          string
 		Summary       string
 		Sources       []string
@@ -65,6 +74,7 @@ func (t *Task) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	if err := unmarshal(&task); err == nil {
 		t.Cmds = task.Cmds
 		t.Deps = task.Deps
+		t.Label = task.Label
 		t.Desc = task.Desc
 		t.Summary = task.Summary
 		t.Sources = task.Sources

status.go

@@ -22,7 +22,7 @@ func (e *Executor) Status(ctx context.Context, calls ...taskfile.Call) error {
 			return err
 		}
 		if !isUpToDate {
-			return fmt.Errorf(`task: Task "%s" is not up-to-date`, t.Task)
+			return fmt.Errorf(`task: Task "%s" is not up-to-date`, t.Name())
 		}
 	}
 	return nil

task.go

@@ -272,7 +272,7 @@ func (e *Executor) RunTask(ctx context.Context, call taskfile.Call) error {
 
 		if upToDate && preCondMet {
 			if !e.Silent {
-				e.Logger.Errf(logger.Magenta, `task: Task "%s" is up to date`, t.Task)
+				e.Logger.Errf(logger.Magenta, `task: Task "%s" is up to date`, t.Name())
 			}
 			return nil
 		}

variables.go

@@ -32,6 +32,7 @@ func (e *Executor) CompiledTask(call taskfile.Call) (*taskfile.Task, error) {
 
 	new := taskfile.Task{
 		Task:        origTask.Task,
+		Label:       r.Replace(origTask.Label),
 		Desc:        r.Replace(origTask.Desc),
 		Summary:     r.Replace(origTask.Summary),
 		Sources:     r.ReplaceSlice(origTask.Sources),