JMS #28: -h flags for subcommands

2013-08-13 21:40:39 -07:00
parent 61d5778536
commit 8cea424806
2 changed files with 18 additions and 1 deletions
@@ -10,9 +10,19 @@ type Command struct {
 }

 func (c Command) Run(ctx *Context) {
+	// append help to flags
+	c.Flags = append(
+		c.Flags,
+		helpFlag{"show help"},
+	)
+
 	set := flagSet(c.Name, c.Flags)
 	set.Parse(ctx.Args()[1:])
-	c.Action(NewContext(ctx.App, set, ctx.globalSet))
+
+	context := NewContext(ctx.App, set, ctx.globalSet)
+	checkCommandHelp(context, c.Name)
+
+	c.Action(context)
 }

 func (c Command) HasName(name string) bool {