JMS #5: Starting support for subcommand docs

help.go

@@ -12,6 +12,16 @@ var helpCommand = Command{
 	ShortName: "h",
 	Usage:     "Shows a list of commands or help for one command",
 	Action: func(c *Context) {
+		args := c.Args()
+		if len(args) > 0 {
+			showCommandHelp(c)
+		} else {
+			showAppHelp(c)
+		}
+	},
+}
+
+func showAppHelp(c *Context) {
 	helpTemplate := `NAME:
    {{.Name}} - {{.Usage}}
 
@@ -33,7 +43,9 @@ GLOBAL OPTIONS:
 	t := template.Must(template.New("help").Parse(helpTemplate))
 	t.Execute(w, c.App)
 	w.Flush()
-	},
+}
+
+func showCommandHelp(c *Context) {
 }
 
 func showVersion(c *Context) {