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@ -51,30 +51,36 @@ var helpCommand = Command{
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Action: func(c *Context) {
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args := c.Args()
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if len(args) > 0 {
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showCommandHelp(c)
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ShowCommandHelp(c, args[0])
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} else {
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showAppHelp(c)
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ShowAppHelp(c)
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}
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},
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}
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func showAppHelp(c *Context) {
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// Prints help for the App
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func ShowAppHelp(c *Context) {
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printHelp(AppHelpTemplate, c.App)
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}
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func showCommandHelp(c *Context) {
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name := c.Args()[0]
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// Prints help for the given command
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func ShowCommandHelp(c *Context, command string) {
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for _, c := range c.App.Commands {
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if c.HasName(name) {
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if c.HasName(command) {
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printHelp(CommandHelpTemplate, c)
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return
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}
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}
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fmt.Printf("No help topic for '%v'\n", name)
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fmt.Printf("No help topic for '%v'\n", command)
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os.Exit(1)
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}
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// Prints the version number of the App
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func ShowVersion(c *Context) {
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fmt.Printf("%v version %v\n", c.App.Name, c.App.Version)
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}
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func printHelp(templ string, data interface{}) {
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w := tabwriter.NewWriter(os.Stdout, 0, 8, 1, '\t', 0)
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t := template.Must(template.New("help").Parse(templ))
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@ -82,6 +88,16 @@ func printHelp(templ string, data interface{}) {
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w.Flush()
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}
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func showVersion(c *Context) {
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fmt.Printf("%v version %v\n", c.App.Name, c.App.Version)
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func checkVersion(c *Context) {
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if c.GlobalBool("version") {
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ShowVersion(c)
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os.Exit(0)
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}
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}
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func checkHelp(c *Context) {
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if c.GlobalBool("h") || c.GlobalBool("help") {
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ShowAppHelp(c)
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os.Exit(0)
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}
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}
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