package commands import ( "sort" "github.com/spf13/cobra" ) type commandOptions struct { desc bool } func newCommandsCommand() *cobra.Command { env := newEnv() options := commandOptions{} cmd := &cobra.Command{ Use: "commands", Short: "Display available commands.", RunE: func(cmd *cobra.Command, args []string) error { return runCommands(env, options) }, } flags := cmd.Flags() flags.SortFlags = false flags.BoolVarP(&options.desc, "pretty", "p", false, "Output the command description as well as Markdown compatible comment", ) return cmd } func runCommands(env *Env, opts commandOptions) error { first := true var allCmds []*cobra.Command queue := []*cobra.Command{NewRootCommand()} for len(queue) > 0 { cmd := queue[0] queue = queue[1:] allCmds = append(allCmds, cmd) queue = append(queue, cmd.Commands()...) } sort.Sort(commandSorterByName(allCmds)) for _, cmd := range allCmds { if !first { env.out.Println() } first = false if opts.desc { env.out.Printf("# %s\n", cmd.Short) } env.out.Print(cmd.UseLine()) if opts.desc { env.out.Println() } } if !opts.desc { env.out.Println() } return nil } type commandSorterByName []*cobra.Command func (c commandSorterByName) Len() int { return len(c) } func (c commandSorterByName) Swap(i, j int) { c[i], c[j] = c[j], c[i] } func (c commandSorterByName) Less(i, j int) bool { return c[i].CommandPath() < c[j].CommandPath() }