1package commands
 2
 3import (
 4	"sort"
 5
 6	"github.com/spf13/cobra"
 7
 8	"github.com/git-bug/git-bug/commands/execenv"
 9)
10
11type commandOptions struct {
12	desc bool
13}
14
15func newCommandsCommand(env *execenv.Env) *cobra.Command {
16	options := commandOptions{}
17
18	cmd := &cobra.Command{
19		Use:   "commands",
20		Short: "Display available commands.",
21		RunE: func(cmd *cobra.Command, args []string) error {
22			return runCommands(env, options)
23		},
24	}
25
26	flags := cmd.Flags()
27	flags.SortFlags = false
28
29	flags.BoolVarP(&options.desc, "pretty", "p", false,
30		"Output the command description as well as Markdown compatible comment",
31	)
32
33	return cmd
34}
35
36func runCommands(env *execenv.Env, opts commandOptions) error {
37	first := true
38
39	var allCmds []*cobra.Command
40	queue := []*cobra.Command{NewRootCommand()}
41
42	for len(queue) > 0 {
43		cmd := queue[0]
44		queue = queue[1:]
45		allCmds = append(allCmds, cmd)
46		queue = append(queue, cmd.Commands()...)
47	}
48
49	sort.Sort(commandSorterByName(allCmds))
50
51	for _, cmd := range allCmds {
52		if !first {
53			env.Out.Println()
54		}
55
56		first = false
57
58		if opts.desc {
59			env.Out.Printf("# %s\n", cmd.Short)
60		}
61
62		env.Out.Print(cmd.UseLine())
63
64		if opts.desc {
65			env.Out.Println()
66		}
67	}
68
69	if !opts.desc {
70		env.Out.Println()
71	}
72
73	return nil
74}
75
76type commandSorterByName []*cobra.Command
77
78func (c commandSorterByName) Len() int           { return len(c) }
79func (c commandSorterByName) Swap(i, j int)      { c[i], c[j] = c[j], c[i] }
80func (c commandSorterByName) Less(i, j int) bool { return c[i].CommandPath() < c[j].CommandPath() }