1// Package commands contains the CLI commands
 2package commands
 3
 4import (
 5	"fmt"
 6	"os"
 7
 8	"github.com/MichaelMure/git-bug/bug"
 9	"github.com/MichaelMure/git-bug/identity"
10	"github.com/MichaelMure/git-bug/repository"
11	"github.com/spf13/cobra"
12)
13
14const rootCommandName = "git-bug"
15
16// package scoped var to hold the repo after the PreRun execution
17var repo repository.ClockedRepo
18
19// RootCmd represents the base command when called without any subcommands
20var RootCmd = &cobra.Command{
21	Use:   rootCommandName,
22	Short: "A bug tracker embedded in Git",
23	Long: `git-bug is a bug tracker embedded in git.
24
25git-bug use git objects to store the bug tracking separated from the files
26history. As bugs are regular git objects, they can be pushed and pulled from/to
27the same git remote your are already using to collaborate with other peoples.
28
29`,
30
31	// For the root command, force the execution of the PreRun
32	// even if we just display the help. This is to make sure that we check
33	// the repository and give the user early feedback.
34	Run: func(cmd *cobra.Command, args []string) {
35		if err := cmd.Help(); err != nil {
36			os.Exit(1)
37		}
38	},
39
40	DisableAutoGenTag: true,
41
42	// Custom bash code to connect the git completion for "git bug" to the
43	// git-bug completion for "git-bug"
44	BashCompletionFunction: `
45_git_bug() {
46    __start_git-bug "$@"
47}
48`,
49}
50
51func Execute() {
52	if err := RootCmd.Execute(); err != nil {
53		os.Exit(1)
54	}
55}
56
57// loadRepo is a pre-run function that load the repository for use in a command
58func loadRepo(cmd *cobra.Command, args []string) error {
59	cwd, err := os.Getwd()
60	if err != nil {
61		return fmt.Errorf("Unable to get the current working directory: %q\n", err)
62	}
63
64	repo, err = repository.NewGitRepo(cwd, bug.Witnesser)
65	if err == repository.ErrNotARepo {
66		return fmt.Errorf("%s must be run from within a git repo.\n", rootCommandName)
67	}
68
69	if err != nil {
70		return err
71	}
72
73	return nil
74}
75
76// loadRepoEnsureUser is the same as loadRepo, but also ensure that the user has configured
77// an identity. Use this pre-run function when an error after using the configured user won't
78// do.
79func loadRepoEnsureUser(cmd *cobra.Command, args []string) error {
80	err := loadRepo(cmd, args)
81	if err != nil {
82		return err
83	}
84
85	set, err := identity.IsUserIdentitySet(repo)
86	if err != nil {
87		return err
88	}
89
90	if !set {
91		return identity.ErrNoIdentitySet
92	}
93
94	return nil
95}