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