1package commands
 2
 3import (
 4	"errors"
 5	"fmt"
 6
 7	"github.com/MichaelMure/git-bug/cache"
 8	"github.com/MichaelMure/git-bug/operations"
 9	"github.com/spf13/cobra"
10)
11
12var labelRemove bool
13
14func runLabel(cmd *cobra.Command, args []string) error {
15	if len(args) == 0 {
16		return errors.New("You must provide a bug id")
17	}
18
19	if len(args) == 1 {
20		return errors.New("You must provide a label")
21	}
22
23	backend, err := cache.NewRepoCache(repo)
24	if err != nil {
25		return err
26	}
27	defer backend.Close()
28
29	prefix := args[0]
30
31	var add, remove []string
32
33	if labelRemove {
34		remove = args[1:]
35	} else {
36		add = args[1:]
37	}
38
39	b, err := backend.ResolveBugPrefix(prefix)
40	if err != nil {
41		return err
42	}
43
44	changes, err := b.ChangeLabels(add, remove)
45
46	for _, change := range changes {
47		switch change.Status {
48		case operations.LabelChangeAdded:
49			fmt.Printf("label %s added\n", change.Label)
50		case operations.LabelChangeRemoved:
51			fmt.Printf("label %s removed\n", change.Label)
52		case operations.LabelChangeDuplicateInOp:
53			fmt.Printf("label %s is a duplicate\n", change.Label)
54		case operations.LabelChangeAlreadySet:
55			fmt.Printf("label %s was already set\n", change.Label)
56		case operations.LabelChangeDoesntExist:
57			fmt.Printf("label %s doesn't exist on this bug\n", change.Label)
58		default:
59			panic(fmt.Sprintf("unknown label change status %v", change.Status))
60		}
61	}
62
63	if err != nil {
64		return err
65	}
66
67	return b.Commit()
68}
69
70var labelCmd = &cobra.Command{
71	Use:   "label <id> [<label>...]",
72	Short: "Manipulate bug's label",
73	RunE:  runLabel,
74}
75
76func init() {
77	RootCmd.AddCommand(labelCmd)
78
79	labelCmd.Flags().SortFlags = false
80
81	labelCmd.Flags().BoolVarP(&labelRemove, "remove", "r", false,
82		"Remove a label",
83	)
84}