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|
package commands
import (
"errors"
"flag"
"fmt"
"github.com/MichaelMure/git-bug/bug"
"github.com/MichaelMure/git-bug/bug/operations"
"github.com/MichaelMure/git-bug/repository"
)
var labelFlagSet = flag.NewFlagSet("label", flag.ExitOnError)
var (
labelRemove = newFlagSet.Bool("r", false, "Remove a label")
)
func runLabel(repo repository.Repo, args []string) error {
labelFlagSet.Parse(args)
args = labelFlagSet.Args()
if len(args) == 0 {
return errors.New("You must provide a bug id")
}
if len(args) == 1 {
return errors.New("You must provide a label")
}
prefix := args[0]
b, err := bug.FindBug(repo, prefix)
if err != nil {
return err
}
author, err := bug.GetUser(repo)
if err != nil {
return err
}
var added, removed []bug.Label
snap := b.Compile()
for _, arg := range args[1:] {
label := bug.Label(arg)
if *labelRemove {
// check for duplicate
if labelExist(removed, label) {
fmt.Printf("label \"%s\" is a duplicate\n", arg)
continue
}
// check that the label actually exist
if !labelExist(snap.Labels, label) {
fmt.Printf("label \"%s\" doesn't exist on this bug\n", arg)
continue
}
removed = append(removed, label)
} else {
// check for duplicate
if labelExist(added, label) {
fmt.Printf("label \"%s\" is a duplicate\n", arg)
continue
}
// check that the label doesn't already exist
if labelExist(snap.Labels, label) {
fmt.Printf("label \"%s\" is already set on this bug\n", arg)
continue
}
added = append(added, label)
}
}
if len(added) == 0 && len(removed) == 0 {
return errors.New("no label added or removed")
}
labelOp := operations.NewLabelChangeOperation(author, added, removed)
b.Append(labelOp)
err = b.Commit(repo)
return err
}
func labelExist(labels []bug.Label, label bug.Label) bool {
for _, l := range labels {
if l == label {
return true
}
}
return false
}
var labelCmd = &Command{
Description: "Manipulate bug's label",
Usage: "<id> [<option>...] [<label>...]",
flagSet: labelFlagSet,
RunMethod: runLabel,
}
|
