Add reply to code review (#978)

Follow https://gitea.com/gitea/go-sdk/pulls/784

Reviewed-on: https://gitea.com/gitea/tea/pulls/978

modules/git/cli_backend.go

@@ -164,7 +164,20 @@ func (r *cliRepository) CreateTrackingBranch(localBranchName, remoteBranchName,
 }
 
 func (r *cliRepository) Checkout(ref ReferenceName) error {
-	_, err := r.git(nil, nil, "checkout", ref.String())
+	args := []string{"checkout"}
+	switch {
+	case ref.IsBranch():
+		// `git checkout refs/heads/<branch>` detaches HEAD, while the short branch
+		// name switches to the local branch as intended.
+		args = append(args, ref.Short())
+	case ref.IsRemote():
+		// Be explicit about detached HEAD when checking out a remote-tracking ref.
+		args = append(args, "--detach", ref.String())
+	default:
+		args = append(args, ref.String())
+	}
+
+	_, err := r.git(nil, nil, args...)
 	return err
 }
 

modules/task/pull_checkout.go

@@ -77,9 +77,9 @@ func doPRFetch(
 	localRemote *local_git.Remote,
 	callback func(string) (string, error),
 ) (string, error) {
+	_ = callback
 	localRemoteName := localRemote.Config().Name
 	localBranchName := pr.Head.Ref
-	// get auth & fetch remote via its configured protocol
 	url, err := localRepo.TeaRemoteURL(localRemoteName)
 	if err != nil {
 		return "", err

modules/task/pull_review_comment.go

@@ -56,6 +56,21 @@ func ResolvePullReviewComment(requestCtx stdctx.Context, ctx *context.TeaContext
 	return nil
 }
 
+// ReplyToPullReviewComment replies to a review comment on a pull request.
+func ReplyToPullReviewComment(requestCtx stdctx.Context, ctx *context.TeaContext, idx, commentID int64, body string) error {
+	c := ctx.Login.Client()
+
+	comment, _, err := c.PullRequests.CreatePullReviewCommentReply(requestCtx, ctx.Owner, ctx.Repo, idx, commentID, gitea.CreatePullReviewCommentReplyOptions{
+		Body: body,
+	})
+	if err != nil {
+		return err
+	}
+
+	fmt.Println(comment.HTMLURL)
+	return nil
+}
+
 // UnresolvePullReviewComment unresolves a review comment
 func UnresolvePullReviewComment(requestCtx stdctx.Context, ctx *context.TeaContext, commentID int64) error {
 	c := ctx.Login.Client()