snapshot of https://github.com/go-gitea/gitea.git (main, 2026-09-15; blobs > 131072B omitted)

services/automergequeue/automergequeue.go

@@ -0,0 +1,52 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package automergequeue
+
+import (
+	"context"
+	"errors"
+	"strconv"
+
+	issues_model "gitea.dev/models/issues"
+	"gitea.dev/modules/git"
+	"gitea.dev/modules/log"
+	"gitea.dev/modules/queue"
+)
+
+// AutoMergeItem is for the unique queue, so the item type can't be JSON which doesn't have deterministic key order.
+// Since the queue is a unique queue, the item must contain commit ID, otherwise the new commit ID will be ignored.
+type AutoMergeItem string
+
+var AutoMergeQueue *queue.WorkerPoolQueue[AutoMergeItem]
+
+var AddToQueue = func(item AutoMergeItem) {
+	if err := AutoMergeQueue.Push(item); err != nil && !errors.Is(err, queue.ErrAlreadyInQueue) {
+		log.Error("Error adding %v to the automerge queue: %v", item, err)
+	}
+}
+
+func StartAutoMergeCheckByPullCommit(pullID int64, commitID string) {
+	AddToQueue(AutoMergeItem("pr:" + strconv.FormatInt(pullID, 10) + ":" + commitID))
+}
+
+func StartAutoMergeCheckByPullHead(ctx context.Context, pull *issues_model.PullRequest) {
+	if err := pull.LoadBaseRepo(ctx); err != nil {
+		log.Error("LoadBaseRepo: %v", err)
+		return
+	}
+
+	gitRepo, err := git.OpenRepository(ctx, pull.BaseRepo)
+	if err != nil {
+		log.Error("OpenRepository: %v", err)
+		return
+	}
+	defer gitRepo.Close()
+
+	commitID, err := gitRepo.GetRefCommitID(ctx, pull.GetGitHeadRefName())
+	if err != nil {
+		log.Error("GetRefCommitID: %v", err)
+		return
+	}
+	StartAutoMergeCheckByPullCommit(pull.ID, commitID)
+}