Merge 3ec275303d into bb0e4ce581

fix typo for the Docker README

docker/README.md

@@ -1,7 +1,7 @@
 # Gitea - Docker
 
-Dockerfile is found in root of repository.
+Dockerfile is found in the root of the repository.
 
-Docker image can be found on [docker hub](https://hub.docker.com/r/gitea/gitea)
+Docker image can be found on [docker hub](https://hub.docker.com/r/gitea/gitea).
 
-Documentation on using docker image can be found on [Gitea Docs site](https://docs.gitea.com/installation/install-with-docker-rootless)
+Documentation on using docker image can be found on [Gitea Docs site](https://docs.gitea.com/installation/install-with-docker-rootless).

models/issues/review.go

@@ -155,14 +155,14 @@ func (r *Review) LoadCodeComments(ctx context.Context) (err error) {
 	if r.CodeComments != nil {
 		return err
 	}
-	if err = r.loadIssue(ctx); err != nil {
+	if err = r.LoadIssue(ctx); err != nil {
 		return err
 	}
 	r.CodeComments, err = fetchCodeCommentsByReview(ctx, r.Issue, nil, r, false)
 	return err
 }
 
-func (r *Review) loadIssue(ctx context.Context) (err error) {
+func (r *Review) LoadIssue(ctx context.Context) (err error) {
 	if r.Issue != nil {
 		return err
 	}
@@ -199,7 +199,7 @@ func (r *Review) LoadReviewerTeam(ctx context.Context) (err error) {
 
 // LoadAttributes loads all attributes except CodeComments
 func (r *Review) LoadAttributes(ctx context.Context) (err error) {
-	if err = r.loadIssue(ctx); err != nil {
+	if err = r.LoadIssue(ctx); err != nil {
 		return err
 	}
 	if err = r.LoadCodeComments(ctx); err != nil {

modules/markup/html.go

@@ -10,6 +10,7 @@ import (
 	"path"
 	"path/filepath"
 	"regexp"
+	"slices"
 	"strings"
 	"sync"
 
@@ -54,7 +55,7 @@ var (
 	shortLinkPattern = regexp.MustCompile(`\[\[(.*?)\]\](\w*)`)
 
 	// anyHashPattern splits url containing SHA into parts
-	anyHashPattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{40,64})(/[-+~_%.a-zA-Z0-9/]+)?(#[-+~_%.a-zA-Z0-9]+)?`)
+	anyHashPattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{40,64})(/[-+~%./\w]+)?(\?[-+~%.\w&=]+)?(#[-+~%.\w]+)?`)
 
 	// comparePattern matches "http://domain/org/repo/compare/COMMIT1...COMMIT2#hash"
 	comparePattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{7,64})(\.\.\.?)([0-9a-f]{7,64})?(#[-+~_%.a-zA-Z0-9]+)?`)
@@ -591,7 +592,8 @@ func replaceContentList(node *html.Node, i, j int, newNodes []*html.Node) {
 
 func mentionProcessor(ctx *RenderContext, node *html.Node) {
 	start := 0
-	for node != nil {
+	nodeStop := node.NextSibling
+	for node != nodeStop {
 		found, loc := references.FindFirstMentionBytes(util.UnsafeStringToBytes(node.Data[start:]))
 		if !found {
 			node = node.NextSibling
@@ -962,57 +964,68 @@ func commitCrossReferencePatternProcessor(ctx *RenderContext, node *html.Node) {
 	}
 }
 
+type anyHashPatternResult struct {
+	PosStart  int
+	PosEnd    int
+	FullURL   string
+	CommitID  string
+	SubPath   string
+	QueryHash string
+}
+
+func anyHashPatternExtract(s string) (ret anyHashPatternResult, ok bool) {
+	m := anyHashPattern.FindStringSubmatchIndex(s)
+	if m == nil {
+		return ret, false
+	}
+
+	ret.PosStart, ret.PosEnd = m[0], m[1]
+	ret.FullURL = s[ret.PosStart:ret.PosEnd]
+	if strings.HasSuffix(ret.FullURL, ".") {
+		// if url ends in '.', it's very likely that it is not part of the actual url but used to finish a sentence.
+		ret.PosEnd--
+		ret.FullURL = ret.FullURL[:len(ret.FullURL)-1]
+		for i := 0; i < len(m); i++ {
+			m[i] = min(m[i], ret.PosEnd)
+		}
+	}
+
+	ret.CommitID = s[m[2]:m[3]]
+	if m[5] > 0 {
+		ret.SubPath = s[m[4]:m[5]]
+	}
+
+	lastStart, lastEnd := m[len(m)-2], m[len(m)-1]
+	if lastEnd > 0 {
+		ret.QueryHash = s[lastStart:lastEnd][1:]
+	}
+	return ret, true
+}
+
 // fullHashPatternProcessor renders SHA containing URLs
 func fullHashPatternProcessor(ctx *RenderContext, node *html.Node) {
 	if ctx.Metas == nil {
 		return
 	}
-
-	next := node.NextSibling
-	for node != nil && node != next {
-		m := anyHashPattern.FindStringSubmatchIndex(node.Data)
-		if m == nil {
-			return
+	nodeStop := node.NextSibling
+	for node != nodeStop {
+		if node.Type != html.TextNode {
+			node = node.NextSibling
+			continue
 		}
-
-		urlFull := node.Data[m[0]:m[1]]
-		text := base.ShortSha(node.Data[m[2]:m[3]])
-
-		// 3rd capture group matches a optional path
-		subpath := ""
-		if m[5] > 0 {
-			subpath = node.Data[m[4]:m[5]]
+		ret, ok := anyHashPatternExtract(node.Data)
+		if !ok {
+			node = node.NextSibling
+			continue
 		}
-
-		// 4th capture group matches a optional url hash
-		hash := ""
-		if m[7] > 0 {
-			hash = node.Data[m[6]:m[7]][1:]
+		text := base.ShortSha(ret.CommitID)
+		if ret.SubPath != "" {
+			text += ret.SubPath
 		}
-
-		start := m[0]
-		end := m[1]
-
-		// If url ends in '.', it's very likely that it is not part of the
-		// actual url but used to finish a sentence.
-		if strings.HasSuffix(urlFull, ".") {
-			end--
-			urlFull = urlFull[:len(urlFull)-1]
-			if hash != "" {
-				hash = hash[:len(hash)-1]
-			} else if subpath != "" {
-				subpath = subpath[:len(subpath)-1]
-			}
+		if ret.QueryHash != "" {
+			text += " (" + ret.QueryHash + ")"
 		}
-
-		if subpath != "" {
-			text += subpath
-		}
-
-		if hash != "" {
-			text += " (" + hash + ")"
-		}
-		replaceContent(node, start, end, createCodeLink(urlFull, text, "commit"))
+		replaceContent(node, ret.PosStart, ret.PosEnd, createCodeLink(ret.FullURL, text, "commit"))
 		node = node.NextSibling.NextSibling
 	}
 }
@@ -1021,19 +1034,16 @@ func comparePatternProcessor(ctx *RenderContext, node *html.Node) {
 	if ctx.Metas == nil {
 		return
 	}
-
-	next := node.NextSibling
-	for node != nil && node != next {
-		m := comparePattern.FindStringSubmatchIndex(node.Data)
-		if m == nil {
-			return
+	nodeStop := node.NextSibling
+	for node != nodeStop {
+		if node.Type != html.TextNode {
+			node = node.NextSibling
+			continue
 		}
-
-		// Ensure that every group (m[0]...m[7]) has a match
-		for i := 0; i < 8; i++ {
-			if m[i] == -1 {
-				return
-			}
+		m := comparePattern.FindStringSubmatchIndex(node.Data)
+		if m == nil || slices.Contains(m[:8], -1) { // ensure that every group (m[0]...m[7]) has a match
+			node = node.NextSibling
+			continue
 		}
 
 		urlFull := node.Data[m[0]:m[1]]

modules/markup/html_codepreview.go

@@ -60,7 +60,8 @@ func renderCodeBlock(ctx *RenderContext, node *html.Node) (urlPosStart, urlPosSt
 }
 
 func codePreviewPatternProcessor(ctx *RenderContext, node *html.Node) {
-	for node != nil {
+	nodeStop := node.NextSibling
+	for node != nodeStop {
 		if node.Type != html.TextNode {
 			node = node.NextSibling
 			continue

modules/markup/html_internal_test.go

@@ -399,36 +399,61 @@ func TestRegExp_sha1CurrentPattern(t *testing.T) {
 }
 
 func TestRegExp_anySHA1Pattern(t *testing.T) {
-	testCases := map[string][]string{
+	testCases := map[string]anyHashPatternResult{
 		"https://github.com/jquery/jquery/blob/a644101ed04d0beacea864ce805e0c4f86ba1cd1/test/unit/event.js#L2703": {
-			"a644101ed04d0beacea864ce805e0c4f86ba1cd1",
-			"/test/unit/event.js",
-			"#L2703",
+			CommitID:  "a644101ed04d0beacea864ce805e0c4f86ba1cd1",
+			SubPath:   "/test/unit/event.js",
+			QueryHash: "L2703",
 		},
 		"https://github.com/jquery/jquery/blob/a644101ed04d0beacea864ce805e0c4f86ba1cd1/test/unit/event.js": {
-			"a644101ed04d0beacea864ce805e0c4f86ba1cd1",
-			"/test/unit/event.js",
-			"",
+			CommitID: "a644101ed04d0beacea864ce805e0c4f86ba1cd1",
+			SubPath:  "/test/unit/event.js",
 		},
 		"https://github.com/jquery/jquery/commit/0705be475092aede1eddae01319ec931fb9c65fc": {
-			"0705be475092aede1eddae01319ec931fb9c65fc",
-			"",
-			"",
+			CommitID: "0705be475092aede1eddae01319ec931fb9c65fc",
 		},
 		"https://github.com/jquery/jquery/tree/0705be475092aede1eddae01319ec931fb9c65fc/src": {
-			"0705be475092aede1eddae01319ec931fb9c65fc",
-			"/src",
-			"",
+			CommitID: "0705be475092aede1eddae01319ec931fb9c65fc",
+			SubPath:  "/src",
 		},
 		"https://try.gogs.io/gogs/gogs/commit/d8a994ef243349f321568f9e36d5c3f444b99cae#diff-2": {
-			"d8a994ef243349f321568f9e36d5c3f444b99cae",
-			"",
-			"#diff-2",
+			CommitID:  "d8a994ef243349f321568f9e36d5c3f444b99cae",
+			QueryHash: "diff-2",
+		},
+		"non-url": {},
+		"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678?a=b#L1-L2": {
+			CommitID:  "1234567812345678123456781234567812345678123456781234567812345678",
+			QueryHash: "L1-L2",
+		},
+		"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678.": {
+			CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
+		},
+		"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678/sub.": {
+			CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
+			SubPath:  "/sub",
+		},
+		"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678?a=b.": {
+			CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
+		},
+		"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678?a=b&c=d": {
+			CommitID: "1234567812345678123456781234567812345678123456781234567812345678",
+		},
+		"http://a/b/c/d/e/1234567812345678123456781234567812345678123456781234567812345678#hash.": {
+			CommitID:  "1234567812345678123456781234567812345678123456781234567812345678",
+			QueryHash: "hash",
 		},
 	}
 
 	for k, v := range testCases {
-		assert.Equal(t, anyHashPattern.FindStringSubmatch(k)[1:], v)
+		ret, ok := anyHashPatternExtract(k)
+		if v.CommitID == "" {
+			assert.False(t, ok)
+		} else {
+			assert.EqualValues(t, strings.TrimSuffix(k, "."), ret.FullURL)
+			assert.EqualValues(t, v.CommitID, ret.CommitID)
+			assert.EqualValues(t, v.SubPath, ret.SubPath)
+			assert.EqualValues(t, v.QueryHash, ret.QueryHash)
+		}
 	}
 }
 

modules/markup/html_test.go

@@ -124,6 +124,11 @@ func TestRender_CrossReferences(t *testing.T) {
 	test(
 		util.URLJoin(markup.TestAppURL, "gogitea", "some-repo-name", "issues", "12345"),
 		`<p><a href="`+util.URLJoin(markup.TestAppURL, "gogitea", "some-repo-name", "issues", "12345")+`" class="ref-issue" rel="nofollow">gogitea/some-repo-name#12345</a></p>`)
+
+	inputURL := "https://host/a/b/commit/0123456789012345678901234567890123456789/foo.txt?a=b#L2-L3"
+	test(
+		inputURL,
+		`<p><a href="`+inputURL+`" rel="nofollow"><code>0123456789/foo.txt (L2-L3)</code></a></p>`)
 }
 
 func TestMisc_IsSameDomain(t *testing.T) {
@@ -695,7 +700,7 @@ func TestIssue18471(t *testing.T) {
 	}, strings.NewReader(data), &res)
 
 	assert.NoError(t, err)
-	assert.Equal(t, "<a href=\"http://domain/org/repo/compare/783b039...da951ce\" class=\"compare\"><code class=\"nohighlight\">783b039...da951ce</code></a>", res.String())
+	assert.Equal(t, `<a href="http://domain/org/repo/compare/783b039...da951ce" class="compare"><code class="nohighlight">783b039...da951ce</code></a>`, res.String())
 }
 
 func TestIsFullURL(t *testing.T) {

services/automerge/automerge.go

@@ -22,6 +22,7 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/process"
 	"code.gitea.io/gitea/modules/queue"
+	notify_service "code.gitea.io/gitea/services/notify"
 	pull_service "code.gitea.io/gitea/services/pull"
 )
 
@@ -30,6 +31,8 @@ var prAutoMergeQueue *queue.WorkerPoolQueue[string]
 
 // Init runs the task queue to that handles auto merges
 func Init() error {
+	notify_service.RegisterNotifier(NewNotifier())
+
 	prAutoMergeQueue = queue.CreateUniqueQueue(graceful.GetManager().ShutdownContext(), "pr_auto_merge", handler)
 	if prAutoMergeQueue == nil {
 		return fmt.Errorf("unable to create pr_auto_merge queue")
@@ -47,7 +50,7 @@ func handler(items ...string) []string {
 			log.Error("could not parse data from pr_auto_merge queue (%v): %v", s, err)
 			continue
 		}
-		handlePull(id, sha)
+		handlePullRequestAutoMerge(id, sha)
 	}
 	return nil
 }
@@ -62,16 +65,6 @@ func addToQueue(pr *issues_model.PullRequest, sha string) {
 // ScheduleAutoMerge if schedule is false and no error, pull can be merged directly
 func ScheduleAutoMerge(ctx context.Context, doer *user_model.User, pull *issues_model.PullRequest, style repo_model.MergeStyle, message string) (scheduled bool, err error) {
 	err = db.WithTx(ctx, func(ctx context.Context) error {
-		lastCommitStatus, err := pull_service.GetPullRequestCommitStatusState(ctx, pull)
-		if err != nil {
-			return err
-		}
-
-		// we don't need to schedule
-		if lastCommitStatus.IsSuccess() {
-			return nil
-		}
-
 		if err := pull_model.ScheduleAutoMerge(ctx, doer, pull.ID, style, message); err != nil {
 			return err
 		}
@@ -95,8 +88,8 @@ func RemoveScheduledAutoMerge(ctx context.Context, doer *user_model.User, pull *
 	})
 }
 
-// MergeScheduledPullRequest merges a previously scheduled pull request when all checks succeeded
-func MergeScheduledPullRequest(ctx context.Context, sha string, repo *repo_model.Repository) error {
+// StartPullRequestAutoMergeCheckBySHA start an automerge check task for repository and SHA
+func StartPullRequestAutoMergeCheckBySHA(ctx context.Context, sha string, repo *repo_model.Repository) error {
 	pulls, err := getPullRequestsByHeadSHA(ctx, sha, repo, func(pr *issues_model.PullRequest) bool {
 		return !pr.HasMerged && pr.CanAutoMerge()
 	})
@@ -111,14 +104,41 @@ func MergeScheduledPullRequest(ctx context.Context, sha string, repo *repo_model
 	return nil
 }
 
+// StartPullRequestAutoMergeCheck start an automerge check task for a pull request
+func StartPullRequestAutoMergeCheck(ctx context.Context, pull *issues_model.PullRequest) {
+	if pull == nil || pull.HasMerged || !pull.CanAutoMerge() {
+		return
+	}
+
+	if err := pull.LoadBaseRepo(ctx); err != nil {
+		log.Error("LoadBaseRepo: %v", err)
+		return
+	}
+
+	gitRepo, err := gitrepo.OpenRepository(ctx, pull.BaseRepo)
+	if err != nil {
+		log.Error("OpenRepository: %v", err)
+		return
+	}
+
+	commitID, err := gitRepo.GetRefCommitID(pull.GetGitRefName())
+	gitRepo.Close()
+	if err != nil {
+		log.Error("GetRefCommitID: %v", err)
+		return
+	}
+
+	addToQueue(pull, commitID)
+}
+
 func getPullRequestsByHeadSHA(ctx context.Context, sha string, repo *repo_model.Repository, filter func(*issues_model.PullRequest) bool) (map[int64]*issues_model.PullRequest, error) {
 	gitRepo, err := gitrepo.OpenRepository(ctx, repo)
 	if err != nil {
 		return nil, err
 	}
-	defer gitRepo.Close()
 
 	refs, err := gitRepo.GetRefsBySha(sha, "")
+	gitRepo.Close()
 	if err != nil {
 		return nil, err
 	}
@@ -161,7 +181,8 @@ func getPullRequestsByHeadSHA(ctx context.Context, sha string, repo *repo_model.
 	return pulls, nil
 }
 
-func handlePull(pullID int64, sha string) {
+// handlePullRequestAutoMerge merge the pull request if all checks are successful
+func handlePullRequestAutoMerge(pullID int64, sha string) {
 	ctx, _, finished := process.GetManager().AddContext(graceful.GetManager().HammerContext(),
 		fmt.Sprintf("Handle AutoMerge of PR[%d] with sha[%s]", pullID, sha))
 	defer finished()
@@ -182,24 +203,50 @@ func handlePull(pullID int64, sha string) {
 		return
 	}
 
+	if err = pr.LoadBaseRepo(ctx); err != nil {
+		log.Error("%-v LoadBaseRepo: %v", pr, err)
+		return
+	}
+
+	// check the sha is the same as pull request head commit id
+	baseGitRepo, err := gitrepo.OpenRepository(ctx, pr.BaseRepo)
+	if err != nil {
+		log.Error("OpenRepository: %v", err)
+		return
+	}
+	defer baseGitRepo.Close()
+
+	headCommitID, err := baseGitRepo.GetRefCommitID(pr.GetGitRefName())
+	if err != nil {
+		log.Error("GetRefCommitID: %v", err)
+		return
+	}
+	if headCommitID != sha {
+		log.Warn("Head commit id of auto merge %-v does not match sha [%s]", pr, sha)
+		return
+	}
+
 	// Get all checks for this pr
 	// We get the latest sha commit hash again to handle the case where the check of a previous push
 	// did not succeed or was not finished yet.
-
 	if err = pr.LoadHeadRepo(ctx); err != nil {
 		log.Error("%-v LoadHeadRepo: %v", pr, err)
 		return
 	}
 
-	headGitRepo, err := gitrepo.OpenRepository(ctx, pr.HeadRepo)
-	if err != nil {
-		log.Error("OpenRepository %-v: %v", pr.HeadRepo, err)
-		return
+	var headGitRepo *git.Repository
+	if pr.BaseRepoID == pr.HeadRepoID {
+		headGitRepo = baseGitRepo
+	} else {
+		headGitRepo, err = gitrepo.OpenRepository(ctx, pr.HeadRepo)
+		if err != nil {
+			log.Error("OpenRepository %-v: %v", pr.HeadRepo, err)
+			return
+		}
+		defer headGitRepo.Close()
 	}
-	defer headGitRepo.Close()
 
 	headBranchExist := headGitRepo.IsBranchExist(pr.HeadBranch)
-
 	if pr.HeadRepo == nil || !headBranchExist {
 		log.Warn("Head branch of auto merge %-v does not exist [HeadRepoID: %d, Branch: %s]", pr, pr.HeadRepoID, pr.HeadBranch)
 		return
@@ -238,25 +285,9 @@ func handlePull(pullID int64, sha string) {
 		return
 	}
 
-	var baseGitRepo *git.Repository
-	if pr.BaseRepoID == pr.HeadRepoID {
-		baseGitRepo = headGitRepo
-	} else {
-		if err = pr.LoadBaseRepo(ctx); err != nil {
-			log.Error("%-v LoadBaseRepo: %v", pr, err)
-			return
-		}
-
-		baseGitRepo, err = gitrepo.OpenRepository(ctx, pr.BaseRepo)
-		if err != nil {
-			log.Error("OpenRepository %-v: %v", pr.BaseRepo, err)
-			return
-		}
-		defer baseGitRepo.Close()
-	}
-
 	if err := pull_service.Merge(ctx, pr, doer, baseGitRepo, scheduledPRM.MergeStyle, "", scheduledPRM.Message, true); err != nil {
 		log.Error("pull_service.Merge: %v", err)
+		// FIXME: if merge failed, we should display some error message to the pull request page.
 		return
 	}
 }

services/automerge/notify.go

@@ -0,0 +1,46 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package automerge
+
+import (
+	"context"
+
+	issues_model "code.gitea.io/gitea/models/issues"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/log"
+	notify_service "code.gitea.io/gitea/services/notify"
+)
+
+type automergeNotifier struct {
+	notify_service.NullNotifier
+}
+
+var _ notify_service.Notifier = &automergeNotifier{}
+
+// NewNotifier create a new automergeNotifier notifier
+func NewNotifier() notify_service.Notifier {
+	return &automergeNotifier{}
+}
+
+func (n *automergeNotifier) PullRequestReview(ctx context.Context, pr *issues_model.PullRequest, review *issues_model.Review, comment *issues_model.Comment, mentions []*user_model.User) {
+	// as a missing / blocking reviews could have blocked a pending automerge let's recheck
+	if review.Type == issues_model.ReviewTypeApprove {
+		if err := StartPullRequestAutoMergeCheckBySHA(ctx, review.CommitID, pr.BaseRepo); err != nil {
+			log.Error("StartPullRequestAutoMergeCheckBySHA: %v", err)
+		}
+	}
+}
+
+func (n *automergeNotifier) PullReviewDismiss(ctx context.Context, doer *user_model.User, review *issues_model.Review, comment *issues_model.Comment) {
+	if err := review.LoadIssue(ctx); err != nil {
+		log.Error("LoadIssue: %v", err)
+		return
+	}
+	if err := review.Issue.LoadPullRequest(ctx); err != nil {
+		log.Error("LoadPullRequest: %v", err)
+		return
+	}
+	// as reviews could have blocked a pending automerge let's recheck
+	StartPullRequestAutoMergeCheck(ctx, review.Issue.PullRequest)
+}

services/pull/merge.go

@@ -162,12 +162,6 @@ func Merge(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.U
 	pullWorkingPool.CheckIn(fmt.Sprint(pr.ID))
 	defer pullWorkingPool.CheckOut(fmt.Sprint(pr.ID))
 
-	// Removing an auto merge pull and ignore if not exist
-	// FIXME: is this the correct point to do this? Shouldn't this be after IsMergeStyleAllowed?
-	if err := pull_model.DeleteScheduledAutoMerge(ctx, pr.ID); err != nil && !db.IsErrNotExist(err) {
-		return err
-	}
-
 	prUnit, err := pr.BaseRepo.GetUnit(ctx, unit.TypePullRequests)
 	if err != nil {
 		log.Error("pr.BaseRepo.GetUnit(unit.TypePullRequests): %v", err)
@@ -184,17 +178,31 @@ func Merge(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.U
 		go AddTestPullRequestTask(doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
 	}()
 
-	pr.MergedCommitID, err = doMergeAndPush(ctx, pr, doer, mergeStyle, expectedHeadCommitID, message)
+	mergeCtx, cancel, err := doMerge(ctx, pr, doer, mergeStyle, expectedHeadCommitID, message)
 	if err != nil {
 		return err
 	}
+	defer cancel()
 
-	pr.MergedUnix = timeutil.TimeStampNow()
-	pr.Merger = doer
-	pr.MergerID = doer.ID
+	if err := db.WithTx(ctx, func(ctx context.Context) error {
+		// Removing an auto merge pull and ignore if not exist
+		if err := pull_model.DeleteScheduledAutoMerge(ctx, pr.ID); err != nil && !db.IsErrNotExist(err) {
+			return err
+		}
 
-	if _, err := pr.SetMerged(ctx); err != nil {
-		log.Error("SetMerged %-v: %v", pr, err)
+		pr.MergedCommitID = mergeCtx.mergeCommitID
+		pr.MergedUnix = timeutil.TimeStampNow()
+		pr.Merger = doer
+		pr.MergerID = doer.ID
+		if _, err := pr.SetMerged(ctx); err != nil {
+			log.Error("SetMerged %-v: %v", pr, err)
+			return err
+		}
+
+		_, err := doPush(ctx, mergeCtx, pr, doer)
+		return err
+	}); err != nil {
+		return err
 	}
 
 	if err := pr.LoadIssue(ctx); err != nil {
@@ -244,62 +252,82 @@ func Merge(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.U
 	return nil
 }
 
-// doMergeAndPush performs the merge operation without changing any pull information in database and pushes it up to the base repository
-func doMergeAndPush(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.User, mergeStyle repo_model.MergeStyle, expectedHeadCommitID, message string) (string, error) {
+func doMerge(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.User, mergeStyle repo_model.MergeStyle, expectedHeadCommitID, message string) (*mergeContext, context.CancelFunc, error) {
 	// Clone base repo.
 	mergeCtx, cancel, err := createTemporaryRepoForMerge(ctx, pr, doer, expectedHeadCommitID)
+	if err != nil {
+		return nil, nil, err
+	}
+	// Merge commits.
+	switch mergeStyle {
+	case repo_model.MergeStyleMerge:
+		if err := doMergeStyleMerge(mergeCtx, message); err != nil {
+			cancel()
+			return nil, nil, err
+		}
+	case repo_model.MergeStyleRebase, repo_model.MergeStyleRebaseMerge:
+		if err := doMergeStyleRebase(mergeCtx, mergeStyle, message); err != nil {
+			cancel()
+			return nil, nil, err
+		}
+	case repo_model.MergeStyleSquash:
+		if err := doMergeStyleSquash(mergeCtx, message); err != nil {
+			cancel()
+			return nil, nil, err
+		}
+	case repo_model.MergeStyleFastForwardOnly:
+		if err := doMergeStyleFastForwardOnly(mergeCtx); err != nil {
+			cancel()
+			return nil, nil, err
+		}
+	default:
+		cancel()
+		return nil, nil, models.ErrInvalidMergeStyle{ID: pr.BaseRepo.ID, Style: mergeStyle}
+	}
+
+	// OK we should cache our current head and origin/headbranch
+	mergeCtx.mergeHeadSHA, err = git.GetFullCommitID(ctx, mergeCtx.tmpBasePath, "HEAD")
+	if err != nil {
+		cancel()
+		return nil, nil, fmt.Errorf("Failed to get full commit id for HEAD: %w", err)
+	}
+	mergeCtx.mergeBaseSHA, err = git.GetFullCommitID(ctx, mergeCtx.tmpBasePath, "original_"+baseBranch)
+	if err != nil {
+		cancel()
+		return nil, nil, fmt.Errorf("Failed to get full commit id for origin/%s: %w", pr.BaseBranch, err)
+	}
+	mergeCtx.mergeCommitID, err = git.GetFullCommitID(ctx, mergeCtx.tmpBasePath, baseBranch)
+	if err != nil {
+		cancel()
+		return nil, nil, fmt.Errorf("Failed to get full commit id for the new merge: %w", err)
+	}
+
+	return mergeCtx, cancel, nil
+}
+
+// doMergeAndPush performs the merge operation without changing any pull information in database and pushes it up to the base repository
+func doMergeAndPush(ctx context.Context, pr *issues_model.PullRequest, doer *user_model.User, mergeStyle repo_model.MergeStyle, expectedHeadCommitID, message string) (string, error) {
+	mergeCtx, cancel, err := doMerge(ctx, pr, doer, mergeStyle, expectedHeadCommitID, message)
 	if err != nil {
 		return "", err
 	}
 	defer cancel()
 
-	// Merge commits.
-	switch mergeStyle {
-	case repo_model.MergeStyleMerge:
-		if err := doMergeStyleMerge(mergeCtx, message); err != nil {
-			return "", err
-		}
-	case repo_model.MergeStyleRebase, repo_model.MergeStyleRebaseMerge:
-		if err := doMergeStyleRebase(mergeCtx, mergeStyle, message); err != nil {
-			return "", err
-		}
-	case repo_model.MergeStyleSquash:
-		if err := doMergeStyleSquash(mergeCtx, message); err != nil {
-			return "", err
-		}
-	case repo_model.MergeStyleFastForwardOnly:
-		if err := doMergeStyleFastForwardOnly(mergeCtx); err != nil {
-			return "", err
-		}
-	default:
-		return "", models.ErrInvalidMergeStyle{ID: pr.BaseRepo.ID, Style: mergeStyle}
-	}
-
-	// OK we should cache our current head and origin/headbranch
-	mergeHeadSHA, err := git.GetFullCommitID(ctx, mergeCtx.tmpBasePath, "HEAD")
-	if err != nil {
-		return "", fmt.Errorf("Failed to get full commit id for HEAD: %w", err)
-	}
-	mergeBaseSHA, err := git.GetFullCommitID(ctx, mergeCtx.tmpBasePath, "original_"+baseBranch)
-	if err != nil {
-		return "", fmt.Errorf("Failed to get full commit id for origin/%s: %w", pr.BaseBranch, err)
-	}
-	mergeCommitID, err := git.GetFullCommitID(ctx, mergeCtx.tmpBasePath, baseBranch)
-	if err != nil {
-		return "", fmt.Errorf("Failed to get full commit id for the new merge: %w", err)
-	}
+	return doPush(ctx, mergeCtx, pr, doer)
+}
 
+func doPush(ctx context.Context, mergeCtx *mergeContext, pr *issues_model.PullRequest, doer *user_model.User) (string, error) {
 	// Now it's questionable about where this should go - either after or before the push
 	// I think in the interests of data safety - failures to push to the lfs should prevent
 	// the merge as you can always remerge.
 	if setting.LFS.StartServer {
-		if err := LFSPush(ctx, mergeCtx.tmpBasePath, mergeHeadSHA, mergeBaseSHA, pr); err != nil {
+		if err := LFSPush(ctx, mergeCtx.tmpBasePath, mergeCtx.mergeHeadSHA, mergeCtx.mergeBaseSHA, pr); err != nil {
 			return "", err
 		}
 	}
 
 	var headUser *user_model.User
-	err = pr.HeadRepo.LoadOwner(ctx)
+	err := pr.HeadRepo.LoadOwner(ctx)
 	if err != nil {
 		if !user_model.IsErrUserNotExist(err) {
 			log.Error("Can't find user: %d for head repository in %-v: %v", pr.HeadRepo.OwnerID, pr, err)
@@ -344,7 +372,7 @@ func doMergeAndPush(ctx context.Context, pr *issues_model.PullRequest, doer *use
 	mergeCtx.outbuf.Reset()
 	mergeCtx.errbuf.Reset()
 
-	return mergeCommitID, nil
+	return mergeCtx.mergeCommitID, nil
 }
 
 func commitAndSignNoAuthor(ctx *mergeContext, message string) error {

services/pull/merge_prepare.go

@@ -25,11 +25,14 @@ import (
 
 type mergeContext struct {
 	*prContext
-	doer      *user_model.User
-	sig       *git.Signature
-	committer *git.Signature
-	signKeyID string // empty for no-sign, non-empty to sign
-	env       []string
+	doer          *user_model.User
+	sig           *git.Signature
+	committer     *git.Signature
+	signKeyID     string // empty for no-sign, non-empty to sign
+	env           []string
+	mergeHeadSHA  string
+	mergeBaseSHA  string
+	mergeCommitID string
 }
 
 func (ctx *mergeContext) RunOpts() *git.RunOpts {

services/repository/commitstatus/commitstatus.go

@@ -115,7 +115,7 @@ func CreateCommitStatus(ctx context.Context, repo *repo_model.Repository, creato
 	}
 
 	if status.State.IsSuccess() {
-		if err := automerge.MergeScheduledPullRequest(ctx, sha, repo); err != nil {
+		if err := automerge.StartPullRequestAutoMergeCheckBySHA(ctx, sha, repo); err != nil {
 			return fmt.Errorf("MergeScheduledPullRequest[repo_id: %d, user_id: %d, sha: %s]: %w", repo.ID, creator.ID, sha, err)
 		}
 	}