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Code Issues Activity

Start automerge check again after the conflict check and the schedule (#34989)

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Fix #34988

Co-authored-by: posativ
This commit is contained in:
wxiaoguang 2025-07-08 22:51:16 +08:00 committed by GitHub
parent 3763c2ae28
commit 4e10adc871
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GPG Key ID: B5690EEEBB952194
8 changed files with 187 additions and 68 deletions
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7
models/pull/automerge.go
View File

@ -5,12 +5,14 @@ package pull
import (
"context"
"errors"
"fmt"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
)
// AutoMerge represents a pull request scheduled for merging when checks succeed
@ -76,7 +78,10 @@ func GetScheduledMergeByPullID(ctx context.Context, pullID int64) (bool, *AutoMe
return false, nil, err
}
doer, err := user_model.GetUserByID(ctx, scheduledPRM.DoerID)
doer, err := user_model.GetPossibleUserByID(ctx, scheduledPRM.DoerID)
if errors.Is(err, util.ErrNotExist) {
doer, err = user_model.NewGhostUser(), nil
}
if err != nil {
return false, nil, err
}

55
services/automerge/automerge.go
View File

@ -22,23 +22,21 @@ import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/queue"
"code.gitea.io/gitea/services/automergequeue"
notify_service "code.gitea.io/gitea/services/notify"
pull_service "code.gitea.io/gitea/services/pull"
repo_service "code.gitea.io/gitea/services/repository"
)
// prAutoMergeQueue represents a queue to handle update pull request tests
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 {
automergequeue.AutoMergeQueue = queue.CreateUniqueQueue(graceful.GetManager().ShutdownContext(), "pr_auto_merge", handler)
if automergequeue.AutoMergeQueue == nil {
return errors.New("unable to create pr_auto_merge queue")
}
go graceful.GetManager().RunWithCancel(prAutoMergeQueue)
go graceful.GetManager().RunWithCancel(automergequeue.AutoMergeQueue)
return nil
}
@ -56,24 +54,23 @@ func handler(items ...string) []string {
return nil
}
func addToQueue(pr *issues_model.PullRequest, sha string) {
log.Trace("Adding pullID: %d to the pull requests patch checking queue with sha %s", pr.ID, sha)
if err := prAutoMergeQueue.Push(fmt.Sprintf("%d_%s", pr.ID, sha)); err != nil {
log.Error("Error adding pullID: %d to the pull requests patch checking queue %v", pr.ID, err)
}
}
// 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, deleteBranchAfterMerge bool) (scheduled bool, err error) {
err = db.WithTx(ctx, func(ctx context.Context) error {
if err := pull_model.ScheduleAutoMerge(ctx, doer, pull.ID, style, message, deleteBranchAfterMerge); err != nil {
return err
}
scheduled = true
_, err = issues_model.CreateAutoMergeComment(ctx, issues_model.CommentTypePRScheduledToAutoMerge, pull, doer)
return err
})
// Old code made "scheduled" to be true after "ScheduleAutoMerge", but it's not right:
// If the transaction rolls back, then the pull request is not scheduled to auto merge.
// So we should only set "scheduled" to true if there is no error.
scheduled = err == nil
if scheduled {
log.Trace("Pull request [%d] scheduled for auto merge with style [%s] and message [%s]", pull.ID, style, message)
automergequeue.StartPRCheckAndAutoMerge(ctx, pull)
}
return scheduled, err
}
@ -99,38 +96,12 @@ func StartPRCheckAndAutoMergeBySHA(ctx context.Context, sha string, repo *repo_m
}
for _, pr := range pulls {
addToQueue(pr, sha)
automergequeue.AddToQueue(pr, sha)
}
return nil
}
// StartPRCheckAndAutoMerge start an automerge check and auto merge task for a pull request
func StartPRCheckAndAutoMerge(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
}
defer gitRepo.Close()
commitID, err := gitRepo.GetRefCommitID(pull.GetGitRefName())
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 {

3
services/automerge/notify.go
View File

@ -12,6 +12,7 @@ import (
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/services/automergequeue"
notify_service "code.gitea.io/gitea/services/notify"
)
@ -45,7 +46,7 @@ func (n *automergeNotifier) PullReviewDismiss(ctx context.Context, doer *user_mo
return
}
// as reviews could have blocked a pending automerge let's recheck
StartPRCheckAndAutoMerge(ctx, review.Issue.PullRequest)
automergequeue.StartPRCheckAndAutoMerge(ctx, review.Issue.PullRequest)
}
func (n *automergeNotifier) CreateCommitStatus(ctx context.Context, repo *repo_model.Repository, commit *repository.PushCommit, sender *user_model.User, status *git_model.CommitStatus) {

49
services/automergequeue/automergequeue.go Normal file
View File

@ -0,0 +1,49 @@
// Copyright 2025 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package automergequeue
import (
"context"
"fmt"
issues_model "code.gitea.io/gitea/models/issues"
"code.gitea.io/gitea/modules/gitrepo"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/queue"
)
var AutoMergeQueue *queue.WorkerPoolQueue[string]
var AddToQueue = func(pr *issues_model.PullRequest, sha string) {
log.Trace("Adding pullID: %d to the pull requests patch checking queue with sha %s", pr.ID, sha)
if err := AutoMergeQueue.Push(fmt.Sprintf("%d_%s", pr.ID, sha)); err != nil {
log.Error("Error adding pullID: %d to the pull requests patch checking queue %v", pr.ID, err)
}
}
// StartPRCheckAndAutoMerge start an automerge check and auto merge task for a pull request
func StartPRCheckAndAutoMerge(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
}
defer gitRepo.Close()
commitID, err := gitRepo.GetRefCommitID(pull.GetGitRefName())
if err != nil {
log.Error("GetRefCommitID: %v", err)
return
}
AddToQueue(pull, commitID)
}

17
services/pull/check.go
View File

@ -1,5 +1,4 @@
// Copyright 2019 The Gitea Authors.
// All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package pull
@ -16,6 +15,7 @@ import (
git_model "code.gitea.io/gitea/models/git"
issues_model "code.gitea.io/gitea/models/issues"
access_model "code.gitea.io/gitea/models/perm/access"
"code.gitea.io/gitea/models/pull"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unit"
user_model "code.gitea.io/gitea/models/user"
@ -29,6 +29,7 @@ import (
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
asymkey_service "code.gitea.io/gitea/services/asymkey"
"code.gitea.io/gitea/services/automergequeue"
notify_service "code.gitea.io/gitea/services/notify"
)
@ -238,7 +239,7 @@ func isSignedIfRequired(ctx context.Context, pr *issues_model.PullRequest, doer
// markPullRequestAsMergeable checks if pull request is possible to leaving checking status,
// and set to be either conflict or mergeable.
func markPullRequestAsMergeable(ctx context.Context, pr *issues_model.PullRequest) {
// If status has not been changed to conflict by testPullRequestTmpRepoBranchMergeable then we are mergeable
// If the status has not been changed to conflict by testPullRequestTmpRepoBranchMergeable then we are mergeable
if pr.Status == issues_model.PullRequestStatusChecking {
pr.Status = issues_model.PullRequestStatusMergeable
}
@ -257,6 +258,16 @@ func markPullRequestAsMergeable(ctx context.Context, pr *issues_model.PullReques
if err := pr.UpdateColsIfNotMerged(ctx, "merge_base", "status", "conflicted_files", "changed_protected_files"); err != nil {
log.Error("Update[%-v]: %v", pr, err)
}
// if there is a scheduled merge for this pull request, start the auto merge check (again)
exist, _, err := pull.GetScheduledMergeByPullID(ctx, pr.ID)
if err != nil {
log.Error("GetScheduledMergeByPullID[%-v]: %v", pr, err)
return
} else if !exist {
return
}
automergequeue.StartPRCheckAndAutoMerge(ctx, pr)
}
// getMergeCommit checks if a pull request has been merged

52
services/pull/check_test.go
View File

@ -1,5 +1,4 @@
// Copyright 2019 The Gitea Authors.
// All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package pull
@ -11,11 +10,18 @@ import (
"code.gitea.io/gitea/models/db"
issues_model "code.gitea.io/gitea/models/issues"
"code.gitea.io/gitea/models/pull"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/queue"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/test"
"code.gitea.io/gitea/services/automergequeue"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestPullRequest_AddToTaskQueue(t *testing.T) {
@ -63,6 +69,46 @@ func TestPullRequest_AddToTaskQueue(t *testing.T) {
pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: 2})
assert.Equal(t, issues_model.PullRequestStatusChecking, pr.Status)
prPatchCheckerQueue.ShutdownWait(5 * time.Second)
prPatchCheckerQueue.ShutdownWait(time.Second)
prPatchCheckerQueue = nil
}
func TestMarkPullRequestAsMergeable(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
prPatchCheckerQueue = queue.CreateUniqueQueue(graceful.GetManager().ShutdownContext(), "pr_patch_checker", func(items ...string) []string { return nil })
go prPatchCheckerQueue.Run()
defer func() {
prPatchCheckerQueue.ShutdownWait(time.Second)
prPatchCheckerQueue = nil
}()
addToQueueShaChan := make(chan string, 1)
defer test.MockVariableValue(&automergequeue.AddToQueue, func(pr *issues_model.PullRequest, sha string) {
addToQueueShaChan <- sha
})()
ctx := t.Context()
_, _ = db.GetEngine(ctx).ID(2).Update(&issues_model.PullRequest{Status: issues_model.PullRequestStatusChecking})
pr := unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: 2})
require.False(t, pr.HasMerged)
require.Equal(t, issues_model.PullRequestStatusChecking, pr.Status)
err := pull.ScheduleAutoMerge(ctx, &user_model.User{ID: 99999}, pr.ID, repo_model.MergeStyleMerge, "test msg", true)
require.NoError(t, err)
exist, scheduleMerge, err := pull.GetScheduledMergeByPullID(ctx, pr.ID)
require.NoError(t, err)
assert.True(t, exist)
assert.True(t, scheduleMerge.Doer.IsGhost())
markPullRequestAsMergeable(ctx, pr)
pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: 2})
require.Equal(t, issues_model.PullRequestStatusMergeable, pr.Status)
select {
case sha := <-addToQueueShaChan:
assert.Equal(t, "985f0301dba5e7b34be866819cd15ad3d8f508ee", sha) // ref: refs/pull/3/head
case <-time.After(1 * time.Second):
assert.FailNow(t, "Timeout: nothing was added to automergequeue")
}
}

47
tests/integration/git_general_test.go
View File

@ -16,6 +16,7 @@ import (
"path/filepath"
"slices"
"strconv"
"strings"
"testing"
"time"
@ -489,40 +490,60 @@ func doBranchProtectPRMerge(baseCtx *APITestContext, dstPath string) func(t *tes
}
func doProtectBranch(ctx APITestContext, branch, userToWhitelistPush, userToWhitelistForcePush, unprotectedFilePatterns, protectedFilePatterns string) func(t *testing.T) {
return doProtectBranchExt(ctx, branch, doProtectBranchOptions{
UserToWhitelistPush: userToWhitelistPush,
UserToWhitelistForcePush: userToWhitelistForcePush,
UnprotectedFilePatterns: unprotectedFilePatterns,
ProtectedFilePatterns: protectedFilePatterns,
})
}
type doProtectBranchOptions struct {
UserToWhitelistPush, UserToWhitelistForcePush, UnprotectedFilePatterns, ProtectedFilePatterns string
StatusCheckPatterns []string
}
func doProtectBranchExt(ctx APITestContext, ruleName string, opts doProtectBranchOptions) func(t *testing.T) {
// We are going to just use the owner to set the protection.
return func(t *testing.T) {
csrf := GetUserCSRFToken(t, ctx.Session)
formData := map[string]string{
"_csrf": csrf,
"rule_name": branch,
"unprotected_file_patterns": unprotectedFilePatterns,
"protected_file_patterns": protectedFilePatterns,
"rule_name": ruleName,
"unprotected_file_patterns": opts.UnprotectedFilePatterns,
"protected_file_patterns": opts.ProtectedFilePatterns,
}
if userToWhitelistPush != "" {
user, err := user_model.GetUserByName(db.DefaultContext, userToWhitelistPush)
if opts.UserToWhitelistPush != "" {
user, err := user_model.GetUserByName(db.DefaultContext, opts.UserToWhitelistPush)
assert.NoError(t, err)
formData["whitelist_users"] = strconv.FormatInt(user.ID, 10)
formData["enable_push"] = "whitelist"
formData["enable_whitelist"] = "on"
}
if userToWhitelistForcePush != "" {
user, err := user_model.GetUserByName(db.DefaultContext, userToWhitelistForcePush)
if opts.UserToWhitelistForcePush != "" {
user, err := user_model.GetUserByName(db.DefaultContext, opts.UserToWhitelistForcePush)
assert.NoError(t, err)
formData["force_push_allowlist_users"] = strconv.FormatInt(user.ID, 10)
formData["enable_force_push"] = "whitelist"
formData["enable_force_push_allowlist"] = "on"
}
if len(opts.StatusCheckPatterns) > 0 {
formData["enable_status_check"] = "on"
formData["status_check_contexts"] = strings.Join(opts.StatusCheckPatterns, "\n")
}
// Send the request to update branch protection settings
req := NewRequestWithValues(t, "POST", fmt.Sprintf("/%s/%s/settings/branches/edit", url.PathEscape(ctx.Username), url.PathEscape(ctx.Reponame)), formData)
ctx.Session.MakeRequest(t, req, http.StatusSeeOther)
// Check if master branch has been locked successfully
// Check if the "master" branch has been locked successfully
flashMsg := ctx.Session.GetCookieFlashMessage()
assert.Equal(t, `Branch protection for rule "`+branch+`" has been updated.`, flashMsg.SuccessMsg)
assert.Equal(t, `Branch protection for rule "`+ruleName+`" has been updated.`, flashMsg.SuccessMsg)
}
}
@ -688,6 +709,10 @@ func doAutoPRMerge(baseCtx *APITestContext, dstPath string) func(t *testing.T) {
ctx := NewAPITestContext(t, baseCtx.Username, baseCtx.Reponame, auth_model.AccessTokenScopeWriteRepository)
// automerge will merge immediately if the PR is mergeable and there is no "status check" because no status check also means "all checks passed"
// so we must set up a status check to test the auto merge feature
doProtectBranchExt(ctx, "protected", doProtectBranchOptions{StatusCheckPatterns: []string{"*"}})(t)
t.Run("CheckoutProtected", doGitCheckoutBranch(dstPath, "protected"))
t.Run("PullProtected", doGitPull(dstPath, "origin", "protected"))
t.Run("GenerateCommit", func(t *testing.T) {
@ -728,13 +753,13 @@ func doAutoPRMerge(baseCtx *APITestContext, dstPath string) func(t *testing.T) {
// Cancel not existing auto merge
ctx.ExpectedCode = http.StatusNotFound
t.Run("CancelAutoMergePR", doAPICancelAutoMergePullRequest(ctx, baseCtx.Username, baseCtx.Reponame, pr.Index))
t.Run("CancelAutoMergePRNotExist", doAPICancelAutoMergePullRequest(ctx, baseCtx.Username, baseCtx.Reponame, pr.Index))
// Add auto merge request
ctx.ExpectedCode = http.StatusCreated
t.Run("AutoMergePR", doAPIAutoMergePullRequest(ctx, baseCtx.Username, baseCtx.Reponame, pr.Index))
// Can not create schedule twice
// Cannot create schedule twice
ctx.ExpectedCode = http.StatusConflict
t.Run("AutoMergePRTwice", doAPIAutoMergePullRequest(ctx, baseCtx.Username, baseCtx.Reponame, pr.Index))

25
tests/integration/pull_merge_test.go
View File

@ -35,6 +35,7 @@ import (
"code.gitea.io/gitea/modules/test"
"code.gitea.io/gitea/modules/translation"
"code.gitea.io/gitea/services/automerge"
"code.gitea.io/gitea/services/automergequeue"
pull_service "code.gitea.io/gitea/services/pull"
repo_service "code.gitea.io/gitea/services/repository"
commitstatus_service "code.gitea.io/gitea/services/repository/commitstatus"
@ -727,7 +728,7 @@ func TestPullAutoMergeAfterCommitStatusSucceed(t *testing.T) {
// add protected branch for commit status
csrf := GetUserCSRFToken(t, session)
// Change master branch to protected
// Change the "master" branch to "protected"
req := NewRequestWithValues(t, "POST", "/user2/repo1/settings/branches/edit", map[string]string{
"_csrf": csrf,
"rule_name": "master",
@ -737,10 +738,22 @@ func TestPullAutoMergeAfterCommitStatusSucceed(t *testing.T) {
})
session.MakeRequest(t, req, http.StatusSeeOther)
oldAutoMergeAddToQueue := automergequeue.AddToQueue
addToQueueShaChan := make(chan string, 1)
automergequeue.AddToQueue = func(pr *issues_model.PullRequest, sha string) {
addToQueueShaChan <- sha
}
// first time insert automerge record, return true
scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", false)
assert.NoError(t, err)
assert.True(t, scheduled)
// and the pr should be added to automergequeue, in case it is already "mergeable"
select {
case <-addToQueueShaChan:
case <-time.After(time.Second):
assert.FailNow(t, "Timeout: nothing was added to automergequeue")
}
automergequeue.AddToQueue = oldAutoMergeAddToQueue
// second time insert automerge record, return false because it does exist
scheduled, err = automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", false)
@ -775,13 +788,11 @@ func TestPullAutoMergeAfterCommitStatusSucceed(t *testing.T) {
})
assert.NoError(t, err)
time.Sleep(2 * time.Second)
// realod pr again
pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
assert.True(t, pr.HasMerged)
assert.Eventually(t, func() bool {
pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
return pr.HasMerged
}, 2*time.Second, 100*time.Millisecond)
assert.NotEmpty(t, pr.MergedCommitID)
unittest.AssertNotExistsBean(t, &pull_model.AutoMerge{PullID: pr.ID})
})
}