add skip ci support for pull request title (#29774)

Extends #28075 to support [skip ci] inside PR titles.

Close #29265

(cherry picked from commit 7a90e5954f8515329f20ff0e391130e1ee7b8864)

Conflicts:
	services/actions/notifier_helper.go
	tests/integration/actions_trigger_test.go
	conflicts easily resolved because of
	[TESTS] Convert more tests to CreateDeclarativeRepo
	[ACTIONS] skip superflous pull request synchronized event (#2314)

custom/conf/app.example.ini

@@ -2623,7 +2623,7 @@ LEVEL = Info
 ;ENDLESS_TASK_TIMEOUT = 3h
 ;; Timeout to cancel the jobs which have waiting status, but haven't been picked by a runner for a long time
 ;ABANDONED_JOB_TIMEOUT = 24h
-;; Strings committers can place inside a commit message to skip executing the corresponding actions workflow
+;; Strings committers can place inside a commit message or PR title to skip executing the corresponding actions workflow
 ;SKIP_WORKFLOW_STRINGS = [skip ci],[ci skip],[no ci],[skip actions],[actions skip]
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

docs/content/administration/config-cheat-sheet.en-us.md

@@ -1422,7 +1422,7 @@ PROXY_HOSTS = *.github.com
 - `ZOMBIE_TASK_TIMEOUT`: **10m**: Timeout to stop the task which have running status, but haven't been updated for a long time
 - `ENDLESS_TASK_TIMEOUT`: **3h**: Timeout to stop the tasks which have running status and continuous updates, but don't end for a long time
 - `ABANDONED_JOB_TIMEOUT`: **24h**: Timeout to cancel the jobs which have waiting status, but haven't been picked by a runner for a long time
-- `SKIP_WORKFLOW_STRINGS`: **[skip ci],[ci skip],[no ci],[skip actions],[actions skip]**: Strings committers can place inside a commit message to skip executing the corresponding actions workflow
+- `SKIP_WORKFLOW_STRINGS`: **[skip ci],[ci skip],[no ci],[skip actions],[actions skip]**: Strings committers can place inside a commit message or PR title to skip executing the corresponding actions workflow
 
 `DEFAULT_ACTIONS_URL` indicates where the Gitea Actions runners should find the actions with relative path.
 For example, `uses: actions/checkout@v4` means `https://github.com/actions/checkout@v4` since the value of `DEFAULT_ACTIONS_URL` is `github`.

services/actions/notifier_helper.go

@@ -154,7 +154,7 @@ func notify(ctx context.Context, input *notifyInput) error {
 		return fmt.Errorf("gitRepo.GetCommit: %w", err)
 	}
 
-	if skipWorkflowsForCommit(input, commit) {
+	if skipWorkflows(input, commit) {
 		return nil
 	}
 
@@ -232,8 +232,8 @@ func SkipPullRequestEvent(ctx context.Context, event webhook_module.HookEventTyp
 	return exist
 }
 
-func skipWorkflowsForCommit(input *notifyInput, commit *git.Commit) bool {
-	// skip workflow runs with a configured skip-ci string in commit message if the event is push or pull_request(_sync)
+func skipWorkflows(input *notifyInput, commit *git.Commit) bool {
+	// skip workflow runs with a configured skip-ci string in commit message or pr title if the event is push or pull_request(_sync)
 	// https://docs.github.com/en/actions/managing-workflow-runs/skipping-workflow-runs
 	skipWorkflowEvents := []webhook_module.HookEventType{
 		webhook_module.HookEventPush,
@@ -242,6 +242,10 @@ func skipWorkflowsForCommit(input *notifyInput, commit *git.Commit) bool {
 	}
 	if slices.Contains(skipWorkflowEvents, input.Event) {
 		for _, s := range setting.Actions.SkipWorkflowStrings {
+			if input.PullRequest != nil && strings.Contains(input.PullRequest.Issue.Title, s) {
+				log.Debug("repo %s: skipped run for pr %v because of %s string", input.Repo.RepoPath(), input.PullRequest.Issue.ID, s)
+				return true
+			}
 			if strings.Contains(commit.CommitMessage, s) {
 				log.Debug("repo %s with commit %s: skipped run because of %s string", input.Repo.RepoPath(), commit.ID, s)
 				return true

tests/integration/actions_trigger_test.go

@@ -18,6 +18,7 @@ import (
 	actions_module "code.gitea.io/gitea/modules/actions"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/test"
 	webhook_module "code.gitea.io/gitea/modules/webhook"
 	actions_service "code.gitea.io/gitea/services/actions"
 	pull_service "code.gitea.io/gitea/services/pull"
@@ -186,6 +187,7 @@ func TestPullRequestTargetEvent(t *testing.T) {
 
 func TestSkipCI(t *testing.T) {
 	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		session := loginUser(t, "user2")
 		user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
 
 		// create the repo
@@ -195,7 +197,7 @@ func TestSkipCI(t *testing.T) {
 				{
 					Operation:     "create",
 					TreePath:      ".gitea/workflows/pr.yml",
-					ContentReader: strings.NewReader("name: test\non:\n  push:\njobs:\n  test:\n    runs-on: ubuntu-latest\n    steps:\n      - run: echo helloworld\n"),
+					ContentReader: strings.NewReader("name: test\non:\n  push:\n    branches: [main]\n  pull_request:\njobs:\n  test:\n    runs-on: ubuntu-latest\n    steps:\n      - run: echo helloworld\n"),
 				},
 			},
 		)
@@ -234,5 +236,42 @@ func TestSkipCI(t *testing.T) {
 
 		// the commit message contains a configured skip-ci string, so there is still only 1 record
 		assert.Equal(t, 1, unittest.GetCount(t, &actions_model.ActionRun{RepoID: repo.ID}))
+
+		// add file to new branch
+		addFileToBranchResp, err := files_service.ChangeRepoFiles(git.DefaultContext, repo, user2, &files_service.ChangeRepoFilesOptions{
+			Files: []*files_service.ChangeRepoFile{
+				{
+					Operation:     "create",
+					TreePath:      "test-skip-ci",
+					ContentReader: strings.NewReader("test-skip-ci"),
+				},
+			},
+			Message:   "add test file",
+			OldBranch: "main",
+			NewBranch: "test-skip-ci",
+			Author: &files_service.IdentityOptions{
+				Name:  user2.Name,
+				Email: user2.Email,
+			},
+			Committer: &files_service.IdentityOptions{
+				Name:  user2.Name,
+				Email: user2.Email,
+			},
+			Dates: &files_service.CommitDateOptions{
+				Author:    time.Now(),
+				Committer: time.Now(),
+			},
+		})
+		assert.NoError(t, err)
+		assert.NotEmpty(t, addFileToBranchResp)
+
+		resp := testPullCreate(t, session, "user2", "skip-ci", true, "main", "test-skip-ci", "[skip ci] test-skip-ci")
+
+		// check the redirected URL
+		url := test.RedirectURL(resp)
+		assert.Regexp(t, "^/user2/skip-ci/pulls/[0-9]*$", url)
+
+		// the pr title contains a configured skip-ci string, so there is still only 1 record
+		assert.Equal(t, 1, unittest.GetCount(t, &actions_model.ActionRun{RepoID: repo.ID}))
 	})
 }