Move all push update operations to a queue (#10133)

* Fix test

* Add no queue for test only

* improve code

* Auto watch whatever branch operation

* Fix lint

* Rename noqueue to immediate

* Remove old PushUpdate function

* Fix tests

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

16 files changed, 552 insertions, 585 deletions

diff --git a/integrations/mssql.ini.tmpl b/integrations/mssql.ini.tmpl
index cfb3594126..054f848bbe 100644
--- a/integrations/mssql.ini.tmpl
+++ b/integrations/mssql.ini.tmpl
@@ -17,6 +17,9 @@ REPO_INDEXER_PATH = integrations/indexers-mssql/repos.bleve
 [queue.code_indexer]
 TYPE = immediate
 
+[queue.push_update]
+TYPE = immediate
+
 [repository]
 ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-mssql/gitea-repositories
 
@@ -89,4 +92,4 @@ LEVEL                = Debug
 [security]
 INSTALL_LOCK   = true
 SECRET_KEY     = 9pCviYTWSb
-INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE0OTU1NTE2MTh9.hhSVGOANkaKk3vfCd2jDOIww4pUk0xtg9JRde5UogyQ
+INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE0OTU1NTE2MTh9.hhSVGOANkaKk3vfCd2jDOIww4pUk0xtg9JRde5UogyQ
\ No newline at end of file
diff --git a/integrations/mysql.ini.tmpl b/integrations/mysql.ini.tmpl
index 5211a4693a..1bdd95834c 100644
--- a/integrations/mysql.ini.tmpl
+++ b/integrations/mysql.ini.tmpl
@@ -19,6 +19,9 @@ REPO_INDEXER_PATH = integrations/indexers-mysql/repos.bleve
 [queue.code_indexer]
 TYPE = immediate
 
+[queue.push_update]
+TYPE = immediate
+
 [repository]
 ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-mysql/gitea-repositories
 
@@ -109,4 +112,4 @@ LEVEL                = Debug
 [security]
 INSTALL_LOCK   = true
 SECRET_KEY     = 9pCviYTWSb
-INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE0OTU1NTE2MTh9.hhSVGOANkaKk3vfCd2jDOIww4pUk0xtg9JRde5UogyQ
+INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE0OTU1NTE2MTh9.hhSVGOANkaKk3vfCd2jDOIww4pUk0xtg9JRde5UogyQ
\ No newline at end of file
diff --git a/integrations/mysql8.ini.tmpl b/integrations/mysql8.ini.tmpl
index ca77babf4b..e87b9c7944 100644
--- a/integrations/mysql8.ini.tmpl
+++ b/integrations/mysql8.ini.tmpl
@@ -17,6 +17,9 @@ REPO_INDEXER_PATH = integrations/indexers-mysql8/repos.bleve
 [queue.code_indexer]
 TYPE = immediate
 
+[queue.push_update]
+TYPE = immediate
+
 [repository]
 ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-mysql8/gitea-repositories
 
@@ -83,3 +86,4 @@ LEVEL                = Debug
 INSTALL_LOCK   = true
 SECRET_KEY     = 9pCviYTWSb
 INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE0OTU1NTE2MTh9.hhSVGOANkaKk3vfCd2jDOIww4pUk0xtg9JRde5UogyQ
+
diff --git a/integrations/pgsql.ini.tmpl b/integrations/pgsql.ini.tmpl
index 802296cf63..5a2a2d6a57 100644
--- a/integrations/pgsql.ini.tmpl
+++ b/integrations/pgsql.ini.tmpl
@@ -18,6 +18,9 @@ REPO_INDEXER_PATH = integrations/indexers-pgsql/repos.bleve
 [queue.code_indexer]
 TYPE = immediate
 
+[queue.push_update]
+TYPE = immediate
+
 [repository]
 ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-pgsql/gitea-repositories
 
@@ -90,4 +93,4 @@ LEVEL                = Debug
 [security]
 INSTALL_LOCK   = true
 SECRET_KEY     = 9pCviYTWSb
-INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE0OTU1NTE2MTh9.hhSVGOANkaKk3vfCd2jDOIww4pUk0xtg9JRde5UogyQ
+INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE0OTU1NTE2MTh9.hhSVGOANkaKk3vfCd2jDOIww4pUk0xtg9JRde5UogyQ
\ No newline at end of file
diff --git a/integrations/sqlite.ini.tmpl b/integrations/sqlite.ini.tmpl
index 5d54c5f9fa..4c0d40cc4a 100644
--- a/integrations/sqlite.ini.tmpl
+++ b/integrations/sqlite.ini.tmpl
@@ -13,6 +13,9 @@ REPO_INDEXER_PATH    = integrations/indexers-sqlite/repos.bleve
 [queue.code_indexer]
 TYPE = immediate
 
+[queue.push_update]
+TYPE = immediate
+
 [repository]
 ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-sqlite/gitea-repositories
 
diff --git a/modules/repofiles/action.go b/modules/repofiles/action.go
index 05e9fc958d..52cc89dbae 100644
--- a/modules/repofiles/action.go
+++ b/modules/repofiles/action.go
@@ -5,7 +5,6 @@
 package repofiles
 
 import (
-	"encoding/json"
 	"fmt"
 	"html"
 	"regexp"
@@ -14,12 +13,9 @@ import (
 	"time"
 
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/git"
-	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification"
 	"code.gitea.io/gitea/modules/references"
 	"code.gitea.io/gitea/modules/repository"
-	"code.gitea.io/gitea/modules/setting"
 )
 
 const (
@@ -220,140 +216,3 @@ func UpdateIssuesCommit(doer *models.User, repo *models.Repository, commits []*r
 	}
 	return nil
 }
-
-// CommitRepoActionOptions represent options of a new commit action.
-type CommitRepoActionOptions struct {
-	PushUpdateOptions
-
-	RepoOwnerID int64
-	Commits     *repository.PushCommits
-}
-
-// CommitRepoAction adds new commit action to the repository, and prepare
-// corresponding webhooks.
-func CommitRepoAction(optsList ...*CommitRepoActionOptions) error {
-	var pusher *models.User
-	var repo *models.Repository
-	actions := make([]*models.Action, len(optsList))
-
-	for i, opts := range optsList {
-		if pusher == nil || pusher.Name != opts.PusherName {
-			var err error
-			pusher, err = models.GetUserByName(opts.PusherName)
-			if err != nil {
-				return fmt.Errorf("GetUserByName [%s]: %v", opts.PusherName, err)
-			}
-		}
-
-		if repo == nil || repo.OwnerID != opts.RepoOwnerID || repo.Name != opts.RepoName {
-			var err error
-			if repo != nil {
-				// Change repository empty status and update last updated time.
-				if err := models.UpdateRepository(repo, false); err != nil {
-					return fmt.Errorf("UpdateRepository: %v", err)
-				}
-			}
-			repo, err = models.GetRepositoryByName(opts.RepoOwnerID, opts.RepoName)
-			if err != nil {
-				return fmt.Errorf("GetRepositoryByName [owner_id: %d, name: %s]: %v", opts.RepoOwnerID, opts.RepoName, err)
-			}
-		}
-		refName := git.RefEndName(opts.RefFullName)
-
-		// Change default branch and empty status only if pushed ref is non-empty branch.
-		if repo.IsEmpty && opts.IsBranch() && !opts.IsDelRef() {
-			repo.DefaultBranch = refName
-			repo.IsEmpty = false
-			if refName != "master" {
-				gitRepo, err := git.OpenRepository(repo.RepoPath())
-				if err != nil {
-					return err
-				}
-				if err := gitRepo.SetDefaultBranch(repo.DefaultBranch); err != nil {
-					if !git.IsErrUnsupportedVersion(err) {
-						gitRepo.Close()
-						return err
-					}
-				}
-				gitRepo.Close()
-			}
-		}
-
-		opType := models.ActionCommitRepo
-
-		// Check it's tag push or branch.
-		if opts.IsTag() {
-			opType = models.ActionPushTag
-			if opts.IsDelRef() {
-				opType = models.ActionDeleteTag
-			}
-			opts.Commits = &repository.PushCommits{}
-		} else if opts.IsDelRef() {
-			opType = models.ActionDeleteBranch
-			opts.Commits = &repository.PushCommits{}
-		} else {
-			// if not the first commit, set the compare URL.
-			if !opts.IsNewRef() {
-				opts.Commits.CompareURL = repo.ComposeCompareURL(opts.OldCommitID, opts.NewCommitID)
-			}
-
-			if err := UpdateIssuesCommit(pusher, repo, opts.Commits.Commits, refName); err != nil {
-				log.Error("updateIssuesCommit: %v", err)
-			}
-		}
-
-		if len(opts.Commits.Commits) > setting.UI.FeedMaxCommitNum {
-			opts.Commits.Commits = opts.Commits.Commits[:setting.UI.FeedMaxCommitNum]
-		}
-
-		data, err := json.Marshal(opts.Commits)
-		if err != nil {
-			return fmt.Errorf("Marshal: %v", err)
-		}
-
-		actions[i] = &models.Action{
-			ActUserID: pusher.ID,
-			ActUser:   pusher,
-			OpType:    opType,
-			Content:   string(data),
-			RepoID:    repo.ID,
-			Repo:      repo,
-			RefName:   refName,
-			IsPrivate: repo.IsPrivate,
-		}
-
-		var isHookEventPush = true
-		switch opType {
-		case models.ActionCommitRepo: // Push
-			if opts.IsNewBranch() {
-				notification.NotifyCreateRef(pusher, repo, "branch", opts.RefFullName)
-			}
-		case models.ActionDeleteBranch: // Delete Branch
-			notification.NotifyDeleteRef(pusher, repo, "branch", opts.RefFullName)
-
-		case models.ActionPushTag: // Create
-			notification.NotifyCreateRef(pusher, repo, "tag", opts.RefFullName)
-
-		case models.ActionDeleteTag: // Delete Tag
-			notification.NotifyDeleteRef(pusher, repo, "tag", opts.RefFullName)
-		default:
-			isHookEventPush = false
-		}
-
-		if isHookEventPush {
-			notification.NotifyPushCommits(pusher, repo, opts.RefFullName, opts.OldCommitID, opts.NewCommitID, opts.Commits)
-		}
-	}
-
-	if repo != nil {
-		// Change repository empty status and update last updated time.
-		if err := models.UpdateRepository(repo, false); err != nil {
-			return fmt.Errorf("UpdateRepository: %v", err)
-		}
-	}
-
-	if err := models.NotifyWatchers(actions...); err != nil {
-		return fmt.Errorf("NotifyWatchers: %v", err)
-	}
-	return nil
-}
diff --git a/modules/repofiles/action_test.go b/modules/repofiles/action_test.go
index 8ed3ba7b3c..290844de02 100644
--- a/modules/repofiles/action_test.go
+++ b/modules/repofiles/action_test.go
@@ -8,133 +8,12 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/repository"
 	"code.gitea.io/gitea/modules/setting"
 
 	"github.com/stretchr/testify/assert"
 )
 
-func testCorrectRepoAction(t *testing.T, opts *CommitRepoActionOptions, actionBean *models.Action) {
-	models.AssertNotExistsBean(t, actionBean)
-	assert.NoError(t, CommitRepoAction(opts))
-	models.AssertExistsAndLoadBean(t, actionBean)
-	models.CheckConsistencyFor(t, &models.Action{})
-}
-
-func TestCommitRepoAction(t *testing.T) {
-	samples := []struct {
-		userID                  int64
-		repositoryID            int64
-		commitRepoActionOptions CommitRepoActionOptions
-		action                  models.Action
-	}{
-		{
-			userID:       2,
-			repositoryID: 16,
-			commitRepoActionOptions: CommitRepoActionOptions{
-				PushUpdateOptions: PushUpdateOptions{
-					RefFullName: "refName",
-					OldCommitID: "oldCommitID",
-					NewCommitID: "newCommitID",
-				},
-				Commits: &repository.PushCommits{
-					Commits: []*repository.PushCommit{
-						{
-							Sha1:           "69554a6",
-							CommitterEmail: "user2@example.com",
-							CommitterName:  "User2",
-							AuthorEmail:    "user2@example.com",
-							AuthorName:     "User2",
-							Message:        "not signed commit",
-						},
-						{
-							Sha1:           "27566bd",
-							CommitterEmail: "user2@example.com",
-							CommitterName:  "User2",
-							AuthorEmail:    "user2@example.com",
-							AuthorName:     "User2",
-							Message:        "good signed commit (with not yet validated email)",
-						},
-					},
-					Len: 2,
-				},
-			},
-			action: models.Action{
-				OpType:  models.ActionCommitRepo,
-				RefName: "refName",
-			},
-		},
-		{
-			userID:       2,
-			repositoryID: 1,
-			commitRepoActionOptions: CommitRepoActionOptions{
-				PushUpdateOptions: PushUpdateOptions{
-					RefFullName: git.TagPrefix + "v1.1",
-					OldCommitID: git.EmptySHA,
-					NewCommitID: "newCommitID",
-				},
-				Commits: &repository.PushCommits{},
-			},
-			action: models.Action{
-				OpType:  models.ActionPushTag,
-				RefName: "v1.1",
-			},
-		},
-		{
-			userID:       2,
-			repositoryID: 1,
-			commitRepoActionOptions: CommitRepoActionOptions{
-				PushUpdateOptions: PushUpdateOptions{
-					RefFullName: git.TagPrefix + "v1.1",
-					OldCommitID: "oldCommitID",
-					NewCommitID: git.EmptySHA,
-				},
-				Commits: &repository.PushCommits{},
-			},
-			action: models.Action{
-				OpType:  models.ActionDeleteTag,
-				RefName: "v1.1",
-			},
-		},
-		{
-			userID:       2,
-			repositoryID: 1,
-			commitRepoActionOptions: CommitRepoActionOptions{
-				PushUpdateOptions: PushUpdateOptions{
-					RefFullName: git.BranchPrefix + "feature/1",
-					OldCommitID: "oldCommitID",
-					NewCommitID: git.EmptySHA,
-				},
-				Commits: &repository.PushCommits{},
-			},
-			action: models.Action{
-				OpType:  models.ActionDeleteBranch,
-				RefName: "feature/1",
-			},
-		},
-	}
-
-	for _, s := range samples {
-		models.PrepareTestEnv(t)
-
-		user := models.AssertExistsAndLoadBean(t, &models.User{ID: s.userID}).(*models.User)
-		repo := models.AssertExistsAndLoadBean(t, &models.Repository{ID: s.repositoryID, OwnerID: user.ID}).(*models.Repository)
-		repo.Owner = user
-
-		s.commitRepoActionOptions.PusherName = user.Name
-		s.commitRepoActionOptions.RepoOwnerID = user.ID
-		s.commitRepoActionOptions.RepoName = repo.Name
-
-		s.action.ActUserID = user.ID
-		s.action.RepoID = repo.ID
-		s.action.Repo = repo
-		s.action.IsPrivate = repo.IsPrivate
-
-		testCorrectRepoAction(t, &s.commitRepoActionOptions, &s.action)
-	}
-}
-
 func TestUpdateIssuesCommit(t *testing.T) {
 	assert.NoError(t, models.PrepareTestDatabase())
 	pushCommits := []*repository.PushCommit{
diff --git a/modules/repofiles/update.go b/modules/repofiles/update.go
index 84a3bcb64e..dcb87ec92b 100644
--- a/modules/repofiles/update.go
+++ b/modules/repofiles/update.go
@@ -6,14 +6,12 @@ package repofiles
 
 import (
 	"bytes"
-	"container/list"
 	"fmt"
 	"path"
 	"strings"
 	"time"
 
 	"code.gitea.io/gitea/models"
-	"code.gitea.io/gitea/modules/cache"
 	"code.gitea.io/gitea/modules/charset"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/lfs"
@@ -22,7 +20,6 @@ import (
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/storage"
 	"code.gitea.io/gitea/modules/structs"
-	pull_service "code.gitea.io/gitea/services/pull"
 
 	stdcharset "golang.org/x/net/html/charset"
 	"golang.org/x/text/transform"
@@ -466,298 +463,3 @@ func CreateOrUpdateRepoFile(repo *models.Repository, doer *models.User, opts *Up
 	}
 	return file, nil
 }
-
-// PushUpdateOptions defines the push update options
-type PushUpdateOptions struct {
-	PusherID     int64
-	PusherName   string
-	RepoUserName string
-	RepoName     string
-	RefFullName  string
-	OldCommitID  string
-	NewCommitID  string
-}
-
-// IsNewRef return true if it's a first-time push to a branch, tag or etc.
-func (opts PushUpdateOptions) IsNewRef() bool {
-	return opts.OldCommitID == git.EmptySHA
-}
-
-// IsDelRef return true if it's a deletion to a branch or tag
-func (opts PushUpdateOptions) IsDelRef() bool {
-	return opts.NewCommitID == git.EmptySHA
-}
-
-// IsUpdateRef return true if it's an update operation
-func (opts PushUpdateOptions) IsUpdateRef() bool {
-	return !opts.IsNewRef() && !opts.IsDelRef()
-}
-
-// IsTag return true if it's an operation to a tag
-func (opts PushUpdateOptions) IsTag() bool {
-	return strings.HasPrefix(opts.RefFullName, git.TagPrefix)
-}
-
-// IsNewTag return true if it's a creation to a tag
-func (opts PushUpdateOptions) IsNewTag() bool {
-	return opts.IsTag() && opts.IsNewRef()
-}
-
-// IsDelTag return true if it's a deletion to a tag
-func (opts PushUpdateOptions) IsDelTag() bool {
-	return opts.IsTag() && opts.IsDelRef()
-}
-
-// IsBranch return true if it's a push to branch
-func (opts PushUpdateOptions) IsBranch() bool {
-	return strings.HasPrefix(opts.RefFullName, git.BranchPrefix)
-}
-
-// IsNewBranch return true if it's the first-time push to a branch
-func (opts PushUpdateOptions) IsNewBranch() bool {
-	return opts.IsBranch() && opts.IsNewRef()
-}
-
-// IsUpdateBranch return true if it's not the first push to a branch
-func (opts PushUpdateOptions) IsUpdateBranch() bool {
-	return opts.IsBranch() && opts.IsUpdateRef()
-}
-
-// IsDelBranch return true if it's a deletion to a branch
-func (opts PushUpdateOptions) IsDelBranch() bool {
-	return opts.IsBranch() && opts.IsDelRef()
-}
-
-// TagName returns simple tag name if it's an operation to a tag
-func (opts PushUpdateOptions) TagName() string {
-	return opts.RefFullName[len(git.TagPrefix):]
-}
-
-// BranchName returns simple branch name if it's an operation to branch
-func (opts PushUpdateOptions) BranchName() string {
-	return opts.RefFullName[len(git.BranchPrefix):]
-}
-
-// RepoFullName returns repo full name
-func (opts PushUpdateOptions) RepoFullName() string {
-	return opts.RepoUserName + "/" + opts.RepoName
-}
-
-// PushUpdate must be called for any push actions in order to
-// generates necessary push action history feeds and other operations
-func PushUpdate(repo *models.Repository, branch string, opts PushUpdateOptions) error {
-	if opts.IsNewRef() && opts.IsDelRef() {
-		return fmt.Errorf("Old and new revisions are both %s", git.EmptySHA)
-	}
-
-	repoPath := models.RepoPath(opts.RepoUserName, opts.RepoName)
-
-	_, err := git.NewCommand("update-server-info").RunInDir(repoPath)
-	if err != nil {
-		return fmt.Errorf("Failed to call 'git update-server-info': %v", err)
-	}
-
-	gitRepo, err := git.OpenRepository(repoPath)
-	if err != nil {
-		return fmt.Errorf("OpenRepository: %v", err)
-	}
-	defer gitRepo.Close()
-
-	if err = repo.UpdateSize(models.DefaultDBContext()); err != nil {
-		log.Error("Failed to update size for repository: %v", err)
-	}
-
-	var commits = &repo_module.PushCommits{}
-
-	if opts.IsTag() { // If is tag reference
-		tagName := opts.TagName()
-		if opts.IsDelRef() {
-			if err := models.PushUpdateDeleteTag(repo, tagName); err != nil {
-				return fmt.Errorf("PushUpdateDeleteTag: %v", err)
-			}
-		} else {
-			// Clear cache for tag commit count
-			cache.Remove(repo.GetCommitsCountCacheKey(tagName, true))
-			if err := repo_module.PushUpdateAddTag(repo, gitRepo, tagName); err != nil {
-				return fmt.Errorf("PushUpdateAddTag: %v", err)
-			}
-		}
-	} else if opts.IsBranch() { // If is branch reference
-		pusher, err := models.GetUserByID(opts.PusherID)
-		if err != nil {
-			return err
-		}
-
-		if !opts.IsDelRef() {
-			// Clear cache for branch commit count
-			cache.Remove(repo.GetCommitsCountCacheKey(opts.BranchName(), true))
-
-			newCommit, err := gitRepo.GetCommit(opts.NewCommitID)
-			if err != nil {
-				return fmt.Errorf("gitRepo.GetCommit: %v", err)
-			}
-
-			// Push new branch.
-			var l *list.List
-			if opts.IsNewRef() {
-				l, err = newCommit.CommitsBeforeLimit(10)
-				if err != nil {
-					return fmt.Errorf("newCommit.CommitsBeforeLimit: %v", err)
-				}
-			} else {
-				l, err = newCommit.CommitsBeforeUntil(opts.OldCommitID)
-				if err != nil {
-					return fmt.Errorf("newCommit.CommitsBeforeUntil: %v", err)
-				}
-			}
-
-			commits = repo_module.ListToPushCommits(l)
-
-			if err = models.RemoveDeletedBranch(repo.ID, opts.BranchName()); err != nil {
-				log.Error("models.RemoveDeletedBranch %s/%s failed: %v", repo.ID, opts.BranchName(), err)
-			}
-
-			if err = models.WatchIfAuto(opts.PusherID, repo.ID, true); err != nil {
-				log.Warn("Fail to perform auto watch on user %v for repo %v: %v", opts.PusherID, repo.ID, err)
-			}
-
-			log.Trace("TriggerTask '%s/%s' by %s", repo.Name, branch, pusher.Name)
-
-			go pull_service.AddTestPullRequestTask(pusher, repo.ID, branch, true, opts.OldCommitID, opts.NewCommitID)
-		} else if err = pull_service.CloseBranchPulls(pusher, repo.ID, branch); err != nil {
-			// close all related pulls
-			log.Error("close related pull request failed: %v", err)
-		}
-	}
-
-	if err := CommitRepoAction(&CommitRepoActionOptions{
-		PushUpdateOptions: opts,
-		RepoOwnerID:       repo.OwnerID,
-		Commits:           commits,
-	}); err != nil {
-		return fmt.Errorf("CommitRepoAction: %v", err)
-	}
-
-	return nil
-}
-
-// PushUpdates generates push action history feeds for push updating multiple refs
-func PushUpdates(repo *models.Repository, optsList []*PushUpdateOptions) error {
-	repoPath := repo.RepoPath()
-	_, err := git.NewCommand("update-server-info").RunInDir(repoPath)
-	if err != nil {
-		return fmt.Errorf("Failed to call 'git update-server-info': %v", err)
-	}
-	gitRepo, err := git.OpenRepository(repoPath)
-	if err != nil {
-		return fmt.Errorf("OpenRepository: %v", err)
-	}
-	defer gitRepo.Close()
-
-	if err = repo.UpdateSize(models.DefaultDBContext()); err != nil {
-		log.Error("Failed to update size for repository: %v", err)
-	}
-
-	actions, err := createCommitRepoActions(repo, gitRepo, optsList)
-	if err != nil {
-		return err
-	}
-	if err := CommitRepoAction(actions...); err != nil {
-		return fmt.Errorf("CommitRepoAction: %v", err)
-	}
-
-	var pusher *models.User
-
-	for _, opts := range optsList {
-		if !opts.IsBranch() {
-			continue
-		}
-
-		branch := opts.BranchName()
-
-		if pusher == nil || pusher.ID != opts.PusherID {
-			var err error
-			pusher, err = models.GetUserByID(opts.PusherID)
-			if err != nil {
-				return err
-			}
-		}
-
-		if !opts.IsDelRef() {
-			if err = models.RemoveDeletedBranch(repo.ID, branch); err != nil {
-				log.Error("models.RemoveDeletedBranch %s/%s failed: %v", repo.ID, branch, err)
-			}
-
-			if err = models.WatchIfAuto(opts.PusherID, repo.ID, true); err != nil {
-				log.Warn("Fail to perform auto watch on user %v for repo %v: %v", opts.PusherID, repo.ID, err)
-			}
-
-			log.Trace("TriggerTask '%s/%s' by %s", repo.Name, branch, pusher.Name)
-
-			go pull_service.AddTestPullRequestTask(pusher, repo.ID, branch, true, opts.OldCommitID, opts.NewCommitID)
-			// close all related pulls
-		} else if err = pull_service.CloseBranchPulls(pusher, repo.ID, branch); err != nil {
-			log.Error("close related pull request failed: %v", err)
-		}
-	}
-
-	return nil
-}
-
-func createCommitRepoActions(repo *models.Repository, gitRepo *git.Repository, optsList []*PushUpdateOptions) ([]*CommitRepoActionOptions, error) {
-	addTags := make([]string, 0, len(optsList))
-	delTags := make([]string, 0, len(optsList))
-	actions := make([]*CommitRepoActionOptions, 0, len(optsList))
-
-	for _, opts := range optsList {
-		if opts.IsNewRef() && opts.IsDelRef() {
-			return nil, fmt.Errorf("Old and new revisions are both %s", git.EmptySHA)
-		}
-		var commits = &repo_module.PushCommits{}
-		if opts.IsTag() {
-			// If is tag reference
-			tagName := opts.TagName()
-			if opts.IsDelRef() {
-				delTags = append(delTags, tagName)
-			} else {
-				cache.Remove(repo.GetCommitsCountCacheKey(tagName, true))
-				addTags = append(addTags, tagName)
-			}
-		} else if !opts.IsDelRef() {
-			// If is branch reference
-
-			// Clear cache for branch commit count
-			cache.Remove(repo.GetCommitsCountCacheKey(opts.BranchName(), true))
-
-			newCommit, err := gitRepo.GetCommit(opts.NewCommitID)
-			if err != nil {
-				return nil, fmt.Errorf("gitRepo.GetCommit: %v", err)
-			}
-
-			// Push new branch.
-			var l *list.List
-			if opts.IsNewRef() {
-				l, err = newCommit.CommitsBeforeLimit(10)
-				if err != nil {
-					return nil, fmt.Errorf("newCommit.CommitsBeforeLimit: %v", err)
-				}
-			} else {
-				l, err = newCommit.CommitsBeforeUntil(opts.OldCommitID)
-				if err != nil {
-					return nil, fmt.Errorf("newCommit.CommitsBeforeUntil: %v", err)
-				}
-			}
-
-			commits = repo_module.ListToPushCommits(l)
-		}
-		actions = append(actions, &CommitRepoActionOptions{
-			PushUpdateOptions: *opts,
-			RepoOwnerID:       repo.OwnerID,
-			Commits:           commits,
-		})
-	}
-	if err := repo_module.PushUpdateAddDeleteTags(repo, gitRepo, addTags, delTags); err != nil {
-		return nil, fmt.Errorf("PushUpdateAddDeleteTags: %v", err)
-	}
-	return actions, nil
-}
diff --git a/routers/api/v1/repo/branch.go b/routers/api/v1/repo/branch.go
index 90db597ef7..6c63bde948 100644
--- a/routers/api/v1/repo/branch.go
+++ b/routers/api/v1/repo/branch.go
@@ -14,9 +14,9 @@ import (
 	"code.gitea.io/gitea/modules/convert"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
-	"code.gitea.io/gitea/modules/repofiles"
 	repo_module "code.gitea.io/gitea/modules/repository"
 	api "code.gitea.io/gitea/modules/structs"
+	repo_service "code.gitea.io/gitea/services/repository"
 )
 
 // GetBranch get a branch of a repository
@@ -160,10 +160,8 @@ func DeleteBranch(ctx *context.APIContext) {
 	}
 
 	// Don't return error below this
-	if err := repofiles.PushUpdate(
-		ctx.Repo.Repository,
-		ctx.Repo.BranchName,
-		repofiles.PushUpdateOptions{
+	if err := repo_service.PushUpdate(
+		&repo_service.PushUpdateOptions{
 			RefFullName:  git.BranchPrefix + ctx.Repo.BranchName,
 			OldCommitID:  c.ID.String(),
 			NewCommitID:  git.EmptySHA,
diff --git a/routers/init.go b/routers/init.go
index 2f12058ac5..793033f4a4 100644
--- a/routers/init.go
+++ b/routers/init.go
@@ -35,6 +35,7 @@ import (
 	"code.gitea.io/gitea/services/mailer"
 	mirror_service "code.gitea.io/gitea/services/mirror"
 	pull_service "code.gitea.io/gitea/services/pull"
+	"code.gitea.io/gitea/services/repository"
 
 	"gitea.com/macaron/i18n"
 	"gitea.com/macaron/macaron"
@@ -58,6 +59,9 @@ func NewServices() {
 	if err := storage.Init(); err != nil {
 		log.Fatal("storage init failed: %v", err)
 	}
+	if err := repository.NewContext(); err != nil {
+		log.Fatal("repository init failed: %v", err)
+	}
 	mailer.NewContext()
 	_ = cache.NewContext()
 	notification.NewContext()
diff --git a/routers/private/hook.go b/routers/private/hook.go
index 2bccca3e3e..05f0b124c5 100644
--- a/routers/private/hook.go
+++ b/routers/private/hook.go
@@ -18,10 +18,10 @@ import (
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/private"
-	"code.gitea.io/gitea/modules/repofiles"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/util"
 	pull_service "code.gitea.io/gitea/services/pull"
+	repo_service "code.gitea.io/gitea/services/repository"
 
 	"gitea.com/macaron/macaron"
 	"github.com/go-git/go-git/v5/plumbing"
@@ -376,7 +376,7 @@ func HookPostReceive(ctx *macaron.Context, opts private.HookOptions) {
 	repoName := ctx.Params(":repo")
 
 	var repo *models.Repository
-	updates := make([]*repofiles.PushUpdateOptions, 0, len(opts.OldCommitIDs))
+	updates := make([]*repo_service.PushUpdateOptions, 0, len(opts.OldCommitIDs))
 	wasEmpty := false
 
 	for i := range opts.OldCommitIDs {
@@ -403,7 +403,7 @@ func HookPostReceive(ctx *macaron.Context, opts private.HookOptions) {
 				wasEmpty = repo.IsEmpty
 			}
 
-			option := repofiles.PushUpdateOptions{
+			option := repo_service.PushUpdateOptions{
 				RefFullName:  refFullName,
 				OldCommitID:  opts.OldCommitIDs[i],
 				NewCommitID:  opts.NewCommitIDs[i],
@@ -422,7 +422,7 @@ func HookPostReceive(ctx *macaron.Context, opts private.HookOptions) {
 	}
 
 	if repo != nil && len(updates) > 0 {
-		if err := repofiles.PushUpdates(repo, updates); err != nil {
+		if err := repo_service.PushUpdates(updates); err != nil {
 			log.Error("Failed to Update: %s/%s Total Updates: %d", ownerName, repoName, len(updates))
 			for i, update := range updates {
 				log.Error("Failed to Update: %s/%s Update: %d/%d: Branch: %s", ownerName, repoName, i, len(updates), update.BranchName())
diff --git a/routers/repo/branch.go b/routers/repo/branch.go
index 4d8b9158fe..0ca77cbf6f 100644
--- a/routers/repo/branch.go
+++ b/routers/repo/branch.go
@@ -19,6 +19,7 @@ import (
 	repo_module "code.gitea.io/gitea/modules/repository"
 	"code.gitea.io/gitea/modules/util"
 	"code.gitea.io/gitea/routers/utils"
+	repo_service "code.gitea.io/gitea/services/repository"
 )
 
 const (
@@ -118,10 +119,8 @@ func RestoreBranchPost(ctx *context.Context) {
 	}
 
 	// Don't return error below this
-	if err := repofiles.PushUpdate(
-		ctx.Repo.Repository,
-		deletedBranch.Name,
-		repofiles.PushUpdateOptions{
+	if err := repo_service.PushUpdate(
+		&repo_service.PushUpdateOptions{
 			RefFullName:  git.BranchPrefix + deletedBranch.Name,
 			OldCommitID:  git.EmptySHA,
 			NewCommitID:  deletedBranch.Commit,
@@ -157,10 +156,8 @@ func deleteBranch(ctx *context.Context, branchName string) error {
 	}
 
 	// Don't return error below this
-	if err := repofiles.PushUpdate(
-		ctx.Repo.Repository,
-		branchName,
-		repofiles.PushUpdateOptions{
+	if err := repo_service.PushUpdate(
+		&repo_service.PushUpdateOptions{
 			RefFullName:  git.BranchPrefix + branchName,
 			OldCommitID:  commit.ID.String(),
 			NewCommitID:  git.EmptySHA,
diff --git a/routers/repo/pull.go b/routers/repo/pull.go
index a19dbb5cb3..a6f7a70744 100644
--- a/routers/repo/pull.go
+++ b/routers/repo/pull.go
@@ -22,7 +22,6 @@ import (
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification"
-	"code.gitea.io/gitea/modules/repofiles"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/util"
@@ -1124,10 +1123,8 @@ func CleanUpPullRequest(ctx *context.Context) {
 		return
 	}
 
-	if err := repofiles.PushUpdate(
-		pr.HeadRepo,
-		pr.HeadBranch,
-		repofiles.PushUpdateOptions{
+	if err := repo_service.PushUpdate(
+		&repo_service.PushUpdateOptions{
 			RefFullName:  git.BranchPrefix + pr.HeadBranch,
 			OldCommitID:  branchCommitID,
 			NewCommitID:  git.EmptySHA,
diff --git a/services/repository/push.go b/services/repository/push.go
new file mode 100644
index 0000000000..05871dea53
--- /dev/null
+++ b/services/repository/push.go
@@ -0,0 +1,371 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repository
+
+import (
+	"container/list"
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/cache"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/graceful"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/notification"
+	"code.gitea.io/gitea/modules/queue"
+	"code.gitea.io/gitea/modules/repofiles"
+	repo_module "code.gitea.io/gitea/modules/repository"
+	"code.gitea.io/gitea/modules/setting"
+	pull_service "code.gitea.io/gitea/services/pull"
+)
+
+// PushUpdateOptions defines the push update options
+type PushUpdateOptions struct {
+	PusherID     int64
+	PusherName   string
+	RepoUserName string
+	RepoName     string
+	RefFullName  string
+	OldCommitID  string
+	NewCommitID  string
+}
+
+// IsNewRef return true if it's a first-time push to a branch, tag or etc.
+func (opts PushUpdateOptions) IsNewRef() bool {
+	return opts.OldCommitID == git.EmptySHA
+}
+
+// IsDelRef return true if it's a deletion to a branch or tag
+func (opts PushUpdateOptions) IsDelRef() bool {
+	return opts.NewCommitID == git.EmptySHA
+}
+
+// IsUpdateRef return true if it's an update operation
+func (opts PushUpdateOptions) IsUpdateRef() bool {
+	return !opts.IsNewRef() && !opts.IsDelRef()
+}
+
+// IsTag return true if it's an operation to a tag
+func (opts PushUpdateOptions) IsTag() bool {
+	return strings.HasPrefix(opts.RefFullName, git.TagPrefix)
+}
+
+// IsNewTag return true if it's a creation to a tag
+func (opts PushUpdateOptions) IsNewTag() bool {
+	return opts.IsTag() && opts.IsNewRef()
+}
+
+// IsDelTag return true if it's a deletion to a tag
+func (opts PushUpdateOptions) IsDelTag() bool {
+	return opts.IsTag() && opts.IsDelRef()
+}
+
+// IsBranch return true if it's a push to branch
+func (opts PushUpdateOptions) IsBranch() bool {
+	return strings.HasPrefix(opts.RefFullName, git.BranchPrefix)
+}
+
+// IsNewBranch return true if it's the first-time push to a branch
+func (opts PushUpdateOptions) IsNewBranch() bool {
+	return opts.IsBranch() && opts.IsNewRef()
+}
+
+// IsUpdateBranch return true if it's not the first push to a branch
+func (opts PushUpdateOptions) IsUpdateBranch() bool {
+	return opts.IsBranch() && opts.IsUpdateRef()
+}
+
+// IsDelBranch return true if it's a deletion to a branch
+func (opts PushUpdateOptions) IsDelBranch() bool {
+	return opts.IsBranch() && opts.IsDelRef()
+}
+
+// TagName returns simple tag name if it's an operation to a tag
+func (opts PushUpdateOptions) TagName() string {
+	return opts.RefFullName[len(git.TagPrefix):]
+}
+
+// BranchName returns simple branch name if it's an operation to branch
+func (opts PushUpdateOptions) BranchName() string {
+	return opts.RefFullName[len(git.BranchPrefix):]
+}
+
+// RepoFullName returns repo full name
+func (opts PushUpdateOptions) RepoFullName() string {
+	return opts.RepoUserName + "/" + opts.RepoName
+}
+
+// pushQueue represents a queue to handle update pull request tests
+var pushQueue queue.Queue
+
+// handle passed PR IDs and test the PRs
+func handle(data ...queue.Data) {
+	for _, datum := range data {
+		opts := datum.([]*PushUpdateOptions)
+		if err := pushUpdates(opts); err != nil {
+			log.Error("pushUpdate failed: %v", err)
+		}
+	}
+}
+
+func initPushQueue() error {
+	pushQueue = queue.CreateQueue("push_update", handle, []*PushUpdateOptions{}).(queue.Queue)
+	if pushQueue == nil {
+		return fmt.Errorf("Unable to create push_update Queue")
+	}
+
+	go graceful.GetManager().RunWithShutdownFns(pushQueue.Run)
+	return nil
+}
+
+// PushUpdate is an alias of PushUpdates for single push update options
+func PushUpdate(opts *PushUpdateOptions) error {
+	return PushUpdates([]*PushUpdateOptions{opts})
+}
+
+// PushUpdates adds a push update to push queue
+func PushUpdates(opts []*PushUpdateOptions) error {
+	if len(opts) == 0 {
+		return nil
+	}
+
+	for _, opt := range opts {
+		if opt.IsNewRef() && opt.IsDelRef() {
+			return fmt.Errorf("Old and new revisions are both %s", git.EmptySHA)
+		}
+	}
+
+	return pushQueue.Push(opts)
+}
+
+// pushUpdates generates push action history feeds for push updating multiple refs
+func pushUpdates(optsList []*PushUpdateOptions) error {
+	if len(optsList) == 0 {
+		return nil
+	}
+
+	repo, err := models.GetRepositoryByOwnerAndName(optsList[0].RepoUserName, optsList[0].RepoName)
+	if err != nil {
+		return fmt.Errorf("GetRepositoryByOwnerAndName failed: %v", err)
+	}
+
+	repoPath := repo.RepoPath()
+	_, err = git.NewCommand("update-server-info").RunInDir(repoPath)
+	if err != nil {
+		return fmt.Errorf("Failed to call 'git update-server-info': %v", err)
+	}
+	gitRepo, err := git.OpenRepository(repoPath)
+	if err != nil {
+		return fmt.Errorf("OpenRepository: %v", err)
+	}
+	defer gitRepo.Close()
+
+	if err = repo.UpdateSize(models.DefaultDBContext()); err != nil {
+		log.Error("Failed to update size for repository: %v", err)
+	}
+
+	addTags := make([]string, 0, len(optsList))
+	delTags := make([]string, 0, len(optsList))
+	actions := make([]*commitRepoActionOptions, 0, len(optsList))
+	var pusher *models.User
+
+	for _, opts := range optsList {
+		if opts.IsNewRef() && opts.IsDelRef() {
+			return fmt.Errorf("Old and new revisions are both %s", git.EmptySHA)
+		}
+		var commits = &repo_module.PushCommits{}
+		if opts.IsTag() { // If is tag reference {
+			tagName := opts.TagName()
+			if opts.IsDelRef() {
+				delTags = append(delTags, tagName)
+			} else { // is new tag
+				cache.Remove(repo.GetCommitsCountCacheKey(tagName, true))
+				addTags = append(addTags, tagName)
+			}
+		} else if opts.IsBranch() { // If is branch reference
+			if pusher == nil || pusher.ID != opts.PusherID {
+				var err error
+				if pusher, err = models.GetUserByID(opts.PusherID); err != nil {
+					return err
+				}
+			}
+
+			branch := opts.BranchName()
+			if !opts.IsDelRef() {
+				// Clear cache for branch commit count
+				cache.Remove(repo.GetCommitsCountCacheKey(opts.BranchName(), true))
+
+				newCommit, err := gitRepo.GetCommit(opts.NewCommitID)
+				if err != nil {
+					return fmt.Errorf("gitRepo.GetCommit: %v", err)
+				}
+
+				// Push new branch.
+				var l *list.List
+				if opts.IsNewRef() {
+					l, err = newCommit.CommitsBeforeLimit(10)
+					if err != nil {
+						return fmt.Errorf("newCommit.CommitsBeforeLimit: %v", err)
+					}
+				} else {
+					l, err = newCommit.CommitsBeforeUntil(opts.OldCommitID)
+					if err != nil {
+						return fmt.Errorf("newCommit.CommitsBeforeUntil: %v", err)
+					}
+				}
+
+				commits = repo_module.ListToPushCommits(l)
+
+				if err = models.RemoveDeletedBranch(repo.ID, branch); err != nil {
+					log.Error("models.RemoveDeletedBranch %s/%s failed: %v", repo.ID, branch, err)
+				}
+
+				log.Trace("TriggerTask '%s/%s' by %s", repo.Name, branch, pusher.Name)
+
+				go pull_service.AddTestPullRequestTask(pusher, repo.ID, branch, true, opts.OldCommitID, opts.NewCommitID)
+			} else if err = pull_service.CloseBranchPulls(pusher, repo.ID, branch); err != nil {
+				// close all related pulls
+				log.Error("close related pull request failed: %v", err)
+			}
+
+			// Even if user delete a branch on a repository which he didn't watch, he will be watch that.
+			if err = models.WatchIfAuto(opts.PusherID, repo.ID, true); err != nil {
+				log.Warn("Fail to perform auto watch on user %v for repo %v: %v", opts.PusherID, repo.ID, err)
+			}
+		}
+		actions = append(actions, &commitRepoActionOptions{
+			PushUpdateOptions: *opts,
+			Pusher:            pusher,
+			RepoOwnerID:       repo.OwnerID,
+			Commits:           commits,
+		})
+	}
+	if err := repo_module.PushUpdateAddDeleteTags(repo, gitRepo, addTags, delTags); err != nil {
+		return fmt.Errorf("PushUpdateAddDeleteTags: %v", err)
+	}
+
+	if err := commitRepoAction(repo, gitRepo, actions...); err != nil {
+		return fmt.Errorf("commitRepoAction: %v", err)
+	}
+
+	return nil
+}
+
+// commitRepoActionOptions represent options of a new commit action.
+type commitRepoActionOptions struct {
+	PushUpdateOptions
+
+	Pusher      *models.User
+	RepoOwnerID int64
+	Commits     *repo_module.PushCommits
+}
+
+// commitRepoAction adds new commit action to the repository, and prepare
+// corresponding webhooks.
+func commitRepoAction(repo *models.Repository, gitRepo *git.Repository, optsList ...*commitRepoActionOptions) error {
+	actions := make([]*models.Action, len(optsList))
+
+	for i, opts := range optsList {
+		if opts.Pusher == nil || opts.Pusher.Name != opts.PusherName {
+			var err error
+			opts.Pusher, err = models.GetUserByName(opts.PusherName)
+			if err != nil {
+				return fmt.Errorf("GetUserByName [%s]: %v", opts.PusherName, err)
+			}
+		}
+
+		refName := git.RefEndName(opts.RefFullName)
+
+		// Change default branch and empty status only if pushed ref is non-empty branch.
+		if repo.IsEmpty && opts.IsBranch() && !opts.IsDelRef() {
+			repo.DefaultBranch = refName
+			repo.IsEmpty = false
+			if refName != "master" {
+				if err := gitRepo.SetDefaultBranch(repo.DefaultBranch); err != nil {
+					if !git.IsErrUnsupportedVersion(err) {
+						return err
+					}
+				}
+			}
+		}
+
+		opType := models.ActionCommitRepo
+
+		// Check it's tag push or branch.
+		if opts.IsTag() {
+			opType = models.ActionPushTag
+			if opts.IsDelRef() {
+				opType = models.ActionDeleteTag
+			}
+			opts.Commits = &repo_module.PushCommits{}
+		} else if opts.IsDelRef() {
+			opType = models.ActionDeleteBranch
+			opts.Commits = &repo_module.PushCommits{}
+		} else {
+			// if not the first commit, set the compare URL.
+			if !opts.IsNewRef() {
+				opts.Commits.CompareURL = repo.ComposeCompareURL(opts.OldCommitID, opts.NewCommitID)
+			}
+
+			if err := repofiles.UpdateIssuesCommit(opts.Pusher, repo, opts.Commits.Commits, refName); err != nil {
+				log.Error("updateIssuesCommit: %v", err)
+			}
+		}
+
+		if len(opts.Commits.Commits) > setting.UI.FeedMaxCommitNum {
+			opts.Commits.Commits = opts.Commits.Commits[:setting.UI.FeedMaxCommitNum]
+		}
+
+		data, err := json.Marshal(opts.Commits)
+		if err != nil {
+			return fmt.Errorf("Marshal: %v", err)
+		}
+
+		actions[i] = &models.Action{
+			ActUserID: opts.Pusher.ID,
+			ActUser:   opts.Pusher,
+			OpType:    opType,
+			Content:   string(data),
+			RepoID:    repo.ID,
+			Repo:      repo,
+			RefName:   refName,
+			IsPrivate: repo.IsPrivate,
+		}
+
+		var isHookEventPush = true
+		switch opType {
+		case models.ActionCommitRepo: // Push
+			if opts.IsNewBranch() {
+				notification.NotifyCreateRef(opts.Pusher, repo, "branch", opts.RefFullName)
+			}
+		case models.ActionDeleteBranch: // Delete Branch
+			notification.NotifyDeleteRef(opts.Pusher, repo, "branch", opts.RefFullName)
+
+		case models.ActionPushTag: // Create
+			notification.NotifyCreateRef(opts.Pusher, repo, "tag", opts.RefFullName)
+
+		case models.ActionDeleteTag: // Delete Tag
+			notification.NotifyDeleteRef(opts.Pusher, repo, "tag", opts.RefFullName)
+		default:
+			isHookEventPush = false
+		}
+
+		if isHookEventPush {
+			notification.NotifyPushCommits(opts.Pusher, repo, opts.RefFullName, opts.OldCommitID, opts.NewCommitID, opts.Commits)
+		}
+	}
+
+	// Change repository empty status and update last updated time.
+	if err := models.UpdateRepository(repo, false); err != nil {
+		return fmt.Errorf("UpdateRepository: %v", err)
+	}
+
+	if err := models.NotifyWatchers(actions...); err != nil {
+		return fmt.Errorf("NotifyWatchers: %v", err)
+	}
+	return nil
+}
diff --git a/services/repository/push_test.go b/services/repository/push_test.go
new file mode 100644
index 0000000000..19ffab45e7
--- /dev/null
+++ b/services/repository/push_test.go
@@ -0,0 +1,139 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repository
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/git"
+	repo_module "code.gitea.io/gitea/modules/repository"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func testCorrectRepoAction(t *testing.T, repo *models.Repository, gitRepo *git.Repository, opts *commitRepoActionOptions, actionBean *models.Action) {
+	models.AssertNotExistsBean(t, actionBean)
+	assert.NoError(t, commitRepoAction(repo, gitRepo, opts))
+	models.AssertExistsAndLoadBean(t, actionBean)
+	models.CheckConsistencyFor(t, &models.Action{})
+}
+
+func TestCommitRepoAction(t *testing.T) {
+	samples := []struct {
+		userID                  int64
+		repositoryID            int64
+		commitRepoActionOptions commitRepoActionOptions
+		action                  models.Action
+	}{
+		{
+			userID:       2,
+			repositoryID: 16,
+			commitRepoActionOptions: commitRepoActionOptions{
+				PushUpdateOptions: PushUpdateOptions{
+					RefFullName: "refName",
+					OldCommitID: "oldCommitID",
+					NewCommitID: "newCommitID",
+				},
+				Commits: &repo_module.PushCommits{
+					Commits: []*repo_module.PushCommit{
+						{
+							Sha1:           "69554a6",
+							CommitterEmail: "user2@example.com",
+							CommitterName:  "User2",
+							AuthorEmail:    "user2@example.com",
+							AuthorName:     "User2",
+							Message:        "not signed commit",
+						},
+						{
+							Sha1:           "27566bd",
+							CommitterEmail: "user2@example.com",
+							CommitterName:  "User2",
+							AuthorEmail:    "user2@example.com",
+							AuthorName:     "User2",
+							Message:        "good signed commit (with not yet validated email)",
+						},
+					},
+					Len: 2,
+				},
+			},
+			action: models.Action{
+				OpType:  models.ActionCommitRepo,
+				RefName: "refName",
+			},
+		},
+		{
+			userID:       2,
+			repositoryID: 1,
+			commitRepoActionOptions: commitRepoActionOptions{
+				PushUpdateOptions: PushUpdateOptions{
+					RefFullName: git.TagPrefix + "v1.1",
+					OldCommitID: git.EmptySHA,
+					NewCommitID: "newCommitID",
+				},
+				Commits: &repo_module.PushCommits{},
+			},
+			action: models.Action{
+				OpType:  models.ActionPushTag,
+				RefName: "v1.1",
+			},
+		},
+		{
+			userID:       2,
+			repositoryID: 1,
+			commitRepoActionOptions: commitRepoActionOptions{
+				PushUpdateOptions: PushUpdateOptions{
+					RefFullName: git.TagPrefix + "v1.1",
+					OldCommitID: "oldCommitID",
+					NewCommitID: git.EmptySHA,
+				},
+				Commits: &repo_module.PushCommits{},
+			},
+			action: models.Action{
+				OpType:  models.ActionDeleteTag,
+				RefName: "v1.1",
+			},
+		},
+		{
+			userID:       2,
+			repositoryID: 1,
+			commitRepoActionOptions: commitRepoActionOptions{
+				PushUpdateOptions: PushUpdateOptions{
+					RefFullName: git.BranchPrefix + "feature/1",
+					OldCommitID: "oldCommitID",
+					NewCommitID: git.EmptySHA,
+				},
+				Commits: &repo_module.PushCommits{},
+			},
+			action: models.Action{
+				OpType:  models.ActionDeleteBranch,
+				RefName: "feature/1",
+			},
+		},
+	}
+
+	for _, s := range samples {
+		models.PrepareTestEnv(t)
+
+		user := models.AssertExistsAndLoadBean(t, &models.User{ID: s.userID}).(*models.User)
+		repo := models.AssertExistsAndLoadBean(t, &models.Repository{ID: s.repositoryID, OwnerID: user.ID}).(*models.Repository)
+		repo.Owner = user
+
+		gitRepo, err := git.OpenRepository(repo.RepoPath())
+		assert.NoError(t, err)
+
+		s.commitRepoActionOptions.PusherName = user.Name
+		s.commitRepoActionOptions.RepoOwnerID = user.ID
+		s.commitRepoActionOptions.RepoName = repo.Name
+
+		s.action.ActUserID = user.ID
+		s.action.RepoID = repo.ID
+		s.action.Repo = repo
+		s.action.IsPrivate = repo.IsPrivate
+
+		testCorrectRepoAction(t, repo, gitRepo, &s.commitRepoActionOptions, &s.action)
+		gitRepo.Close()
+	}
+}
diff --git a/services/repository/repository.go b/services/repository/repository.go
index f50b98b640..77c8728d94 100644
--- a/services/repository/repository.go
+++ b/services/repository/repository.go
@@ -87,3 +87,8 @@ func PushCreateRepo(authUser, owner *models.User, repoName string) (*models.Repo
 
 	return repo, nil
 }
+
+// NewContext start repository service
+func NewContext() error {
+	return initPushQueue()
+}