导入仓库同步功能

2026-04-28 11:23:57 +08:00
16 changed files with 1910 additions and 117 deletions
--- a/.devops/gitlink正式环境.yml
+++ b/.devops/gitlink正式环境.yml
@ -1,68 +0,0 @@
-version: 2
-name: gitlink正式环境
-description: ""
-global:
-  concurrent: 1
-workflow:
-  - ref: start
-    name: 开始
-    task: start
-  - ref: git_clone_0
-    name: git clone
-    on-failure: ignore
-    task: git_clone@1.2.6
-    input:
-      remote_url: '"https://gitlink.org.cn/Gitlink/gitea_hat.git"'
-      ref: '"refs/heads/master"'
-      commit_id: '""'
-      depth: 1
-    needs:
-      - start
-  - ref: end
-    name: 结束
-    task: end
-    needs:
-      - gitlink_ssh_cmd_0
-  - ref: gitlink_scp_resource_0
-    name: scp复制文件（支持跳板机）
-    on-failure: ignore
-    task: yystopf/gitlink_scp_resource@0.0.7
-    input:
-      ssh_private_key: ((ssh.siyao))
-      remote_host: '"10.9.117.109"'
-      remote_port: '"22"'
-      remote_user: '"root"'
-      remote_file: '"/root/gitea"'
-      local_file: golang_build_node_0.bin_dir
-      gateway_host: '"123.59.135.93"'
-      gateway_port: '"51123"'
-      gateway_user: '"pdl"'
-      temp_file: '"/home/pdl/gitea"'
-    needs:
-      - golang_build_node_0
-  - ref: golang_build_node_0
-    name: golang_build_node
-    on-failure: ignore
-    task: yystopf/golang_build_node@0.0.2
-    input:
-      workspace: git_clone_0.git_path
-      out_bin_name: '"gitea"'
-      goos: '"linux"'
-      goarch: '"amd64"'
-    needs:
-      - git_clone_0
-  - ref: gitlink_ssh_cmd_0
-    name: ssh执行命令（支持跳板机）
-    task: yystopf/gitlink_ssh_cmd@0.0.6
-    input:
-      ssh_private_key: ((ssh.siyao))
-      remote_host: '"10.9.117.109"'
-      remote_port: '"22"'
-      remote_user: '"root"'
-      gateway_host: '"123.59.135.93"'
-      gateway_port: '"51123"'
-      gateway_user: '"pdl"'
-      ssh_cmd: '"sh update.sh"'
-    needs:
-      - gitlink_scp_resource_0
-
--- a/.devops/test.yml
+++ b/.devops/test.yml
@ -1,40 +0,0 @@
-version: 2
-name: test
-description: ""
-global:
-  concurrent: 1
-trigger:
-  webhook: gitlink@1.0.0
-  event:
-    - ref: push
-      ruleset-operator: AND
-workflow:
-  - ref: start
-    name: 开始
-    task: start
-  - ref: git_clone_0
-    name: git clone
-    task: git_clone@1.2.9
-    input:
-      remote_url: '""'
-      ref: '"refs/heads/master"'
-      commit_id: '""'
-      depth: 1
-    needs:
-      - start
-  - ref: golong_build_122_0
-    name: golang build 1.22
-    task: dagege/golong_build_122@1.0.4
-    input:
-      workspace: git_clone_0.git_path
-      out_bin_name: catpaw
-      GOOS: '"linux"'
-      GOARCH: '"amd64"'
-    needs:
-      - git_clone_0
-  - ref: end
-    name: 结束
-    task: end
-    needs:
-      - golong_build_122_0
-
--- a/README.md
+++ b/README.md
@ -42,10 +42,6 @@

 ## 编译

-```
-sh build.sh
-```
-
 类Linux平台，在项目根目录运行：
 ```shell
 # 编译Linux 64位可执行程序
--- a/go.sum
+++ b/go.sum
@ -850,8 +850,9 @@ github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304/go.mod h1
 github.com/smartystreets/assertions v1.1.1 h1:T/YLemO5Yp7KPzS+lVtu+WsHn8yoSwTfItdAd1r3cck=
 github.com/smartystreets/assertions v1.1.1/go.mod h1:tcbTF8ujkAEcZ8TElKY+i30BzYlVhC/LOxJk7iOWnoo=
 github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s=
-github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337 h1:WN9BUFbdyOsSH/XohnWpXOlq9NBD5sGAB2FciQMUEe8=
 github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
+github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
+github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
--- a/http_test/sync-v2.http
+++ b/http_test/sync-v2.http
@ -0,0 +1,106 @@
+
+### 1.pull-mirror-add
+POST http://0.0.0.0:3003/api/hat/repos/xxq2506/sss2/mirror-sync-v2
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "mirror-sync",
+  "mirror_address": "http://127.0.0.1:3003/xxq250/aaabbbccc.git",
+  "mirror_username": "xxq250",
+  "mirror_password": "12345678",
+  "interval": "0"
+}
+
+### 1.pull-mirror-add
+POST http://0.0.0.0:3003/api/hat/repos/xxq2506/sss2/mirror-sync-v2
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "push-mirror-add",
+  "mirror_address": "http://127.0.0.1:3003/xxq250/aaabbbccc.git",
+  "mirror_username": "xxq250",
+  "mirror_password": "12345678",
+  "interval": "0"
+}
+
+### 111.pull-mirror-add
+POST http://0.0.0.0:3003/api/hat/repos/xxq250/bbb180/settings
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "pull-mirror-add",
+  "mirror_address": "https://www.gitlink.org.cn/xxq250/lfs-demo.git",
+  "mirror_username": "xxq250",
+  "mirror_password": "xxq123456789521",
+  "interval": "0"
+}
+
+### 2.pull-mirror-sync
+POST http://0.0.0.0:3003/api/v1/repos/xxq250/bbb180/mirror-sync
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "mirror-sync"
+}
+
+
+### 2.pull-mirror-sync
+POST http://0.0.0.0:3003/api/v1/repos/xxq2506/lfs-demo/mirror-sync
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "mirror-sync"
+}
+
+
+
+### 3.pull-mirror-remove
+POST http://0.0.0.0:3003/api/hat/repos/xxq2506/aaabbbccc/mirror-sync-v2
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "pull-mirror-remove"
+}
+
+
+### 4.push-mirror-add
+POST http://0.0.0.0:3003/api/hat/repos/xxq250/lfs-demo/settings
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "push-mirror-add",
+  "mirror_address": "https://www.gitlink.org.cn/xxq250/lfs-demo.git",
+  "mirror_username": "xxq250",
+  "mirror_password": "xxq123456789521",
+  "interval": "0"
+}
+
+###  5.push_mirrors-sync
+POST http://0.0.0.0:3003/api/v1/repos/xxq250/lfs-demo/push_mirrors-sync
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+### 6.push-mirror-remove
+POST http://0.0.0.0:3003/api/hat/repos/xxq250/lfs-demo/settings
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+
+
+
--- a/http_test/sync.http
+++ b/http_test/sync.http
@ -0,0 +1,87 @@
+
+### 1.pull-mirror-add
+POST http://0.0.0.0:3003/api/hat/repos/xxq2506/lfs-demo/settings
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "pull-mirror-add",
+  "mirror_address": "http://0.0.0.0:3003/xxq250/lfs-demo.git",
+  "mirror_username": "xxq250",
+  "mirror_password": "xxq123456789521",
+  "interval": "0"
+}
+
+### 111.pull-mirror-add
+POST http://0.0.0.0:3003/api/hat/repos/xxq250/bbb180/settings
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "pull-mirror-add",
+  "mirror_address": "https://www.gitlink.org.cn/xxq250/lfs-demo.git",
+  "mirror_username": "xxq250",
+  "mirror_password": "xxq123456789521",
+  "interval": "0"
+}
+
+### 2.pull-mirror-sync
+POST http://0.0.0.0:3003/api/v1/repos/xxq250/bbb180/mirror-sync
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "mirror-sync"
+}
+
+
+### 2.pull-mirror-sync
+POST http://0.0.0.0:3003/api/v1/repos/xxq2506/lfs-demo/mirror-sync
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "mirror-sync"
+}
+
+
+
+### 3.pull-mirror-remove
+POST http://0.0.0.0:3003/api/hat/repos/xxq250/lfs-demo/settings
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+### 4.push-mirror-add
+POST http://0.0.0.0:3003/api/hat/repos/xxq250/lfs-demo/settings
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+{
+  "action": "push-mirror-add",
+  "mirror_address": "https://www.gitlink.org.cn/xxq250/lfs-demo.git",
+  "mirror_username": "xxq250",
+  "mirror_password": "xxq123456789521",
+  "interval": "0"
+}
+
+###  5.push_mirrors-sync
+POST http://0.0.0.0:3003/api/v1/repos/xxq250/lfs-demo/push_mirrors-sync
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+### 6.push-mirror-remove
+POST http://0.0.0.0:3003/api/hat/repos/xxq250/lfs-demo/settings
+authorization: Basic eHhxMjUwOjEyMzQ1Njc4
+accept: application/json
+Content-Type: application/json
+
+
+
+
--- a/modules/repository/branch.go
+++ b/modules/repository/branch.go
@ -0,0 +1,204 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repository
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"code.gitea.io/gitea/models/db"
+	git_model "code.gitea.io/gitea/models/git"
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/container"
+	"code.gitea.io/gitea/modules/git"
+	gitea_git "code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/log"
+	repo_module "code.gitea.io/gitea/modules/repository"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
+	repo_service "code.gitea.io/gitea/services/repository"
+)
+
+//// SyncRepoBranches synchronizes branch table with repository branches
+//func SyncRepoBranches(ctx context.Context, repoID, doerID int64) (int64, error) {
+//	repo, err := repo_model.GetRepositoryByID(ctx, repoID)
+//	if err != nil {
+//		return 0, err
+//	}
+//
+//	log.Debug("SyncRepoBranches: in Repo[%d:%s]", repo.ID, repo.FullName())
+//
+//	gitRepo, err := git.OpenRepository(ctx, repo.RepoPath())
+//	if err != nil {
+//		log.Error("OpenRepository[%s]: %w", repo.RepoPath(), err)
+//		return 0, err
+//	}
+//	defer gitRepo.Close()
+//
+//	return SyncRepoBranchesWithRepo(ctx, repo, gitRepo, doerID)
+//}
+
+func SyncRepoBranchesWithRepo(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository, doerID int64, delOldBranches bool) (int64, error) {
+	allBranches := container.Set[string]{}
+	{
+		branches, _, err := gitRepo.GetBranchNames(0, 0)
+		if err != nil {
+			return 0, err
+		}
+		log.Trace("SyncRepoBranches[%s]: branches[%d]: %v", repo.FullName(), len(branches), branches)
+		for _, branch := range branches {
+			allBranches.Add(branch)
+		}
+	}
+
+	dbBranches := make(map[string]*git_model.Branch)
+	{
+		branches, err := git_model.FindBranches(ctx, git_model.FindBranchOptions{
+			ListOptions: db.ListOptions{
+				ListAll: true,
+			},
+			RepoID: repo.ID,
+		})
+		if err != nil {
+			return 0, err
+		}
+		for _, branch := range branches {
+			dbBranches[branch.Name] = branch
+		}
+	}
+
+	var toAdd []*git_model.Branch
+	var toUpdate []*git_model.Branch
+	var toRemove []int64
+	for branch := range allBranches {
+		dbb := dbBranches[branch]
+		commit, err := gitRepo.GetBranchCommit(branch)
+		if err != nil {
+			return 0, err
+		}
+		if dbb == nil {
+			toAdd = append(toAdd, &git_model.Branch{
+				RepoID:        repo.ID,
+				Name:          branch,
+				CommitID:      commit.ID.String(),
+				CommitMessage: commit.Summary(),
+				PusherID:      doerID,
+				CommitTime:    timeutil.TimeStamp(commit.Committer.When.Unix()),
+			})
+		} else if commit.ID.String() != dbb.CommitID {
+			toUpdate = append(toUpdate, &git_model.Branch{
+				ID:            dbb.ID,
+				RepoID:        repo.ID,
+				Name:          branch,
+				CommitID:      commit.ID.String(),
+				CommitMessage: commit.Summary(),
+				PusherID:      doerID,
+				CommitTime:    timeutil.TimeStamp(commit.Committer.When.Unix()),
+			})
+		}
+	}
+
+	for _, dbBranch := range dbBranches {
+		if !allBranches.Contains(dbBranch.Name) && !dbBranch.IsDeleted {
+			toRemove = append(toRemove, dbBranch.ID)
+		}
+	}
+
+	log.Trace("SyncRepoBranches[%s]: toAdd: %v, toUpdate: %v, toRemove: %v", repo.FullName(), toAdd, toUpdate, toRemove)
+
+	if len(toAdd) == 0 && len(toRemove) == 0 && len(toUpdate) == 0 {
+		return int64(len(allBranches)), nil
+	}
+
+	if err := db.WithTx(ctx, func(ctx context.Context) error {
+		if len(toAdd) > 0 {
+			if err := git_model.AddBranches(ctx, toAdd); err != nil {
+				return err
+			}
+		}
+
+		for _, b := range toUpdate {
+			if _, err := db.GetEngine(ctx).ID(b.ID).
+				Cols("commit_id, commit_message, pusher_id, commit_time, is_deleted").
+				Update(b); err != nil {
+				return err
+			}
+		}
+
+		if len(toRemove) > 0 {
+			if err := git_model.DeleteBranches(ctx, repo.ID, doerID, toRemove); err != nil {
+				return err
+			}
+			// default DeleteBranches after restore
+			if !delOldBranches {
+				_, err := RestoreDeleteBranches(ctx, repo.ID)
+				if err != nil {
+					log.Error("SyncMirrors RestoreDeleteBranches error", err)
+					return err
+				}
+			}
+		}
+
+		return nil
+	}); err != nil {
+		return 0, err
+	}
+	return int64(len(allBranches)), nil
+}
+
+func RestoreDeleteBranches(ctx context.Context, repoID int64) (int64, error) {
+	branches, err := git_model.FindBranches(ctx, git_model.FindBranchOptions{
+		ListOptions: db.ListOptions{
+			ListAll: true,
+		},
+		IsDeletedBranch: util.OptionalBoolTrue,
+		RepoID:          repoID,
+	})
+	if err != nil {
+		log.Error("GetBranches", err.Error())
+		return 0, err
+	}
+	log.Info("FindDeleteBranches len(branches)=========== %s", len(branches))
+	for i := range branches {
+		deletedBranch := branches[i]
+		repo, err := repo_model.GetRepositoryByID(ctx, repoID)
+		if err != nil {
+			return 0, err
+		}
+		doer, err := user_model.GetUserByID(ctx, repo.OwnerID)
+		if err != nil {
+			return 0, err
+		}
+		repo.Owner = doer
+		if err := gitea_git.Push(ctx, repo.RepoPath(), gitea_git.PushOptions{
+			Remote: repo.RepoPath(),
+			Branch: fmt.Sprintf("%s:%s%s", deletedBranch.CommitID, gitea_git.BranchPrefix, deletedBranch.Name),
+			Env:    repo_module.PushingEnvironment(repo.Owner, repo),
+		}); err != nil {
+			if strings.Contains(err.Error(), "already exists") {
+				log.Error("RestoreBranch: Can't restore branch '%s', since one with same name already exist", deletedBranch.Name)
+				return 0, err
+			}
+			log.Error("RestoreBranch: CreateBranch: %v", err.Error())
+			return 0, err
+		}
+
+		if err := repo_service.PushUpdate(
+			&repo_module.PushUpdateOptions{
+				RefFullName:  gitea_git.RefNameFromBranch(deletedBranch.Name),
+				OldCommitID:  gitea_git.EmptySHA,
+				NewCommitID:  deletedBranch.CommitID,
+				PusherID:     repo.Owner.ID,
+				PusherName:   repo.Owner.Name,
+				RepoUserName: repo.Owner.Name,
+				RepoName:     repo.Name,
+			}); err != nil {
+			log.Error("RestoreBranch: Update: %v", err.Error())
+			return 0, nil
+		}
+	}
+	return 0, nil
+}
--- a/routers/hat/hat.go
+++ b/routers/hat/hat.go
@ -253,6 +253,7 @@ func Routers() *web.Route {
 				}, context.ReferencesGitRepo(), reqRepoReader(unit.TypeCode))
 				m.Get("/blame", context.ReferencesGitRepo(), repo.GetRepoRefBlame)
 				m.Get("/code_stats", context.ReferencesGitRepo(), repo.ListCodeStats)
+				m.Post("/mirror-sync-v2", bind(repo.RepoSyncFormNew{}), repo.MirrorSyncV2)
 			}, repoAssignment())
 		})
 		m.Group("/users", func() {
--- a/routers/hat/repo/repo_sync.go
+++ b/routers/hat/repo/repo_sync.go
@ -0,0 +1,387 @@
+package repo
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/models"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/lfs"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
+	"code.gitea.io/gitea/modules/web"
+	"code.gitea.io/gitea/services/forms"
+	"code.gitea.io/gitea/services/migrations"
+
+	hat_mirror_service "code.gitlink.org.cn/Gitlink/gitea_hat.git/services/mirror"
+)
+
+// RepoSettingForm form for changing repository settings
+type RepoSyncFormNew struct {
+	//RepoName               string `binding:"Required;AlphaDashDot;MaxSize(100)"`
+	//Description            string `binding:"MaxSize(2048)"`
+	//Website                string `binding:"ValidUrl;MaxSize(1024)"`
+	Action         string `json:"action"`
+	Interval       string `json:"interval"`
+	MirrorAddress  string `json:"mirror_address"`
+	MirrorUsername string `json:"mirror_username"`
+	MirrorPassword string `json:"mirror_password"`
+	LFS            bool   `json:"mirror_lfs"`
+	LFSEndpoint    string `json:"mirror_lfs_endpoint"`
+	DelOldBranches bool   `json:"del_old_branches"`
+	//PushMirrorID           string `json:"push_mirror_id"`
+	//PushMirrorAddress      string `json:"push_mirror_address"`
+	//PushMirrorUsername     string `json:"push_mirror_username"`
+	//PushMirrorPassword     string `json:"push_mirror_password"`
+	MirrorSyncOnCommit bool `json:"mirror_sync_on_commit"`
+	//PushMirrorInterval     string `json:"push_mirror_interval"`
+	//Private                bool   `json:"private"`
+	//Template               bool   `json:"Template"`
+	EnablePrune bool `json:"enable_prune"`
+}
+
+func PullMirrorAdd(ctx *context.APIContext, form *RepoSyncFormNew, repo *repo_model.Repository) {
+	mirrorModel := repo_model.Mirror{
+		RepoID:         repo.ID,
+		Interval:       setting.Mirror.DefaultInterval,
+		EnablePrune:    true,
+		NextUpdateUnix: timeutil.TimeStampNow().AddDuration(setting.Mirror.DefaultInterval),
+		LFS:            false,
+		RemoteAddress:  form.MirrorAddress,
+	}
+
+	parsedInterval, err := time.ParseDuration(form.Interval)
+	if err != nil {
+		log.Error("Failed to set Interval: %v", err)
+		ctx.Error(http.StatusInternalServerError, "Err_Interval", err)
+		return
+	}
+	if parsedInterval == 0 {
+		mirrorModel.Interval = 0
+		mirrorModel.NextUpdateUnix = 0
+	} else if parsedInterval < setting.Mirror.MinInterval {
+		err := fmt.Errorf("interval %s is set below Minimum Interval of %s", parsedInterval, setting.Mirror.MinInterval)
+		log.Error("Interval: %s is too frequent", form.Interval)
+		ctx.Error(http.StatusInternalServerError, "Err_Interval too max", err)
+		return
+	} else {
+		mirrorModel.Interval = parsedInterval
+		mirrorModel.NextUpdateUnix = timeutil.TimeStampNow().AddDuration(parsedInterval)
+	}
+
+	if err = repo_model.InsertMirror(ctx, &mirrorModel); err != nil {
+		ctx.Error(http.StatusInternalServerError, "mirrorAdd_err", err)
+		return
+	}
+	repoPath := repo_model.RepoPath(repo.OwnerName, repo.Name)
+	// this is necessary for sync local tags from remote
+	configName := fmt.Sprintf("remote.%s.fetch", mirrorModel.GetRemoteName())
+	_, _, err = git.NewCommand(ctx, "remote", "rm").AddDynamicArguments(mirrorModel.GetRemoteName()).RunStdString(&git.RunOpts{Dir: repoPath})
+
+	cmd := git.NewCommand(ctx, "remote", "add").AddDynamicArguments(mirrorModel.GetRemoteName()).AddArguments("--mirror=fetch").AddDynamicArguments(mirrorModel.RemoteAddress)
+	if strings.Contains(mirrorModel.RemoteAddress, "://") && strings.Contains(mirrorModel.RemoteAddress, "@") {
+		cmd.SetDescription(fmt.Sprintf("remote add %s --mirror=fetch %s [repo_path: %s]", mirrorModel.GetRemoteName(), util.SanitizeCredentialURLs(mirrorModel.RemoteAddress), repoPath))
+	} else {
+		cmd.SetDescription(fmt.Sprintf("remote add %s --mirror=fetch %s [repo_path: %s]", mirrorModel.GetRemoteName(), mirrorModel.RemoteAddress, repoPath))
+	}
+	_, _, err = cmd.RunStdString(&git.RunOpts{Dir: repoPath})
+	if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
+		ctx.Error(http.StatusInternalServerError, "error in MigrateRepositoryGitData(git config --add <remote> +refs/tags/*:refs/tags/*): %w", err)
+		return
+	}
+	if stdout, _, err := git.NewCommand(ctx, "config").AddOptionValues("--add", configName, `+refs/tags/*:refs/tags/*`).
+		RunStdString(&git.RunOpts{Dir: repoPath}); err != nil {
+		log.Error("MigrateRepositoryGitData(git config --add <remote> +refs/tags/*:refs/tags/*) in %v: Stdout: %s\nError: %v", repo, stdout, err)
+		ctx.Error(http.StatusInternalServerError, "error in MigrateRepositoryGitData(git config --add <remote> +refs/tags/*:refs/tags/*): %w", err)
+		return
+	}
+
+}
+
+func PullMirrorUpdate(ctx *context.APIContext, form *RepoSyncFormNew, repo *repo_model.Repository) {
+	pullMirror, err := repo_model.GetMirrorByRepoID(ctx, ctx.Repo.Repository.ID)
+	if err == repo_model.ErrMirrorNotExist {
+		ctx.NotFound("", nil)
+		return
+	}
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "GetMirrorByRepoID", err)
+		return
+	}
+
+	interval, err := time.ParseDuration(form.Interval)
+	if err != nil || (interval != 0 && interval < setting.Mirror.MinInterval) {
+		ctx.Data["Err_Interval"] = true
+		ctx.Error(http.StatusInternalServerError, "Err_Interval", err)
+		return
+	}
+
+	pullMirror.EnablePrune = form.EnablePrune
+	pullMirror.Interval = interval
+	pullMirror.ScheduleNextUpdate()
+	if err := repo_model.UpdateMirror(ctx, pullMirror); err != nil {
+		ctx.Error(http.StatusInternalServerError, "UpdateMirror", err)
+		return
+	}
+
+	u, err := git.GetRemoteURL(ctx, ctx.Repo.Repository.RepoPath(), pullMirror.GetRemoteName())
+	if err != nil {
+		ctx.Data["Err_MirrorAddress"] = true
+		ctx.Error(http.StatusInternalServerError, "repo.Err_MirrorAddress", err)
+		return
+	}
+	if u.User != nil && form.MirrorPassword == "" && form.MirrorUsername == u.User.Username() {
+		form.MirrorPassword, _ = u.User.Password()
+	}
+
+	address, err := forms.ParseRemoteAddr(form.MirrorAddress, form.MirrorUsername, form.MirrorPassword)
+	if err == nil {
+		err = migrations.IsMigrateURLAllowed(address, ctx.Doer)
+	}
+	if err != nil {
+		ctx.Data["Err_MirrorAddress"] = true
+		ctx.Error(http.StatusInternalServerError, "Err_MirrorAddress", err)
+		return
+	}
+
+	if err := hat_mirror_service.UpdateAddress(ctx, pullMirror, address); err != nil {
+		ctx.Error(http.StatusInternalServerError, "UpdateAddress", err)
+		return
+	}
+
+	remoteAddress, err := util.SanitizeURL(form.MirrorAddress)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "SanitizeURL", err)
+		return
+	}
+	pullMirror.RemoteAddress = remoteAddress
+
+	form.LFS = form.LFS && setting.LFS.StartServer
+
+	if len(form.LFSEndpoint) > 0 {
+		ep := lfs.DetermineEndpoint("", form.LFSEndpoint)
+		if ep == nil {
+			ctx.Data["Err_LFSEndpoint"] = true
+			ctx.Error(http.StatusInternalServerError, "Err_LFSEndpoint", err)
+			return
+		}
+		err = migrations.IsMigrateURLAllowed(ep.String(), ctx.Doer)
+		if err != nil {
+			ctx.Data["Err_LFSEndpoint"] = true
+			ctx.Error(http.StatusInternalServerError, "Err_LFSEndpoint", err)
+			return
+		}
+	}
+
+	pullMirror.LFS = form.LFS
+	pullMirror.LFSEndpoint = form.LFSEndpoint
+	if err := repo_model.UpdateMirror(ctx, pullMirror); err != nil {
+		ctx.Error(http.StatusInternalServerError, "UpdateMirror", err)
+		return
+	}
+	ctx.JSON(http.StatusOK, map[string]any{"ok": true})
+}
+
+func PullMirrorRemove(ctx *context.APIContext, form *RepoSyncFormNew, repo *repo_model.Repository) {
+	_, err1 := repo_model.GetMirrorByRepoID(ctx, ctx.Repo.Repository.ID)
+	if err1 != nil {
+		ctx.Error(http.StatusInternalServerError, "pullMirror already exists, repoId:", strconv.FormatInt(ctx.Repo.Repository.ID, 10))
+		return
+	}
+	if err := repo_model.DeleteMirrorByRepoID(ctx, ctx.Repo.Repository.ID); err != nil {
+		ctx.Error(http.StatusInternalServerError, "DeleteMirrorByRepoID", err)
+		return
+	}
+	repoPath := repo_model.RepoPath(repo.OwnerName, repo.Name)
+	_, _, err := git.NewCommand(ctx, "remote", "rm", "origin").RunStdString(&git.RunOpts{Dir: repoPath})
+	if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
+		ctx.Error(http.StatusInternalServerError, "DeleteMirrorConfig", err)
+		return
+	}
+	ctx.JSON(http.StatusOK, map[string]any{"ok": true})
+}
+
+func PushMirrorUpdate(ctx *context.APIContext, form *RepoSyncFormNew, repo *repo_model.Repository) {
+	interval, err := time.ParseDuration(form.Interval)
+	if err != nil || (interval != 0 && interval < setting.Mirror.MinInterval) {
+		ctx.Error(http.StatusInternalServerError, "mirror_interval_invalid", err)
+		return
+	}
+	pushMirror, err := repo_model.GetPushMirror(ctx, repo_model.PushMirrorOptions{RepoID: ctx.Repo.Repository.ID})
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "GetPushMirror", err)
+		return
+	}
+	m := &repo_model.PushMirror{
+		ID:       pushMirror.ID,
+		Interval: interval,
+	}
+
+	if err := repo_model.UpdatePushMirrorInterval(ctx, m); err != nil {
+		ctx.Error(http.StatusInternalServerError, "UpdatePushMirror Interval", err)
+		return
+	}
+	// Background why we are adding it to Queue
+	// If we observed its implementation in the context of `push-mirror-sync` where it
+	// is evident that pushing to the queue is necessary for updates.
+	// So, there are updates within the given interval, it is necessary to update the queue accordingly.
+	hat_mirror_service.AddPushMirrorToQueue(m.ID)
+	ctx.JSON(http.StatusOK, map[string]any{"ok": true})
+}
+
+func PushMirrorAdd(ctx *context.APIContext, form *RepoSyncFormNew, repo *repo_model.Repository) {
+	pushMirror, err := repo_model.GetPushMirror(ctx, repo_model.PushMirrorOptions{RepoID: ctx.Repo.Repository.ID})
+	if err == nil && pushMirror != nil {
+		ctx.Error(http.StatusInternalServerError, "pushMirror already exists, repoId:", strconv.FormatInt(ctx.Repo.Repository.ID, 10))
+		return
+	}
+
+	// This section doesn't require repo_name/RepoName to be set in the form, don't show it
+	// as an error on the UI for this action
+	ctx.Data["Err_RepoName"] = nil
+
+	interval, err := time.ParseDuration(form.Interval)
+	if err != nil || (interval != 0 && interval < setting.Mirror.MinInterval) {
+		ctx.Data["Err_PushMirror Interval"] = true
+		ctx.Error(http.StatusInternalServerError, "Err_PushMirror Interval", err)
+		return
+	}
+
+	address, err := forms.ParseRemoteAddr(form.MirrorAddress, form.MirrorUsername, form.MirrorPassword)
+	if err == nil {
+		err = migrations.IsMigrateURLAllowed(address, ctx.Doer)
+	}
+	if err != nil {
+		ctx.Data["Err_PushMirrorAddress"] = true
+		ctx.Error(http.StatusInternalServerError, "Err_PushMirrorAddress", err)
+		return
+	}
+
+	remoteSuffix, err := util.CryptoRandomString(10)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "RandomString", err)
+		return
+	}
+
+	remoteAddress, err := util.SanitizeURL(form.MirrorAddress)
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "SanitizeURL", err)
+		return
+	}
+
+	m := &repo_model.PushMirror{
+		RepoID:        repo.ID,
+		Repo:          repo,
+		RemoteName:    fmt.Sprintf("remote_mirror_%s", remoteSuffix),
+		SyncOnCommit:  form.MirrorSyncOnCommit,
+		Interval:      interval,
+		RemoteAddress: remoteAddress,
+	}
+	if err := repo_model.InsertPushMirror(ctx, m); err != nil {
+		ctx.Error(http.StatusInternalServerError, "InsertPushMirror", err)
+		return
+	}
+
+	if err := hat_mirror_service.AddPushMirrorRemote(ctx, m, address); err != nil {
+		if err := repo_model.DeletePushMirrors(ctx, repo_model.PushMirrorOptions{ID: m.ID, RepoID: m.RepoID}); err != nil {
+			log.Error("DeletePushMirrors %v", err)
+		}
+		ctx.Error(http.StatusInternalServerError, "AddPushMirrorRemote", err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, map[string]any{"ok": true})
+}
+
+func PushMirrorRemove(ctx *context.APIContext, form *RepoSyncFormNew, repo *repo_model.Repository) {
+	pushMirror, err := repo_model.GetPushMirror(ctx, repo_model.PushMirrorOptions{RepoID: ctx.Repo.Repository.ID})
+	if err != nil {
+		ctx.Error(http.StatusInternalServerError, "GetPushMirror", err)
+		return
+	}
+
+	if err = hat_mirror_service.RemovePushMirrorRemote(ctx, pushMirror); err != nil {
+		ctx.Error(http.StatusInternalServerError, "RemovePushMirrorRemote", err)
+		return
+	}
+
+	if err = repo_model.DeletePushMirrors(ctx, repo_model.PushMirrorOptions{ID: pushMirror.ID, RepoID: pushMirror.RepoID}); err != nil {
+		ctx.Error(http.StatusInternalServerError, "DeletePushMirrorByID", err)
+		return
+	}
+	ctx.JSON(http.StatusOK, map[string]any{"ok": true})
+}
+
+func MirrorSyncV2(ctx *context.APIContext) {
+	form := web.GetForm(ctx).(*RepoSyncFormNew)
+	repo := ctx.Repo.Repository
+	if form.Action == "mirror-sync" || form.Action == "push-mirror-update" || form.Action == "push-mirror-update" {
+		remoteAddr, err := forms.ParseRemoteAddr(form.MirrorAddress, form.MirrorUsername, form.MirrorPassword)
+		if err == nil {
+			err = migrations.IsMigrateURLAllowed(remoteAddr, ctx.Doer)
+		}
+		if err != nil {
+			handleRemoteAddrError(ctx, err)
+			return
+		}
+		form.MirrorAddress = remoteAddr
+	}
+	switch form.Action {
+	case "mirror-sync":
+		_, err := repo_model.GetMirrorByRepoID(ctx, ctx.Repo.Repository.ID)
+		//  检测pullMirror不存在,增加
+		if err != nil {
+			if errors.Is(err, repo_model.ErrMirrorNotExist) {
+				PullMirrorAdd(ctx, form, repo)
+			} else {
+				ctx.Error(http.StatusInternalServerError, "MirrorSync", err)
+				return
+			}
+		}
+		// 开始同步加入队列
+		hat_mirror_service.AddPullMirrorToQueue(repo.ID, form.DelOldBranches)
+		ctx.JSON(http.StatusOK, map[string]any{"ok": true})
+	case "pull-mirror-update":
+		PullMirrorUpdate(ctx, form, repo)
+	case "pull-mirror-remove":
+		PullMirrorRemove(ctx, form, repo)
+	case "push-mirror-update":
+		PushMirrorUpdate(ctx, form, repo)
+	case "push-mirror-add":
+		PushMirrorAdd(ctx, form, repo)
+	case "push-mirror-remove":
+		PushMirrorRemove(ctx, form, repo)
+	default:
+		ctx.NotFound("", nil)
+	}
+}
+
+func handleRemoteAddrError(ctx *context.APIContext, err error) {
+	if models.IsErrInvalidCloneAddr(err) {
+		addrErr := err.(*models.ErrInvalidCloneAddr)
+		switch {
+		case addrErr.IsURLError:
+			ctx.Error(http.StatusUnprocessableEntity, "", err)
+		case addrErr.IsPermissionDenied:
+			if addrErr.LocalPath {
+				ctx.Error(http.StatusUnprocessableEntity, "", "You are not allowed to import local repositories.")
+			} else {
+				ctx.Error(http.StatusUnprocessableEntity, "", "You can not import from disallowed hosts.")
+			}
+		case addrErr.IsInvalidPath:
+			ctx.Error(http.StatusUnprocessableEntity, "", "Invalid local path, it does not exist or not a directory.")
+		default:
+			ctx.Error(http.StatusInternalServerError, "ParseRemoteAddr", "Unknown error type (ErrInvalidCloneAddr): "+err.Error())
+		}
+	} else {
+		ctx.Error(http.StatusInternalServerError, "ParseRemoteAddr", err)
+	}
+}
--- a/routers/hat/web/web.go
+++ b/routers/hat/web/web.go
@ -283,9 +283,9 @@ func registerRoutes(m *web.Route) {
 	reqSignOut := verifyAuthWithOptions(&common.VerifyOptions{SignOutRequired: true})
 	// TODO: rename them to "optSignIn", which means that the "sign-in" could be optional, depends on the VerifyOptions (RequireSignInView)
 	//ignSignIn := verifyAuthWithOptions(&common.VerifyOptions{SignInRequired: setting.Service.RequireSignInView})
-	ignSignIn := verifyAuthWithOptions(&common.VerifyOptions{SignInRequired: true})
-	//ignExploreSignIn := verifyAuthWithOptions(&common.VerifyOptions{SignInRequired: setting.Service.RequireSignInView || setting.Service.Explore.RequireSigninView})
-	ignExploreSignIn := verifyAuthWithOptions(&common.VerifyOptions{SignInRequired: true})
+	ignSignIn := verifyAuthWithOptions(&common.VerifyOptions{SignInRequired: setting.Service.Explore.RequireSigninView})
+	ignExploreSignIn := verifyAuthWithOptions(&common.VerifyOptions{SignInRequired: setting.Service.RequireSignInView || setting.Service.Explore.RequireSigninView})
+	//ignExploreSignIn := verifyAuthWithOptions(&common.VerifyOptions{SignInRequired: true})

 	validation.AddBindingRules()

--- a/routers/init.go
+++ b/routers/init.go
@ -21,6 +21,7 @@ import (
 	"code.gitlink.org.cn/Gitlink/gitea_hat.git/models/migrations"
 	api_hat "code.gitlink.org.cn/Gitlink/gitea_hat.git/routers/hat"
 	web_routers "code.gitlink.org.cn/Gitlink/gitea_hat.git/routers/hat/web"
+	hat_mirror_service "code.gitlink.org.cn/Gitlink/gitea_hat.git/services/mirror"
 	hat_pull_service "code.gitlink.org.cn/Gitlink/gitea_hat.git/services/pull"
 )

@ -45,7 +46,7 @@ func mustInitCtx(ctx context.Context, fn func(ctx context.Context) error) {
 func GlobalInitInstalled(ctx context.Context) {
 	mustInitCtx(ctx, InitDBEngine)
 	mustInit(hat_pull_service.Init)
-
+	mustInit(hat_mirror_service.InitSyncMirrors)
 }

 func InitDBEngine(ctx context.Context) (err error) {
--- a/services/mirror/mirror.go
+++ b/services/mirror/mirror.go
@ -0,0 +1,133 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package mirror
+
+import (
+	"context"
+	"fmt"
+
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/modules/graceful"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/queue"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+// doMirrorSync causes this request to mirror itself
+func doMirrorSync(ctx context.Context, req *SyncRequest) {
+	if req.ReferenceID == 0 {
+		log.Warn("Skipping mirror sync request, no mirror ID was specified")
+		return
+	}
+	switch req.Type {
+	case PushMirrorType:
+		_ = SyncPushMirror(ctx, req.ReferenceID)
+	case PullMirrorType:
+		_ = SyncPullMirror(ctx, req.ReferenceID, req.DelOldBranches)
+	default:
+		log.Error("Unknown Request type in queue: %v for MirrorID[%d]", req.Type, req.ReferenceID)
+	}
+}
+
+var errLimit = fmt.Errorf("reached limit")
+
+// Update checks and updates mirror repositories.
+func Update(ctx context.Context, pullLimit, pushLimit int) error {
+	if !setting.Mirror.Enabled {
+		log.Warn("Mirror feature disabled, but cron job enabled: skip update")
+		return nil
+	}
+	log.Trace("Doing: Update")
+
+	handler := func(idx int, bean any) error {
+		var repo *repo_model.Repository
+		var mirrorType SyncType
+		var referenceID int64
+
+		if m, ok := bean.(*repo_model.Mirror); ok {
+			if m.GetRepository(ctx) == nil {
+				log.Error("Disconnected mirror found: %d", m.ID)
+				return nil
+			}
+			repo = m.Repo
+			mirrorType = PullMirrorType
+			referenceID = m.RepoID
+		} else if m, ok := bean.(*repo_model.PushMirror); ok {
+			if m.GetRepository() == nil {
+				log.Error("Disconnected push-mirror found: %d", m.ID)
+				return nil
+			}
+			repo = m.Repo
+			mirrorType = PushMirrorType
+			referenceID = m.ID
+		} else {
+			log.Error("Unknown bean: %v", bean)
+			return nil
+		}
+
+		// Check we've not been cancelled
+		select {
+		case <-ctx.Done():
+			return fmt.Errorf("aborted")
+		default:
+		}
+
+		// Push to the Queue
+		if err := PushToQueue(mirrorType, referenceID, (mirrorType == PullMirrorType)); err != nil {
+			if err == queue.ErrAlreadyInQueue {
+				if mirrorType == PushMirrorType {
+					log.Trace("PushMirrors for %-v already queued for sync", repo)
+				} else {
+					log.Trace("PullMirrors for %-v already queued for sync", repo)
+				}
+				return nil
+			}
+			return err
+		}
+		return nil
+	}
+
+	pullMirrorsRequested := 0
+	if pullLimit != 0 {
+		if err := repo_model.MirrorsIterate(ctx, pullLimit, func(idx int, bean any) error {
+			if err := handler(idx, bean); err != nil {
+				return err
+			}
+			pullMirrorsRequested++
+			return nil
+		}); err != nil && err != errLimit {
+			log.Error("MirrorsIterate: %v", err)
+			return err
+		}
+	}
+
+	pushMirrorsRequested := 0
+	if pushLimit != 0 {
+		if err := repo_model.PushMirrorsIterate(ctx, pushLimit, func(idx int, bean any) error {
+			if err := handler(idx, bean); err != nil {
+				return err
+			}
+			pushMirrorsRequested++
+			return nil
+		}); err != nil && err != errLimit {
+			log.Error("PushMirrorsIterate: %v", err)
+			return err
+		}
+	}
+	log.Trace("Finished: Update: %d pull mirrors and %d push mirrors queued", pullMirrorsRequested, pushMirrorsRequested)
+	return nil
+}
+
+func queueHandler(items ...*SyncRequest) []*SyncRequest {
+	for _, req := range items {
+		doMirrorSync(graceful.GetManager().ShutdownContext(), req)
+	}
+	return nil
+}
+
+// InitSyncMirrors initializes a go routine to sync the mirrors
+func InitSyncMirrors() error {
+	StartSyncMirrors(queueHandler)
+	return nil
+}
--- a/services/mirror/mirror_pull.go
+++ b/services/mirror/mirror_pull.go
@ -0,0 +1,615 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package mirror
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/models/db"
+	repo_model "code.gitea.io/gitea/models/repo"
+	system_model "code.gitea.io/gitea/models/system"
+	"code.gitea.io/gitea/modules/cache"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/lfs"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/process"
+	"code.gitea.io/gitea/modules/proxy"
+	repo_module "code.gitea.io/gitea/modules/repository"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
+	notify_service "code.gitea.io/gitea/services/notify"
+	hat_repo_module "code.gitlink.org.cn/Gitlink/gitea_hat.git/modules/repository"
+)
+
+// gitShortEmptySha Git short empty SHA
+const gitShortEmptySha = "0000000"
+
+// UpdateAddress writes new address to Git repository and database
+func UpdateAddress(ctx context.Context, m *repo_model.Mirror, addr string) error {
+	remoteName := m.GetRemoteName()
+	repoPath := m.GetRepository(ctx).RepoPath()
+	// Remove old remote
+	_, _, err := git.NewCommand(ctx, "remote", "rm").AddDynamicArguments(remoteName).RunStdString(&git.RunOpts{Dir: repoPath})
+	if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
+		return err
+	}
+
+	cmd := git.NewCommand(ctx, "remote", "add").AddDynamicArguments(remoteName).AddArguments("--mirror=fetch").AddDynamicArguments(addr)
+	if strings.Contains(addr, "://") && strings.Contains(addr, "@") {
+		cmd.SetDescription(fmt.Sprintf("remote add %s --mirror=fetch %s [repo_path: %s]", remoteName, util.SanitizeCredentialURLs(addr), repoPath))
+	} else {
+		cmd.SetDescription(fmt.Sprintf("remote add %s --mirror=fetch %s [repo_path: %s]", remoteName, addr, repoPath))
+	}
+	_, _, err = cmd.RunStdString(&git.RunOpts{Dir: repoPath})
+	if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
+		return err
+	}
+
+	if m.Repo.HasWiki() {
+		wikiPath := m.Repo.WikiPath()
+		wikiRemotePath := repo_module.WikiRemoteURL(ctx, addr)
+		// Remove old remote of wiki
+		_, _, err = git.NewCommand(ctx, "remote", "rm").AddDynamicArguments(remoteName).RunStdString(&git.RunOpts{Dir: wikiPath})
+		if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
+			return err
+		}
+
+		cmd = git.NewCommand(ctx, "remote", "add").AddDynamicArguments(remoteName).AddArguments("--mirror=fetch").AddDynamicArguments(wikiRemotePath)
+		if strings.Contains(wikiRemotePath, "://") && strings.Contains(wikiRemotePath, "@") {
+			cmd.SetDescription(fmt.Sprintf("remote add %s --mirror=fetch %s [repo_path: %s]", remoteName, util.SanitizeCredentialURLs(wikiRemotePath), wikiPath))
+		} else {
+			cmd.SetDescription(fmt.Sprintf("remote add %s --mirror=fetch %s [repo_path: %s]", remoteName, wikiRemotePath, wikiPath))
+		}
+		_, _, err = cmd.RunStdString(&git.RunOpts{Dir: wikiPath})
+		if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
+			return err
+		}
+	}
+
+	m.Repo.OriginalURL = addr
+	return repo_model.UpdateRepositoryCols(ctx, m.Repo, "original_url")
+}
+
+// mirrorSyncResult contains information of a updated reference.
+// If the oldCommitID is "0000000", it means a new reference, the value of newCommitID is empty.
+// If the newCommitID is "0000000", it means the reference is deleted, the value of oldCommitID is empty.
+type mirrorSyncResult struct {
+	refName     git.RefName
+	oldCommitID string
+	newCommitID string
+}
+
+// parseRemoteUpdateOutput detects create, update and delete operations of references from upstream.
+// possible output example:
+/*
+// * [new tag]         v0.1.8     -> v0.1.8
+// * [new branch]      master     -> origin/master
+// - [deleted]         (none)     -> origin/test // delete a branch
+// - [deleted]         (none)     -> 1 // delete a tag
+//   957a993..a87ba5f  test       -> origin/test
+// + f895a1e...957a993 test       -> origin/test  (forced update)
+*/
+// TODO: return whether it's a force update
+func parseRemoteUpdateOutput(output, remoteName string) []*mirrorSyncResult {
+	results := make([]*mirrorSyncResult, 0, 3)
+	lines := strings.Split(output, "\n")
+	for i := range lines {
+		// Make sure reference name is presented before continue
+		idx := strings.Index(lines[i], "-> ")
+		if idx == -1 {
+			continue
+		}
+
+		refName := strings.TrimSpace(lines[i][idx+3:])
+
+		switch {
+		case strings.HasPrefix(lines[i], " * [new tag]"): // new tag
+			results = append(results, &mirrorSyncResult{
+				refName:     git.RefNameFromTag(refName),
+				oldCommitID: gitShortEmptySha,
+			})
+		case strings.HasPrefix(lines[i], " * [new branch]"): // new branch
+			refName = strings.TrimPrefix(refName, remoteName+"/")
+			results = append(results, &mirrorSyncResult{
+				refName:     git.RefNameFromBranch(refName),
+				oldCommitID: gitShortEmptySha,
+			})
+		case strings.HasPrefix(lines[i], " - "): // Delete reference
+			isTag := !strings.HasPrefix(refName, remoteName+"/")
+			var refFullName git.RefName
+			if isTag {
+				refFullName = git.RefNameFromTag(refName)
+			} else {
+				refFullName = git.RefNameFromBranch(strings.TrimPrefix(refName, remoteName+"/"))
+			}
+			results = append(results, &mirrorSyncResult{
+				refName:     refFullName,
+				newCommitID: gitShortEmptySha,
+			})
+		case strings.HasPrefix(lines[i], " + "): // Force update
+			if idx := strings.Index(refName, " "); idx > -1 {
+				refName = refName[:idx]
+			}
+			delimIdx := strings.Index(lines[i][3:], " ")
+			if delimIdx == -1 {
+				log.Error("SHA delimiter not found: %q", lines[i])
+				continue
+			}
+			shas := strings.Split(lines[i][3:delimIdx+3], "...")
+			if len(shas) != 2 {
+				log.Error("Expect two SHAs but not what found: %q", lines[i])
+				continue
+			}
+			results = append(results, &mirrorSyncResult{
+				refName:     git.RefNameFromBranch(strings.TrimPrefix(refName, remoteName+"/")),
+				oldCommitID: shas[0],
+				newCommitID: shas[1],
+			})
+		case strings.HasPrefix(lines[i], "   "): // New commits of a reference
+			delimIdx := strings.Index(lines[i][3:], " ")
+			if delimIdx == -1 {
+				log.Error("SHA delimiter not found: %q", lines[i])
+				continue
+			}
+			shas := strings.Split(lines[i][3:delimIdx+3], "..")
+			if len(shas) != 2 {
+				log.Error("Expect two SHAs but not what found: %q", lines[i])
+				continue
+			}
+			results = append(results, &mirrorSyncResult{
+				refName:     git.RefNameFromBranch(strings.TrimPrefix(refName, remoteName+"/")),
+				oldCommitID: shas[0],
+				newCommitID: shas[1],
+			})
+
+		default:
+			log.Warn("parseRemoteUpdateOutput: unexpected update line %q", lines[i])
+		}
+	}
+	return results
+}
+
+func pruneBrokenReferences(ctx context.Context,
+	m *repo_model.Mirror,
+	repoPath string,
+	timeout time.Duration,
+	stdoutBuilder, stderrBuilder *strings.Builder,
+	isWiki bool,
+) error {
+	wiki := ""
+	if isWiki {
+		wiki = "Wiki "
+	}
+
+	stderrBuilder.Reset()
+	stdoutBuilder.Reset()
+	pruneErr := git.NewCommand(ctx, "remote", "prune").AddDynamicArguments(m.GetRemoteName()).
+		SetDescription(fmt.Sprintf("Mirror.runSync %ssPrune references: %s ", wiki, m.Repo.FullName())).
+		Run(&git.RunOpts{
+			Timeout: timeout,
+			Dir:     repoPath,
+			Stdout:  stdoutBuilder,
+			Stderr:  stderrBuilder,
+		})
+	if pruneErr != nil {
+		stdout := stdoutBuilder.String()
+		stderr := stderrBuilder.String()
+
+		// sanitize the output, since it may contain the remote address, which may
+		// contain a password
+		stderrMessage := util.SanitizeCredentialURLs(stderr)
+		stdoutMessage := util.SanitizeCredentialURLs(stdout)
+
+		log.Error("Failed to prune mirror repository %s%-v references:\nStdout: %s\nStderr: %s\nErr: %v", wiki, m.Repo, stdoutMessage, stderrMessage, pruneErr)
+		desc := fmt.Sprintf("Failed to prune mirror repository %s'%s' references: %s", wiki, repoPath, stderrMessage)
+		if err := system_model.CreateRepositoryNotice(desc); err != nil {
+			log.Error("CreateRepositoryNotice: %v", err)
+		}
+		// this if will only be reached on a successful prune so try to get the mirror again
+	}
+	return pruneErr
+}
+
+// runSync returns true if sync finished without error.
+func runSync(ctx context.Context, m *repo_model.Mirror, delOldBranches bool) ([]*mirrorSyncResult, bool) {
+	repoPath := m.Repo.RepoPath()
+	wikiPath := m.Repo.WikiPath()
+	timeout := time.Duration(setting.Git.Timeout.Mirror) * time.Second
+
+	log.Trace("SyncMirrors [repo: %-v]: running git remote update...", m.Repo)
+
+	// use fetch but not remote update because git fetch support --tags but remote update doesn't
+	cmd := git.NewCommand(ctx, "fetch")
+	if m.EnablePrune {
+		cmd.AddArguments("--prune")
+	}
+	cmd.AddArguments("--tags").AddDynamicArguments(m.GetRemoteName())
+
+	remoteURL, remoteErr := git.GetRemoteURL(ctx, repoPath, m.GetRemoteName())
+	if remoteErr != nil {
+		log.Error("SyncMirrors [repo: %-v]: GetRemoteAddress Error %v", m.Repo, remoteErr)
+		return nil, false
+	}
+
+	envs := proxy.EnvWithProxy(remoteURL.URL)
+
+	stdoutBuilder := strings.Builder{}
+	stderrBuilder := strings.Builder{}
+	if err := cmd.
+		SetDescription(fmt.Sprintf("Mirror.runSync: %s", m.Repo.FullName())).
+		Run(&git.RunOpts{
+			Timeout: timeout,
+			Dir:     repoPath,
+			Env:     envs,
+			Stdout:  &stdoutBuilder,
+			Stderr:  &stderrBuilder,
+		}); err != nil {
+		stdout := stdoutBuilder.String()
+		stderr := stderrBuilder.String()
+
+		// sanitize the output, since it may contain the remote address, which may contain a password
+		stderrMessage := util.SanitizeCredentialURLs(stderr)
+		stdoutMessage := util.SanitizeCredentialURLs(stdout)
+
+		// Now check if the error is a resolve reference due to broken reference
+		if strings.Contains(stderr, "unable to resolve reference") && strings.Contains(stderr, "reference broken") {
+			log.Warn("SyncMirrors [repo: %-v]: failed to update mirror repository due to broken references:\nStdout: %s\nStderr: %s\nErr: %v\nAttempting Prune", m.Repo, stdoutMessage, stderrMessage, err)
+			err = nil
+
+			// Attempt prune
+			pruneErr := pruneBrokenReferences(ctx, m, repoPath, timeout, &stdoutBuilder, &stderrBuilder, false)
+			if pruneErr == nil {
+				// Successful prune - reattempt mirror
+				stderrBuilder.Reset()
+				stdoutBuilder.Reset()
+				if err = cmd.
+					SetDescription(fmt.Sprintf("Mirror.runSync: %s", m.Repo.FullName())).
+					Run(&git.RunOpts{
+						Timeout: timeout,
+						Dir:     repoPath,
+						Stdout:  &stdoutBuilder,
+						Stderr:  &stderrBuilder,
+					}); err != nil {
+					stdout := stdoutBuilder.String()
+					stderr := stderrBuilder.String()
+
+					// sanitize the output, since it may contain the remote address, which may
+					// contain a password
+					stderrMessage = util.SanitizeCredentialURLs(stderr)
+					stdoutMessage = util.SanitizeCredentialURLs(stdout)
+				}
+			}
+		}
+
+		// If there is still an error (or there always was an error)
+		if err != nil {
+			log.Error("SyncMirrors [repo: %-v]: failed to update mirror repository:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdoutMessage, stderrMessage, err)
+			desc := fmt.Sprintf("Failed to update mirror repository '%s': %s", repoPath, stderrMessage)
+			if err = system_model.CreateRepositoryNotice(desc); err != nil {
+				log.Error("CreateRepositoryNotice: %v", err)
+			}
+			return nil, false
+		}
+	}
+	output := stderrBuilder.String()
+
+	if err := git.WriteCommitGraph(ctx, repoPath); err != nil {
+		log.Error("SyncMirrors [repo: %-v]: %v", m.Repo, err)
+	}
+
+	gitRepo, err := git.OpenRepository(ctx, repoPath)
+	if err != nil {
+		log.Error("SyncMirrors [repo: %-v]: failed to OpenRepository: %v", m.Repo, err)
+		return nil, false
+	}
+
+	log.Trace("SyncMirrors [repo: %-v]: syncing branches...", m.Repo)
+	if _, err = hat_repo_module.SyncRepoBranchesWithRepo(ctx, m.Repo, gitRepo, 0, delOldBranches); err != nil {
+		log.Error("SyncMirrors [repo: %-v]: failed to synchronize branches: %v", m.Repo, err)
+	}
+
+	log.Trace("SyncMirrors [repo: %-v]: syncing releases with tags...", m.Repo)
+	if err = repo_module.SyncReleasesWithTags(ctx, m.Repo, gitRepo); err != nil {
+		log.Error("SyncMirrors [repo: %-v]: failed to synchronize tags to releases: %v", m.Repo, err)
+	}
+
+	if m.LFS && setting.LFS.StartServer {
+		log.Trace("SyncMirrors [repo: %-v]: syncing LFS objects...", m.Repo)
+		endpoint := lfs.DetermineEndpoint(remoteURL.String(), m.LFSEndpoint)
+		lfsClient := lfs.NewClient(endpoint, nil)
+		if err = repo_module.StoreMissingLfsObjectsInRepository(ctx, m.Repo, gitRepo, lfsClient); err != nil {
+			log.Error("SyncMirrors [repo: %-v]: failed to synchronize LFS objects for repository: %v", m.Repo, err)
+		}
+	}
+	gitRepo.Close()
+
+	log.Trace("SyncMirrors [repo: %-v]: updating size of repository", m.Repo)
+	if err := repo_module.UpdateRepoSize(ctx, m.Repo); err != nil {
+		log.Error("SyncMirrors [repo: %-v]: failed to update size for mirror repository: %v", m.Repo, err)
+	}
+
+	if m.Repo.HasWiki() {
+		log.Trace("SyncMirrors [repo: %-v Wiki]: running git remote update...", m.Repo)
+		stderrBuilder.Reset()
+		stdoutBuilder.Reset()
+		if err := git.NewCommand(ctx, "remote", "update", "--prune").AddDynamicArguments(m.GetRemoteName()).
+			SetDescription(fmt.Sprintf("Mirror.runSync Wiki: %s ", m.Repo.FullName())).
+			Run(&git.RunOpts{
+				Timeout: timeout,
+				Dir:     wikiPath,
+				Stdout:  &stdoutBuilder,
+				Stderr:  &stderrBuilder,
+			}); err != nil {
+			stdout := stdoutBuilder.String()
+			stderr := stderrBuilder.String()
+
+			// sanitize the output, since it may contain the remote address, which may contain a password
+			stderrMessage := util.SanitizeCredentialURLs(stderr)
+			stdoutMessage := util.SanitizeCredentialURLs(stdout)
+
+			// Now check if the error is a resolve reference due to broken reference
+			if strings.Contains(stderrMessage, "unable to resolve reference") && strings.Contains(stderrMessage, "reference broken") {
+				log.Warn("SyncMirrors [repo: %-v Wiki]: failed to update mirror wiki repository due to broken references:\nStdout: %s\nStderr: %s\nErr: %v\nAttempting Prune", m.Repo, stdoutMessage, stderrMessage, err)
+				err = nil
+
+				// Attempt prune
+				pruneErr := pruneBrokenReferences(ctx, m, repoPath, timeout, &stdoutBuilder, &stderrBuilder, true)
+				if pruneErr == nil {
+					// Successful prune - reattempt mirror
+					stderrBuilder.Reset()
+					stdoutBuilder.Reset()
+
+					if err = git.NewCommand(ctx, "remote", "update", "--prune").AddDynamicArguments(m.GetRemoteName()).
+						SetDescription(fmt.Sprintf("Mirror.runSync Wiki: %s ", m.Repo.FullName())).
+						Run(&git.RunOpts{
+							Timeout: timeout,
+							Dir:     wikiPath,
+							Stdout:  &stdoutBuilder,
+							Stderr:  &stderrBuilder,
+						}); err != nil {
+						stdout := stdoutBuilder.String()
+						stderr := stderrBuilder.String()
+						stderrMessage = util.SanitizeCredentialURLs(stderr)
+						stdoutMessage = util.SanitizeCredentialURLs(stdout)
+					}
+				}
+			}
+
+			// If there is still an error (or there always was an error)
+			if err != nil {
+				log.Error("SyncMirrors [repo: %-v Wiki]: failed to update mirror repository wiki:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdoutMessage, stderrMessage, err)
+				desc := fmt.Sprintf("Failed to update mirror repository wiki '%s': %s", wikiPath, stderrMessage)
+				if err = system_model.CreateRepositoryNotice(desc); err != nil {
+					log.Error("CreateRepositoryNotice: %v", err)
+				}
+				return nil, false
+			}
+
+			if err := git.WriteCommitGraph(ctx, wikiPath); err != nil {
+				log.Error("SyncMirrors [repo: %-v]: %v", m.Repo, err)
+			}
+		}
+		log.Trace("SyncMirrors [repo: %-v Wiki]: git remote update complete", m.Repo)
+	}
+
+	log.Trace("SyncMirrors [repo: %-v]: invalidating mirror branch caches...", m.Repo)
+	branches, _, err := git.GetBranchesByPath(ctx, m.Repo.RepoPath(), 0, 0)
+	if err != nil {
+		log.Error("SyncMirrors [repo: %-v]: failed to GetBranches: %v", m.Repo, err)
+		return nil, false
+	}
+
+	for _, branch := range branches {
+		cache.Remove(m.Repo.GetCommitsCountCacheKey(branch.Name, true))
+	}
+
+	m.UpdatedUnix = timeutil.TimeStampNow()
+	return parseRemoteUpdateOutput(output, m.GetRemoteName()), true
+}
+
+// SyncPullMirror starts the sync of the pull mirror and schedules the next run.
+func SyncPullMirror(ctx context.Context, repoID int64, delOldBranches bool) bool {
+	log.Trace("SyncMirrors [repo_id: %v]", repoID)
+	defer func() {
+		err := recover()
+		if err == nil {
+			return
+		}
+		// There was a panic whilst syncMirrors...
+		log.Error("PANIC whilst SyncMirrors[repo_id: %d] Panic: %v\nStacktrace: %s", repoID, err, log.Stack(2))
+	}()
+
+	m, err := repo_model.GetMirrorByRepoID(ctx, repoID)
+	if err != nil {
+		log.Error("SyncMirrors [repo_id: %v]: unable to GetMirrorByRepoID: %v", repoID, err)
+		return false
+	}
+	_ = m.GetRepository(ctx) // force load repository of mirror
+
+	ctx, _, finished := process.GetManager().AddContext(ctx, fmt.Sprintf("Syncing Mirror %s/%s", m.Repo.OwnerName, m.Repo.Name))
+	defer finished()
+
+	log.Trace("SyncMirrors [repo: %-v]: Running Sync", m.Repo)
+	results, ok := runSync(ctx, m, delOldBranches)
+	if !ok {
+		if err = repo_model.TouchMirror(ctx, m); err != nil {
+			log.Error("SyncMirrors [repo: %-v]: failed to TouchMirror: %v", m.Repo, err)
+		}
+		return false
+	}
+
+	log.Trace("SyncMirrors [repo: %-v]: Scheduling next update", m.Repo)
+	m.ScheduleNextUpdate()
+	if err = repo_model.UpdateMirror(ctx, m); err != nil {
+		log.Error("SyncMirrors [repo: %-v]: failed to UpdateMirror with next update date: %v", m.Repo, err)
+		return false
+	}
+
+	var gitRepo *git.Repository
+	if len(results) == 0 {
+		log.Trace("SyncMirrors [repo: %-v]: no branches updated", m.Repo)
+	} else {
+		log.Trace("SyncMirrors [repo: %-v]: %d branches updated", m.Repo, len(results))
+		gitRepo, err = git.OpenRepository(ctx, m.Repo.RepoPath())
+		if err != nil {
+			log.Error("SyncMirrors [repo: %-v]: unable to OpenRepository: %v", m.Repo, err)
+			return false
+		}
+		defer gitRepo.Close()
+
+		if ok := checkAndUpdateEmptyRepository(m, gitRepo, results); !ok {
+			return false
+		}
+	}
+
+	for _, result := range results {
+		// Discard GitHub pull requests, i.e. refs/pull/*
+		if result.refName.IsPull() {
+			continue
+		}
+
+		// Create reference
+		if result.oldCommitID == gitShortEmptySha {
+			commitID, err := gitRepo.GetRefCommitID(result.refName.String())
+			if err != nil {
+				log.Error("SyncMirrors [repo: %-v]: unable to GetRefCommitID [ref_name: %s]: %v", m.Repo, result.refName, err)
+				continue
+			}
+			notify_service.SyncPushCommits(ctx, m.Repo.MustOwner(ctx), m.Repo, &repo_module.PushUpdateOptions{
+				RefFullName: result.refName,
+				OldCommitID: git.EmptySHA,
+				NewCommitID: commitID,
+			}, repo_module.NewPushCommits())
+			notify_service.SyncCreateRef(ctx, m.Repo.MustOwner(ctx), m.Repo, result.refName, commitID)
+			continue
+		}
+
+		// Delete reference
+		if result.newCommitID == gitShortEmptySha {
+			notify_service.SyncDeleteRef(ctx, m.Repo.MustOwner(ctx), m.Repo, result.refName)
+			continue
+		}
+
+		// Push commits
+		oldCommitID, err := git.GetFullCommitID(gitRepo.Ctx, gitRepo.Path, result.oldCommitID)
+		if err != nil {
+			log.Error("SyncMirrors [repo: %-v]: unable to get GetFullCommitID[%s]: %v", m.Repo, result.oldCommitID, err)
+			continue
+		}
+		newCommitID, err := git.GetFullCommitID(gitRepo.Ctx, gitRepo.Path, result.newCommitID)
+		if err != nil {
+			log.Error("SyncMirrors [repo: %-v]: unable to get GetFullCommitID [%s]: %v", m.Repo, result.newCommitID, err)
+			continue
+		}
+		commits, err := gitRepo.CommitsBetweenIDs(newCommitID, oldCommitID)
+		if err != nil {
+			log.Error("SyncMirrors [repo: %-v]: unable to get CommitsBetweenIDs [new_commit_id: %s, old_commit_id: %s]: %v", m.Repo, newCommitID, oldCommitID, err)
+			continue
+		}
+
+		theCommits := repo_module.GitToPushCommits(commits)
+		if len(theCommits.Commits) > setting.UI.FeedMaxCommitNum {
+			theCommits.Commits = theCommits.Commits[:setting.UI.FeedMaxCommitNum]
+		}
+
+		if newCommit, err := gitRepo.GetCommit(newCommitID); err != nil {
+			log.Error("SyncMirrors [repo: %-v]: unable to get commit %s: %v", m.Repo, newCommitID, err)
+			continue
+		} else {
+			theCommits.HeadCommit = repo_module.CommitToPushCommit(newCommit)
+		}
+
+		theCommits.CompareURL = m.Repo.ComposeCompareURL(oldCommitID, newCommitID)
+
+		notify_service.SyncPushCommits(ctx, m.Repo.MustOwner(ctx), m.Repo, &repo_module.PushUpdateOptions{
+			RefFullName: result.refName,
+			OldCommitID: oldCommitID,
+			NewCommitID: newCommitID,
+		}, theCommits)
+	}
+	log.Trace("SyncMirrors [repo: %-v]: done notifying updated branches/tags - now updating last commit time", m.Repo)
+
+	// Get latest commit date and update to current repository updated time
+	commitDate, err := git.GetLatestCommitTime(ctx, m.Repo.RepoPath())
+	if err != nil {
+		log.Error("SyncMirrors [repo: %-v]: unable to GetLatestCommitDate: %v", m.Repo, err)
+		return false
+	}
+
+	if err = repo_model.UpdateRepositoryUpdatedTime(ctx, m.RepoID, commitDate); err != nil {
+		log.Error("SyncMirrors [repo: %-v]: unable to update repository 'updated_unix': %v", m.Repo, err)
+		return false
+	}
+
+	log.Trace("SyncMirrors [repo: %-v]: Successfully updated", m.Repo)
+
+	return true
+}
+
+func checkAndUpdateEmptyRepository(m *repo_model.Mirror, gitRepo *git.Repository, results []*mirrorSyncResult) bool {
+	if !m.Repo.IsEmpty {
+		return true
+	}
+
+	hasDefault := false
+	hasMaster := false
+	hasMain := false
+	defaultBranchName := m.Repo.DefaultBranch
+	if len(defaultBranchName) == 0 {
+		defaultBranchName = setting.Repository.DefaultBranch
+	}
+	firstName := ""
+	for _, result := range results {
+		if !result.refName.IsBranch() {
+			continue
+		}
+
+		name := result.refName.BranchName()
+		if len(firstName) == 0 {
+			firstName = name
+		}
+
+		hasDefault = hasDefault || name == defaultBranchName
+		hasMaster = hasMaster || name == "master"
+		hasMain = hasMain || name == "main"
+	}
+
+	if len(firstName) > 0 {
+		if hasDefault {
+			m.Repo.DefaultBranch = defaultBranchName
+		} else if hasMaster {
+			m.Repo.DefaultBranch = "master"
+		} else if hasMain {
+			m.Repo.DefaultBranch = "main"
+		} else {
+			m.Repo.DefaultBranch = firstName
+		}
+		// Update the git repository default branch
+		if err := gitRepo.SetDefaultBranch(m.Repo.DefaultBranch); err != nil {
+			if !git.IsErrUnsupportedVersion(err) {
+				log.Error("Failed to update default branch of underlying git repository %-v. Error: %v", m.Repo, err)
+				desc := fmt.Sprintf("Failed to uupdate default branch of underlying git repository '%s': %v", m.Repo.RepoPath(), err)
+				if err = system_model.CreateRepositoryNotice(desc); err != nil {
+					log.Error("CreateRepositoryNotice: %v", err)
+				}
+				return false
+			}
+		}
+		m.Repo.IsEmpty = false
+		// Update the is empty and default_branch columns
+		if err := repo_model.UpdateRepositoryCols(db.DefaultContext, m.Repo, "default_branch", "is_empty"); err != nil {
+			log.Error("Failed to update default branch of repository %-v. Error: %v", m.Repo, err)
+			desc := fmt.Sprintf("Failed to uupdate default branch of repository '%s': %v", m.Repo.RepoPath(), err)
+			if err = system_model.CreateRepositoryNotice(desc); err != nil {
+				log.Error("CreateRepositoryNotice: %v", err)
+			}
+			return false
+		}
+	}
+	return true
+}
--- a/services/mirror/mirror_push.go
+++ b/services/mirror/mirror_push.go
@ -0,0 +1,267 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package mirror
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"regexp"
+	"strings"
+	"time"
+
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/lfs"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/process"
+	"code.gitea.io/gitea/modules/repository"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
+)
+
+var stripExitStatus = regexp.MustCompile(`exit status \d+ - `)
+
+// AddPushMirrorRemote registers the push mirror remote.
+func AddPushMirrorRemote(ctx context.Context, m *repo_model.PushMirror, addr string) error {
+	addRemoteAndConfig := func(addr, path string) error {
+		cmd := git.NewCommand(ctx, "remote", "add", "--mirror=push").AddDynamicArguments(m.RemoteName, addr)
+		if strings.Contains(addr, "://") && strings.Contains(addr, "@") {
+			cmd.SetDescription(fmt.Sprintf("remote add %s --mirror=push %s [repo_path: %s]", m.RemoteName, util.SanitizeCredentialURLs(addr), path))
+		} else {
+			cmd.SetDescription(fmt.Sprintf("remote add %s --mirror=push %s [repo_path: %s]", m.RemoteName, addr, path))
+		}
+		if _, _, err := cmd.RunStdString(&git.RunOpts{Dir: path}); err != nil {
+			return err
+		}
+		if _, _, err := git.NewCommand(ctx, "config", "--add").AddDynamicArguments("remote."+m.RemoteName+".push", "+refs/heads/*:refs/heads/*").RunStdString(&git.RunOpts{Dir: path}); err != nil {
+			return err
+		}
+		if _, _, err := git.NewCommand(ctx, "config", "--add").AddDynamicArguments("remote."+m.RemoteName+".push", "+refs/tags/*:refs/tags/*").RunStdString(&git.RunOpts{Dir: path}); err != nil {
+			return err
+		}
+		return nil
+	}
+
+	if err := addRemoteAndConfig(addr, m.Repo.RepoPath()); err != nil {
+		return err
+	}
+
+	if m.Repo.HasWiki() {
+		wikiRemoteURL := repository.WikiRemoteURL(ctx, addr)
+		if len(wikiRemoteURL) > 0 {
+			if err := addRemoteAndConfig(wikiRemoteURL, m.Repo.WikiPath()); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+// RemovePushMirrorRemote removes the push mirror remote.
+func RemovePushMirrorRemote(ctx context.Context, m *repo_model.PushMirror) error {
+	cmd := git.NewCommand(ctx, "remote", "rm").AddDynamicArguments(m.RemoteName)
+	_ = m.GetRepository()
+
+	if _, _, err := cmd.RunStdString(&git.RunOpts{Dir: m.Repo.RepoPath()}); err != nil {
+		return err
+	}
+
+	if m.Repo.HasWiki() {
+		if _, _, err := cmd.RunStdString(&git.RunOpts{Dir: m.Repo.WikiPath()}); err != nil {
+			// The wiki remote may not exist
+			log.Warn("Wiki Remote[%d] could not be removed: %v", m.ID, err)
+		}
+	}
+
+	return nil
+}
+
+// SyncPushMirror starts the sync of the push mirror and schedules the next run.
+func SyncPushMirror(ctx context.Context, mirrorID int64) bool {
+	log.Trace("SyncPushMirror [mirror: %d]", mirrorID)
+	defer func() {
+		err := recover()
+		if err == nil {
+			return
+		}
+		// There was a panic whilst syncPushMirror...
+		log.Error("PANIC whilst syncPushMirror[%d] Panic: %v\nStacktrace: %s", mirrorID, err, log.Stack(2))
+	}()
+
+	m, err := repo_model.GetPushMirror(ctx, repo_model.PushMirrorOptions{ID: mirrorID})
+	if err != nil {
+		log.Error("GetPushMirrorByID [%d]: %v", mirrorID, err)
+		return false
+	}
+
+	_ = m.GetRepository()
+
+	m.LastError = ""
+
+	ctx, _, finished := process.GetManager().AddContext(ctx, fmt.Sprintf("Syncing PushMirror %s/%s to %s", m.Repo.OwnerName, m.Repo.Name, m.RemoteName))
+	defer finished()
+
+	log.Trace("SyncPushMirror [mirror: %d][repo: %-v]: Running Sync", m.ID, m.Repo)
+	err = runPushSync(ctx, m)
+	if err != nil {
+		log.Error("SyncPushMirror [mirror: %d][repo: %-v]: %v", m.ID, m.Repo, err)
+		m.LastError = stripExitStatus.ReplaceAllLiteralString(err.Error(), "")
+	}
+
+	m.LastUpdateUnix = timeutil.TimeStampNow()
+
+	if err := repo_model.UpdatePushMirror(ctx, m); err != nil {
+		log.Error("UpdatePushMirror [%d]: %v", m.ID, err)
+
+		return false
+	}
+
+	log.Trace("SyncPushMirror [mirror: %d][repo: %-v]: Finished", m.ID, m.Repo)
+
+	return err == nil
+}
+
+func runPushSync(ctx context.Context, m *repo_model.PushMirror) error {
+	timeout := time.Duration(setting.Git.Timeout.Mirror) * time.Second
+
+	performPush := func(path string) error {
+		remoteURL, err := git.GetRemoteURL(ctx, path, m.RemoteName)
+		if err != nil {
+			log.Error("GetRemoteAddress(%s) Error %v", path, err)
+			return errors.New("Unexpected error")
+		}
+
+		if setting.LFS.StartServer {
+			log.Trace("SyncMirrors [repo: %-v]: syncing LFS objects...", m.Repo)
+
+			gitRepo, err := git.OpenRepository(ctx, path)
+			if err != nil {
+				log.Error("OpenRepository: %v", err)
+				return errors.New("Unexpected error")
+			}
+			defer gitRepo.Close()
+
+			endpoint := lfs.DetermineEndpoint(remoteURL.String(), "")
+			lfsClient := lfs.NewClient(endpoint, nil)
+			if err := pushAllLFSObjects(ctx, gitRepo, lfsClient); err != nil {
+				return util.SanitizeErrorCredentialURLs(err)
+			}
+		}
+
+		log.Trace("Pushing %s mirror[%d] remote %s", path, m.ID, m.RemoteName)
+
+		if err := git.Push(ctx, path, git.PushOptions{
+			Remote:  m.RemoteName,
+			Force:   true,
+			Mirror:  true,
+			Timeout: timeout,
+		}); err != nil {
+			log.Error("Error pushing %s mirror[%d] remote %s: %v", path, m.ID, m.RemoteName, err)
+
+			return util.SanitizeErrorCredentialURLs(err)
+		}
+
+		return nil
+	}
+
+	err := performPush(m.Repo.RepoPath())
+	if err != nil {
+		return err
+	}
+
+	if m.Repo.HasWiki() {
+		wikiPath := m.Repo.WikiPath()
+		_, err := git.GetRemoteAddress(ctx, wikiPath, m.RemoteName)
+		if err == nil {
+			err := performPush(wikiPath)
+			if err != nil {
+				return err
+			}
+		} else {
+			log.Trace("Skipping wiki: No remote configured")
+		}
+	}
+
+	return nil
+}
+
+func pushAllLFSObjects(ctx context.Context, gitRepo *git.Repository, lfsClient lfs.Client) error {
+	contentStore := lfs.NewContentStore()
+
+	pointerChan := make(chan lfs.PointerBlob)
+	errChan := make(chan error, 1)
+	go lfs.SearchPointerBlobs(ctx, gitRepo, pointerChan, errChan)
+
+	uploadObjects := func(pointers []lfs.Pointer) error {
+		err := lfsClient.Upload(ctx, pointers, func(p lfs.Pointer, objectError error) (io.ReadCloser, error) {
+			if objectError != nil {
+				return nil, objectError
+			}
+
+			content, err := contentStore.Get(p)
+			if err != nil {
+				log.Error("Error reading LFS object %v: %v", p, err)
+			}
+			return content, err
+		})
+		if err != nil {
+			select {
+			case <-ctx.Done():
+				return nil
+			default:
+			}
+		}
+		return err
+	}
+
+	var batch []lfs.Pointer
+	for pointerBlob := range pointerChan {
+		exists, err := contentStore.Exists(pointerBlob.Pointer)
+		if err != nil {
+			log.Error("Error checking if LFS object %v exists: %v", pointerBlob.Pointer, err)
+			return err
+		}
+		if !exists {
+			log.Trace("Skipping missing LFS object %v", pointerBlob.Pointer)
+			continue
+		}
+
+		batch = append(batch, pointerBlob.Pointer)
+		if len(batch) >= lfsClient.BatchSize() {
+			if err := uploadObjects(batch); err != nil {
+				return err
+			}
+			batch = nil
+		}
+	}
+	if len(batch) > 0 {
+		if err := uploadObjects(batch); err != nil {
+			return err
+		}
+	}
+
+	err, has := <-errChan
+	if has {
+		log.Error("Error enumerating LFS objects for repository: %v", err)
+		return err
+	}
+
+	return nil
+}
+
+func syncPushMirrorWithSyncOnCommit(ctx context.Context, repoID int64) {
+	pushMirrors, err := repo_model.GetPushMirrorsSyncedOnCommit(ctx, repoID)
+	if err != nil {
+		log.Error("repo_model.GetPushMirrorsSyncedOnCommit failed: %v", err)
+		return
+	}
+
+	for _, mirror := range pushMirrors {
+		AddPushMirrorToQueue(mirror.ID)
+	}
+}
--- a/services/mirror/notifier.go
+++ b/services/mirror/notifier.go
@ -0,0 +1,31 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package mirror
+
+import (
+	"context"
+
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/repository"
+	notify_service "code.gitea.io/gitea/services/notify"
+)
+
+func init() {
+	notify_service.RegisterNotifier(&mirrorNotifier{})
+}
+
+type mirrorNotifier struct {
+	notify_service.NullNotifier
+}
+
+var _ notify_service.Notifier = &mirrorNotifier{}
+
+func (m *mirrorNotifier) PushCommits(ctx context.Context, _ *user_model.User, repo *repo_model.Repository, _ *repository.PushUpdateOptions, _ *repository.PushCommits) {
+	syncPushMirrorWithSyncOnCommit(ctx, repo.ID)
+}
+
+func (m *mirrorNotifier) SyncPushCommits(ctx context.Context, _ *user_model.User, repo *repo_model.Repository, _ *repository.PushUpdateOptions, _ *repository.PushCommits) {
+	syncPushMirrorWithSyncOnCommit(ctx, repo.ID)
+}
--- a/services/mirror/queue.go
+++ b/services/mirror/queue.go
@ -0,0 +1,72 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package mirror
+
+import (
+	"code.gitea.io/gitea/modules/graceful"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/queue"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+var mirrorQueue *queue.WorkerPoolQueue[*SyncRequest]
+
+// SyncType type of sync request
+type SyncType int
+
+const (
+	// PullMirrorType for pull mirrors
+	PullMirrorType SyncType = iota
+	// PushMirrorType for push mirrors
+	PushMirrorType
+)
+
+// SyncRequest for the mirror queue
+type SyncRequest struct {
+	Type           SyncType
+	ReferenceID    int64 // RepoID for pull mirror, MirrorID for push mirror
+	DelOldBranches bool  // RepoID for pull mirror, MirrorID for push mirror
+}
+
+// StartSyncMirrors starts a go routine to sync the mirrors
+func StartSyncMirrors(queueHandle func(data ...*SyncRequest) []*SyncRequest) {
+	if !setting.Mirror.Enabled {
+		return
+	}
+	mirrorQueue = queue.CreateUniqueQueue(graceful.GetManager().ShutdownContext(), "mirror-new", queueHandle)
+	if mirrorQueue == nil {
+		log.Fatal("Unable to create mirror queue")
+	}
+	go graceful.GetManager().RunWithCancel(mirrorQueue)
+}
+
+// AddPullMirrorToQueue adds repoID to mirror queue
+func AddPullMirrorToQueue(repoID int64, delOldBranches bool) {
+	addMirrorToQueue(PullMirrorType, repoID, delOldBranches)
+}
+
+// AddPushMirrorToQueue adds the push mirror to the queue
+func AddPushMirrorToQueue(mirrorID int64) {
+	addMirrorToQueue(PushMirrorType, mirrorID, false)
+}
+
+func addMirrorToQueue(syncType SyncType, referenceID int64, delOldBranches bool) {
+	if !setting.Mirror.Enabled {
+		return
+	}
+	go func() {
+		if err := PushToQueue(syncType, referenceID, delOldBranches); err != nil {
+			log.Error("Unable to push sync request for to the queue for pull mirror repo[%d]. Error: %v", referenceID, err)
+		}
+	}()
+}
+
+// PushToQueue adds the sync request to the queue
+func PushToQueue(mirrorType SyncType, referenceID int64, delOldBranches bool) error {
+	return mirrorQueue.Push(&SyncRequest{
+		Type:           mirrorType,
+		ReferenceID:    referenceID,
+		DelOldBranches: delOldBranches,
+	})
+}