Fix repo-restore bug with poster not replaced (#14759)

* Fix restore bug

* Fix restore bug

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>

modules/migrations/dump.go

@@ -12,6 +12,7 @@ import (
 	"net/url"
 	"os"
 	"path/filepath"
+	"strconv"
 	"time"
 
 	"code.gitea.io/gitea/models"
@@ -19,6 +20,7 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/migrations/base"
 	"code.gitea.io/gitea/modules/repository"
+	"code.gitea.io/gitea/modules/structs"
 
 	"gopkg.in/yaml.v2"
 )
@@ -572,20 +574,27 @@ func RestoreRepository(ctx context.Context, baseDir string, ownerName, repoName
 	if err != nil {
 		return err
 	}
+	opts, err := downloader.getRepoOptions()
+	if err != nil {
+		return err
+	}
+	tp, _ := strconv.Atoi(opts["service_type"])
+
 	if err = migrateRepository(downloader, uploader, base.MigrateOptions{
-		Wiki:          true,
-		Issues:        true,
-		Milestones:    true,
-		Labels:        true,
-		Releases:      true,
-		Comments:      true,
-		PullRequests:  true,
-		ReleaseAssets: true,
+		Wiki:           true,
+		Issues:         true,
+		Milestones:     true,
+		Labels:         true,
+		Releases:       true,
+		Comments:       true,
+		PullRequests:   true,
+		ReleaseAssets:  true,
+		GitServiceType: structs.GitServiceType(tp),
 	}); err != nil {
 		if err1 := uploader.Rollback(); err1 != nil {
 			log.Error("rollback failed: %v", err1)
 		}
 		return err
 	}
-	return nil
+	return updateMigrationPosterIDByGitService(ctx, structs.GitServiceType(tp))
 }

modules/migrations/restore.go

@@ -53,8 +53,7 @@ func (r *RepositoryRestorer) SetContext(ctx context.Context) {
 	r.ctx = ctx
 }
 
-// GetRepoInfo returns a repository information
-func (r *RepositoryRestorer) GetRepoInfo() (*base.Repository, error) {
+func (r *RepositoryRestorer) getRepoOptions() (map[string]string, error) {
 	p := filepath.Join(r.baseDir, "repo.yml")
 	bs, err := ioutil.ReadFile(p)
 	if err != nil {
@@ -66,6 +65,15 @@ func (r *RepositoryRestorer) GetRepoInfo() (*base.Repository, error) {
 	if err != nil {
 		return nil, err
 	}
+	return opts, nil
+}
+
+// GetRepoInfo returns a repository information
+func (r *RepositoryRestorer) GetRepoInfo() (*base.Repository, error) {
+	opts, err := r.getRepoOptions()
+	if err != nil {
+		return nil, err
+	}
 
 	isPrivate, _ := strconv.ParseBool(opts["is_private"])