From 8d34c2fab9a6816d0738925e1c8d1c6aa721cd1f Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Sat, 30 Apr 2022 14:50:56 +0200
Subject: [PATCH] fix #19545 (#19563)

---
 modules/repository/repo.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/modules/repository/repo.go b/modules/repository/repo.go
index 0dffa322d0..30ca6fdff8 100644
--- a/modules/repository/repo.go
+++ b/modules/repository/repo.go
@@ -93,7 +93,7 @@ func MigrateRepositoryGitData(ctx context.Context, u *user_model.User,
 				return repo, fmt.Errorf("Failed to remove %s: %v", wikiPath, err)
 			}
 
-			if err = git.Clone(ctx, wikiRemotePath, wikiPath, git.CloneRepoOptions{
+			if err := git.Clone(ctx, wikiRemotePath, wikiPath, git.CloneRepoOptions{
 				Mirror:        true,
 				Quiet:         true,
 				Timeout:       migrateTimeout,
@@ -104,11 +104,12 @@ func MigrateRepositoryGitData(ctx context.Context, u *user_model.User,
 				if err := util.RemoveAll(wikiPath); err != nil {
 					return repo, fmt.Errorf("Failed to remove %s: %v", wikiPath, err)
 				}
+			} else {
+				if err := git.WriteCommitGraph(ctx, wikiPath); err != nil {
+					return repo, err
+				}
 			}
 		}
-		if err := git.WriteCommitGraph(ctx, wikiPath); err != nil {
-			return repo, err
-		}
 	}
 
 	if repo.OwnerID == u.ID {