Revert wrong change in test

Author: lunny

services/migrations/gitea_uploader_test.go

@@ -236,7 +236,8 @@ func TestGiteaUploadUpdateGitForPullRequest(t *testing.T) {
 	//
 	fromRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
 	baseRef := "master"
-	assert.NoError(t, gitrepo.InitRepository(git.DefaultContext, fromRepo))
+	// this is very different from the real situation. It should be a bare repository for all the Gitea managed repositories
+	assert.NoError(t, git.InitRepository(git.DefaultContext, fromRepo.RepoPath(), false, fromRepo.ObjectFormatName))
 	err := git.NewCommand("symbolic-ref").AddDynamicArguments("HEAD", git.BranchPrefix+baseRef).Run(git.DefaultContext, &git.RunOpts{Dir: fromRepo.RepoPath()})
 	assert.NoError(t, err)
 	assert.NoError(t, os.WriteFile(filepath.Join(fromRepo.RepoPath(), "README.md"), []byte(fmt.Sprintf("# Testing Repository\n\nOriginally created in: %s", fromRepo.RepoPath())), 0o644))