Cleanup lock files

Author: lunny

modules/gitrepo/cleanup.go

@@ -0,0 +1,42 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package gitrepo
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+var lockFiles = []string{
+	"config.lock",
+	"objects/info/commit-graphs/commit-graph-chain.lock",
+}
+
+// CleanupRepo cleans up the repository by removing unnecessary lock files.
+func CleanupRepo(ctx context.Context, repo Repository) error {
+	return CleanFixedFileLocks(ctx, repo, time.Now())
+}
+
+// CleanFixedFileLocks removes lock files that haven't been modified since the last update.
+func CleanFixedFileLocks(ctx context.Context, repo Repository, lastUpdated time.Time) error {
+	for _, lockFile := range lockFiles {
+		p := filepath.Join(repoPath(repo), lockFile)
+		fInfo, err := os.Stat(p)
+		if err != nil {
+			if os.IsNotExist(err) {
+				continue
+			}
+			return err
+		}
+
+		if fInfo.ModTime().Before(lastUpdated) {
+			if err := os.Remove(p); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}