snapshot of https://github.com/go-gitea/gitea.git (main, 2026-09-15; blobs > 131072B omitted)

modules/git/archive.go

@@ -0,0 +1,74 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"gitea.dev/modules/git/gitcmd"
+	"gitea.dev/modules/git/gitrepo"
+	"gitea.dev/modules/setting"
+)
+
+// CreateArchive create archive content to the target path
+func CreateArchive(ctx context.Context, repo RepositoryFacade, repoName, format string, target io.Writer, commitID string, paths []string) error {
+	if format == "unknown" {
+		return fmt.Errorf("unknown format: %v", format)
+	}
+
+	cmd := gitcmd.NewCommand("archive")
+	if setting.Repository.PrefixArchiveFiles {
+		cmd.AddOptionFormat("--prefix=%s", strings.ToLower(repoName)+"/")
+	}
+	cmd.AddOptionFormat("--format=%s", format)
+	cmd.AddDynamicArguments(commitID)
+
+	for i := range paths {
+		// although "git archive" already ensures the paths won't go outside the repo, we still clean them here for safety
+		cmd.AddDynamicArguments(path.Clean(paths[i]))
+	}
+	return cmd.WithStdoutCopy(target).WithRepo(repo).RunWithStderr(ctx)
+}
+
+// CreateBundle create bundle content to the target path
+func CreateBundle(ctx context.Context, repo RepositoryFacade, commit string, out io.Writer) error {
+	// TODO: use the following steps instead of creating a temp repo, also need to iterate and clean up outdated refs
+	// the temp ref has to be under refs/heads/*, and a clone only checks out with a HEAD, which needs the temp repo
+	// git update-ref refs/heads/bundle-temp-{timestamp} {commit}
+	// git bundle create - refs/heads/bundle-temp-{timestamp}
+	// git update-ref -d refs/heads/bundle-temp-{timestamp}
+	tmpDir, cleanup, err := setting.AppDataTempDir("git-repo-content").MkdirTempRandom("gitea-bundle")
+	if err != nil {
+		return err
+	}
+	defer cleanup()
+
+	env := append(os.Environ(), "GIT_OBJECT_DIRECTORY="+filepath.Join(gitrepo.RepoLocalPath(repo), "objects"))
+	gitTmpCmd := func() *gitcmd.Command {
+		return gitcmd.NewCommand().WithDir(tmpDir).WithEnv(env)
+	}
+
+	_, _, err = gitTmpCmd().AddArguments("init", "--bare").RunStdString(ctx)
+	if err != nil {
+		return err
+	}
+
+	_, _, err = gitTmpCmd().AddArguments("reset", "--soft").AddDynamicArguments(commit).RunStdString(ctx)
+	if err != nil {
+		return err
+	}
+
+	_, _, err = gitTmpCmd().AddArguments("branch", "-m", "bundle").RunStdString(ctx)
+	if err != nil {
+		return err
+	}
+
+	return gitTmpCmd().AddArguments("bundle", "create", "-", "bundle", "HEAD").WithStdoutCopy(out).RunWithStderr(ctx)
+}