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