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Diffstat (limited to '')
| -rw-r--r-- | services/repository/migrate.go | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/services/repository/migrate.go b/services/repository/migrate.go new file mode 100644 index 0000000..39ced04 --- /dev/null +++ b/services/repository/migrate.go @@ -0,0 +1,289 @@ +// Copyright 2024 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package repository + +import ( + "context" + "errors" + "fmt" + "net/http" + "strings" + "time" + + "code.gitea.io/gitea/models/db" + "code.gitea.io/gitea/models/organization" + repo_model "code.gitea.io/gitea/models/repo" + user_model "code.gitea.io/gitea/models/user" + "code.gitea.io/gitea/modules/git" + "code.gitea.io/gitea/modules/gitrepo" + "code.gitea.io/gitea/modules/lfs" + "code.gitea.io/gitea/modules/log" + "code.gitea.io/gitea/modules/migration" + repo_module "code.gitea.io/gitea/modules/repository" + "code.gitea.io/gitea/modules/setting" + "code.gitea.io/gitea/modules/timeutil" + "code.gitea.io/gitea/modules/util" +) + +// MigrateRepositoryGitData starts migrating git related data after created migrating repository +func MigrateRepositoryGitData(ctx context.Context, u *user_model.User, + repo *repo_model.Repository, opts migration.MigrateOptions, + httpTransport *http.Transport, +) (*repo_model.Repository, error) { + repoPath := repo_model.RepoPath(u.Name, opts.RepoName) + + if u.IsOrganization() { + t, err := organization.OrgFromUser(u).GetOwnerTeam(ctx) + if err != nil { + return nil, err + } + repo.NumWatches = t.NumMembers + } else { + repo.NumWatches = 1 + } + + migrateTimeout := time.Duration(setting.Git.Timeout.Migrate) * time.Second + + var err error + if err = util.RemoveAll(repoPath); err != nil { + return repo, fmt.Errorf("Failed to remove %s: %w", repoPath, err) + } + + if err = git.Clone(ctx, opts.CloneAddr, repoPath, git.CloneRepoOptions{ + Mirror: true, + Quiet: true, + Timeout: migrateTimeout, + SkipTLSVerify: setting.Migrations.SkipTLSVerify, + }); err != nil { + if errors.Is(err, context.DeadlineExceeded) { + return repo, fmt.Errorf("Clone timed out. Consider increasing [git.timeout] MIGRATE in app.ini. Underlying Error: %w", err) + } + return repo, fmt.Errorf("Clone: %w", err) + } + + if err := git.WriteCommitGraph(ctx, repoPath); err != nil { + return repo, err + } + + if opts.Wiki { + wikiPath := repo_model.WikiPath(u.Name, opts.RepoName) + wikiRemotePath := repo_module.WikiRemoteURL(ctx, opts.CloneAddr) + if len(wikiRemotePath) > 0 { + if err := util.RemoveAll(wikiPath); err != nil { + return repo, fmt.Errorf("Failed to remove %s: %w", wikiPath, err) + } + + if err := git.Clone(ctx, wikiRemotePath, wikiPath, git.CloneRepoOptions{ + Mirror: true, + Quiet: true, + Timeout: migrateTimeout, + SkipTLSVerify: setting.Migrations.SkipTLSVerify, + }); err != nil { + log.Warn("Clone wiki: %v", err) + if err := util.RemoveAll(wikiPath); err != nil { + return repo, fmt.Errorf("Failed to remove %s: %w", wikiPath, err) + } + } else { + // Figure out the branch of the wiki we just cloned. We assume + // that the default branch is to be used, and we'll use the same + // name as the source. + gitRepo, err := git.OpenRepository(ctx, wikiPath) + if err != nil { + log.Warn("Failed to open wiki repository during migration: %v", err) + if err := util.RemoveAll(wikiPath); err != nil { + return repo, fmt.Errorf("Failed to remove %s: %w", wikiPath, err) + } + return repo, err + } + defer gitRepo.Close() + + branch, err := gitrepo.GetDefaultBranch(ctx, repo) + if err != nil { + log.Warn("Failed to get the default branch of a migrated wiki repo: %v", err) + if err := util.RemoveAll(wikiPath); err != nil { + return repo, fmt.Errorf("Failed to remove %s: %w", wikiPath, err) + } + + return repo, err + } + repo.WikiBranch = branch + + if err := git.WriteCommitGraph(ctx, wikiPath); err != nil { + return repo, err + } + } + } + } + + if repo.OwnerID == u.ID { + repo.Owner = u + } + + if err = repo_module.CheckDaemonExportOK(ctx, repo); err != nil { + return repo, fmt.Errorf("checkDaemonExportOK: %w", err) + } + + if stdout, _, err := git.NewCommand(ctx, "update-server-info"). + SetDescription(fmt.Sprintf("MigrateRepositoryGitData(git update-server-info): %s", repoPath)). + RunStdString(&git.RunOpts{Dir: repoPath}); err != nil { + log.Error("MigrateRepositoryGitData(git update-server-info) in %v: Stdout: %s\nError: %v", repo, stdout, err) + return repo, fmt.Errorf("error in MigrateRepositoryGitData(git update-server-info): %w", err) + } + + gitRepo, err := git.OpenRepository(ctx, repoPath) + if err != nil { + return repo, fmt.Errorf("OpenRepository: %w", err) + } + defer gitRepo.Close() + + repo.IsEmpty, err = gitRepo.IsEmpty() + if err != nil { + return repo, fmt.Errorf("git.IsEmpty: %w", err) + } + + if !repo.IsEmpty { + if len(repo.DefaultBranch) == 0 { + // Try to get HEAD branch and set it as default branch. + headBranch, err := gitRepo.GetHEADBranch() + if err != nil { + return repo, fmt.Errorf("GetHEADBranch: %w", err) + } + if headBranch != nil { + repo.DefaultBranch = headBranch.Name + } + } + + if _, err := repo_module.SyncRepoBranchesWithRepo(ctx, repo, gitRepo, u.ID); err != nil { + return repo, fmt.Errorf("SyncRepoBranchesWithRepo: %v", err) + } + + if !opts.Releases { + // note: this will greatly improve release (tag) sync + // for pull-mirrors with many tags + repo.IsMirror = opts.Mirror + if err = repo_module.SyncReleasesWithTags(ctx, repo, gitRepo); err != nil { + log.Error("Failed to synchronize tags to releases for repository: %v", err) + } + } + + if opts.LFS { + endpoint := lfs.DetermineEndpoint(opts.CloneAddr, opts.LFSEndpoint) + lfsClient := lfs.NewClient(endpoint, httpTransport) + if err = repo_module.StoreMissingLfsObjectsInRepository(ctx, repo, gitRepo, lfsClient); err != nil { + log.Error("Failed to store missing LFS objects for repository: %v", err) + return repo, fmt.Errorf("StoreMissingLfsObjectsInRepository: %w", err) + } + } + } + + ctx, committer, err := db.TxContext(ctx) + if err != nil { + return nil, err + } + defer committer.Close() + + if opts.Mirror { + remoteAddress, err := util.SanitizeURL(opts.CloneAddr) + if err != nil { + return repo, err + } + mirrorModel := repo_model.Mirror{ + RepoID: repo.ID, + Interval: setting.Mirror.DefaultInterval, + EnablePrune: true, + NextUpdateUnix: timeutil.TimeStampNow().AddDuration(setting.Mirror.DefaultInterval), + LFS: opts.LFS, + RemoteAddress: remoteAddress, + } + if opts.LFS { + mirrorModel.LFSEndpoint = opts.LFSEndpoint + } + + if opts.MirrorInterval != "" { + parsedInterval, err := time.ParseDuration(opts.MirrorInterval) + if err != nil { + log.Error("Failed to set Interval: %v", err) + return repo, err + } + if parsedInterval == 0 { + mirrorModel.Interval = 0 + mirrorModel.NextUpdateUnix = 0 + } else if parsedInterval < setting.Mirror.MinInterval { + err := fmt.Errorf("interval %s is set below Minimum Interval of %s", parsedInterval, setting.Mirror.MinInterval) + log.Error("Interval: %s is too frequent", opts.MirrorInterval) + return repo, err + } else { + mirrorModel.Interval = parsedInterval + mirrorModel.NextUpdateUnix = timeutil.TimeStampNow().AddDuration(parsedInterval) + } + } + + if err = repo_model.InsertMirror(ctx, &mirrorModel); err != nil { + return repo, fmt.Errorf("InsertOne: %w", err) + } + + repo.IsMirror = true + if err = UpdateRepository(ctx, repo, false); err != nil { + return nil, err + } + + // this is necessary for sync local tags from remote + configName := fmt.Sprintf("remote.%s.fetch", mirrorModel.GetRemoteName()) + if stdout, _, err := git.NewCommand(ctx, "config"). + AddOptionValues("--add", configName, `+refs/tags/*:refs/tags/*`). + RunStdString(&git.RunOpts{Dir: repoPath}); err != nil { + log.Error("MigrateRepositoryGitData(git config --add <remote> +refs/tags/*:refs/tags/*) in %v: Stdout: %s\nError: %v", repo, stdout, err) + return repo, fmt.Errorf("error in MigrateRepositoryGitData(git config --add <remote> +refs/tags/*:refs/tags/*): %w", err) + } + } else { + if err = repo_module.UpdateRepoSize(ctx, repo); err != nil { + log.Error("Failed to update size for repository: %v", err) + } + if repo, err = CleanUpMigrateInfo(ctx, repo); err != nil { + return nil, err + } + } + + return repo, committer.Commit() +} + +// cleanUpMigrateGitConfig removes mirror info which prevents "push --all". +// This also removes possible user credentials. +func cleanUpMigrateGitConfig(ctx context.Context, repoPath string) error { + cmd := git.NewCommand(ctx, "remote", "rm", "origin") + // if the origin does not exist + _, stderr, err := cmd.RunStdString(&git.RunOpts{ + Dir: repoPath, + }) + if err != nil && !strings.HasPrefix(stderr, "fatal: No such remote") { + return err + } + return nil +} + +// CleanUpMigrateInfo finishes migrating repository and/or wiki with things that don't need to be done for mirrors. +func CleanUpMigrateInfo(ctx context.Context, repo *repo_model.Repository) (*repo_model.Repository, error) { + repoPath := repo.RepoPath() + if err := repo_module.CreateDelegateHooks(repoPath); err != nil { + return repo, fmt.Errorf("createDelegateHooks: %w", err) + } + if repo.HasWiki() { + if err := repo_module.CreateDelegateHooks(repo.WikiPath()); err != nil { + return repo, fmt.Errorf("createDelegateHooks.(wiki): %w", err) + } + } + + _, _, err := git.NewCommand(ctx, "remote", "rm", "origin").RunStdString(&git.RunOpts{Dir: repoPath}) + if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") { + return repo, fmt.Errorf("CleanUpMigrateInfo: %w", err) + } + + if repo.HasWiki() { + if err := cleanUpMigrateGitConfig(ctx, repo.WikiPath()); err != nil { + return repo, fmt.Errorf("cleanUpMigrateGitConfig (wiki): %w", err) + } + } + + return repo, UpdateRepository(ctx, repo, false) +} |