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