624 lines
20 KiB
Go
624 lines
20 KiB
Go
// Copyright 2019 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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"io"
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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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git_model "code.gitea.io/gitea/models/git"
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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/container"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/gitrepo"
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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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"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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/*
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GitHub, GitLab, Gogs: *.wiki.git
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BitBucket: *.git/wiki
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*/
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var commonWikiURLSuffixes = []string{".wiki.git", ".git/wiki"}
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// WikiRemoteURL returns accessible repository URL for wiki if exists.
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// Otherwise, it returns an empty string.
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func WikiRemoteURL(ctx context.Context, remote string) string {
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remote = strings.TrimSuffix(remote, ".git")
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for _, suffix := range commonWikiURLSuffixes {
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wikiURL := remote + suffix
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if git.IsRepoURLAccessible(ctx, wikiURL) {
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return wikiURL
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}
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}
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return ""
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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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var err error
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if err = util.RemoveAll(repoPath); err != nil {
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return repo, fmt.Errorf("Failed to remove %s: %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 Error: %w", err)
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}
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return repo, fmt.Errorf("Clone: %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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wikiPath := repo_model.WikiPath(u.Name, opts.RepoName)
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wikiRemotePath := WikiRemoteURL(ctx, opts.CloneAddr)
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if len(wikiRemotePath) > 0 {
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if err := util.RemoveAll(wikiPath); err != nil {
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return repo, fmt.Errorf("Failed to remove %s: %w", wikiPath, err)
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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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Branch: "master",
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SkipTLSVerify: setting.Migrations.SkipTLSVerify,
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}); err != nil {
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log.Warn("Clone wiki: %v", err)
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if err := util.RemoveAll(wikiPath); err != nil {
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return repo, fmt.Errorf("Failed to remove %s: %w", wikiPath, err)
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}
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} else {
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if err := git.WriteCommitGraph(ctx, wikiPath); err != nil {
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return repo, err
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}
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}
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}
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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 = 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 := 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 = 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 = 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 = 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 := 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 := 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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// SyncRepoTags synchronizes releases table with repository tags
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func SyncRepoTags(ctx context.Context, repoID int64) error {
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repo, err := repo_model.GetRepositoryByID(ctx, repoID)
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if err != nil {
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return err
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}
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gitRepo, err := gitrepo.OpenRepository(ctx, repo)
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if err != nil {
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return err
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}
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defer gitRepo.Close()
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return SyncReleasesWithTags(ctx, repo, gitRepo)
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}
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// SyncReleasesWithTags synchronizes release table with repository tags
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func SyncReleasesWithTags(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository) error {
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log.Debug("SyncReleasesWithTags: in Repo[%d:%s/%s]", repo.ID, repo.OwnerName, repo.Name)
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// optimized procedure for pull-mirrors which saves a lot of time (in
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// particular for repos with many tags).
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if repo.IsMirror {
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return pullMirrorReleaseSync(ctx, repo, gitRepo)
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}
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existingRelTags := make(container.Set[string])
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opts := repo_model.FindReleasesOptions{
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IncludeDrafts: true,
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IncludeTags: true,
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ListOptions: db.ListOptions{PageSize: 50},
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RepoID: repo.ID,
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}
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for page := 1; ; page++ {
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opts.Page = page
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rels, err := db.Find[repo_model.Release](gitRepo.Ctx, opts)
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if err != nil {
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return fmt.Errorf("unable to GetReleasesByRepoID in Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
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}
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if len(rels) == 0 {
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break
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}
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for _, rel := range rels {
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if rel.IsDraft {
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continue
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}
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commitID, err := gitRepo.GetTagCommitID(rel.TagName)
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if err != nil && !git.IsErrNotExist(err) {
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return fmt.Errorf("unable to GetTagCommitID for %q in Repo[%d:%s/%s]: %w", rel.TagName, repo.ID, repo.OwnerName, repo.Name, err)
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}
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if git.IsErrNotExist(err) || commitID != rel.Sha1 {
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if err := repo_model.PushUpdateDeleteTag(ctx, repo, rel.TagName); err != nil {
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return fmt.Errorf("unable to PushUpdateDeleteTag: %q in Repo[%d:%s/%s]: %w", rel.TagName, repo.ID, repo.OwnerName, repo.Name, err)
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}
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} else {
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existingRelTags.Add(strings.ToLower(rel.TagName))
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}
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}
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}
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_, err := gitRepo.WalkReferences(git.ObjectTag, 0, 0, func(sha1, refname string) error {
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tagName := strings.TrimPrefix(refname, git.TagPrefix)
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if existingRelTags.Contains(strings.ToLower(tagName)) {
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return nil
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}
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if err := PushUpdateAddTag(ctx, repo, gitRepo, tagName, sha1, refname); err != nil {
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return fmt.Errorf("unable to PushUpdateAddTag: %q to Repo[%d:%s/%s]: %w", tagName, repo.ID, repo.OwnerName, repo.Name, err)
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}
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return nil
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})
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return err
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}
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// PushUpdateAddTag must be called for any push actions to add tag
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func PushUpdateAddTag(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository, tagName, sha1, refname string) error {
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tag, err := gitRepo.GetTagWithID(sha1, tagName)
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if err != nil {
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return fmt.Errorf("unable to GetTag: %w", err)
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}
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commit, err := tag.Commit(gitRepo)
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if err != nil {
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return fmt.Errorf("unable to get tag Commit: %w", err)
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}
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sig := tag.Tagger
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if sig == nil {
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sig = commit.Author
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}
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if sig == nil {
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sig = commit.Committer
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}
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var author *user_model.User
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createdAt := time.Unix(1, 0)
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if sig != nil {
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author, err = user_model.GetUserByEmail(ctx, sig.Email)
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if err != nil && !user_model.IsErrUserNotExist(err) {
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return fmt.Errorf("unable to GetUserByEmail for %q: %w", sig.Email, err)
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}
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createdAt = sig.When
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}
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commitsCount, err := commit.CommitsCount()
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if err != nil {
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return fmt.Errorf("unable to get CommitsCount: %w", err)
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}
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rel := repo_model.Release{
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RepoID: repo.ID,
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TagName: tagName,
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LowerTagName: strings.ToLower(tagName),
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Sha1: commit.ID.String(),
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NumCommits: commitsCount,
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CreatedUnix: timeutil.TimeStamp(createdAt.Unix()),
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IsTag: true,
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}
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if author != nil {
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rel.PublisherID = author.ID
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}
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return repo_model.SaveOrUpdateTag(ctx, repo, &rel)
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}
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// StoreMissingLfsObjectsInRepository downloads missing LFS objects
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func StoreMissingLfsObjectsInRepository(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository, lfsClient lfs.Client) error {
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contentStore := lfs.NewContentStore()
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pointerChan := make(chan lfs.PointerBlob)
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errChan := make(chan error, 1)
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go lfs.SearchPointerBlobs(ctx, gitRepo, pointerChan, errChan)
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downloadObjects := func(pointers []lfs.Pointer) error {
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err := lfsClient.Download(ctx, pointers, func(p lfs.Pointer, content io.ReadCloser, objectError error) error {
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if objectError != nil {
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return objectError
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}
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defer content.Close()
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_, err := git_model.NewLFSMetaObject(ctx, repo.ID, p)
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if err != nil {
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log.Error("Repo[%-v]: Error creating LFS meta object %-v: %v", repo, p, err)
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return err
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}
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if err := contentStore.Put(p, content); err != nil {
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log.Error("Repo[%-v]: Error storing content for LFS meta object %-v: %v", repo, p, err)
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if _, err2 := git_model.RemoveLFSMetaObjectByOid(ctx, repo.ID, p.Oid); err2 != nil {
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log.Error("Repo[%-v]: Error removing LFS meta object %-v: %v", repo, p, err2)
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}
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return err
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}
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return nil
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})
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if err != nil {
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select {
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case <-ctx.Done():
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return nil
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default:
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}
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}
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return err
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}
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var batch []lfs.Pointer
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for pointerBlob := range pointerChan {
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meta, err := git_model.GetLFSMetaObjectByOid(ctx, repo.ID, pointerBlob.Oid)
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if err != nil && err != git_model.ErrLFSObjectNotExist {
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log.Error("Repo[%-v]: Error querying LFS meta object %-v: %v", repo, pointerBlob.Pointer, err)
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return err
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}
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if meta != nil {
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log.Trace("Repo[%-v]: Skipping unknown LFS meta object %-v", repo, pointerBlob.Pointer)
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continue
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}
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log.Trace("Repo[%-v]: LFS object %-v not present in repository", repo, pointerBlob.Pointer)
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exist, err := contentStore.Exists(pointerBlob.Pointer)
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if err != nil {
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log.Error("Repo[%-v]: Error checking if LFS object %-v exists: %v", repo, pointerBlob.Pointer, err)
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return err
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}
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if exist {
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log.Trace("Repo[%-v]: LFS object %-v already present; creating meta object", repo, pointerBlob.Pointer)
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_, err := git_model.NewLFSMetaObject(ctx, repo.ID, pointerBlob.Pointer)
|
|
if err != nil {
|
|
log.Error("Repo[%-v]: Error creating LFS meta object %-v: %v", repo, pointerBlob.Pointer, err)
|
|
return err
|
|
}
|
|
} else {
|
|
if setting.LFS.MaxFileSize > 0 && pointerBlob.Size > setting.LFS.MaxFileSize {
|
|
log.Info("Repo[%-v]: LFS object %-v download denied because of LFS_MAX_FILE_SIZE=%d < size %d", repo, pointerBlob.Pointer, setting.LFS.MaxFileSize, pointerBlob.Size)
|
|
continue
|
|
}
|
|
|
|
batch = append(batch, pointerBlob.Pointer)
|
|
if len(batch) >= lfsClient.BatchSize() {
|
|
if err := downloadObjects(batch); err != nil {
|
|
return err
|
|
}
|
|
batch = nil
|
|
}
|
|
}
|
|
}
|
|
if len(batch) > 0 {
|
|
if err := downloadObjects(batch); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
err, has := <-errChan
|
|
if has {
|
|
log.Error("Repo[%-v]: Error enumerating LFS objects for repository: %v", repo, err)
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// shortRelease to reduce load memory, this struct can replace repo_model.Release
|
|
type shortRelease struct {
|
|
ID int64
|
|
TagName string
|
|
Sha1 string
|
|
IsTag bool
|
|
}
|
|
|
|
func (shortRelease) TableName() string {
|
|
return "release"
|
|
}
|
|
|
|
// pullMirrorReleaseSync is a pull-mirror specific tag<->release table
|
|
// synchronization which overwrites all Releases from the repository tags. This
|
|
// can be relied on since a pull-mirror is always identical to its
|
|
// upstream. Hence, after each sync we want the pull-mirror release set to be
|
|
// identical to the upstream tag set. This is much more efficient for
|
|
// repositories like https://github.com/vim/vim (with over 13000 tags).
|
|
func pullMirrorReleaseSync(ctx context.Context, repo *repo_model.Repository, gitRepo *git.Repository) error {
|
|
log.Trace("pullMirrorReleaseSync: rebuilding releases for pull-mirror Repo[%d:%s/%s]", repo.ID, repo.OwnerName, repo.Name)
|
|
tags, numTags, err := gitRepo.GetTagInfos(0, 0)
|
|
if err != nil {
|
|
return fmt.Errorf("unable to GetTagInfos in pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
|
|
}
|
|
err = db.WithTx(ctx, func(ctx context.Context) error {
|
|
dbReleases, err := db.Find[shortRelease](ctx, repo_model.FindReleasesOptions{
|
|
RepoID: repo.ID,
|
|
IncludeDrafts: true,
|
|
IncludeTags: true,
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("unable to FindReleases in pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
|
|
}
|
|
|
|
inserts, deletes, updates := calcSync(tags, dbReleases)
|
|
//
|
|
// make release set identical to upstream tags
|
|
//
|
|
for _, tag := range inserts {
|
|
release := repo_model.Release{
|
|
RepoID: repo.ID,
|
|
TagName: tag.Name,
|
|
LowerTagName: strings.ToLower(tag.Name),
|
|
Sha1: tag.Object.String(),
|
|
// NOTE: ignored, since NumCommits are unused
|
|
// for pull-mirrors (only relevant when
|
|
// displaying releases, IsTag: false)
|
|
NumCommits: -1,
|
|
CreatedUnix: timeutil.TimeStamp(tag.Tagger.When.Unix()),
|
|
IsTag: true,
|
|
}
|
|
if err := db.Insert(ctx, release); err != nil {
|
|
return fmt.Errorf("unable insert tag %s for pull-mirror Repo[%d:%s/%s]: %w", tag.Name, repo.ID, repo.OwnerName, repo.Name, err)
|
|
}
|
|
}
|
|
|
|
// only delete tags releases
|
|
if len(deletes) > 0 {
|
|
if _, err := db.GetEngine(ctx).Where("repo_id=?", repo.ID).
|
|
In("id", deletes).
|
|
Delete(&repo_model.Release{}); err != nil {
|
|
return fmt.Errorf("unable to delete tags for pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
|
|
}
|
|
}
|
|
|
|
for _, tag := range updates {
|
|
if _, err := db.GetEngine(ctx).Where("repo_id = ? AND lower_tag_name = ?", repo.ID, strings.ToLower(tag.Name)).
|
|
Cols("sha1").
|
|
Update(&repo_model.Release{
|
|
Sha1: tag.Object.String(),
|
|
}); err != nil {
|
|
return fmt.Errorf("unable to update tag %s for pull-mirror Repo[%d:%s/%s]: %w", tag.Name, repo.ID, repo.OwnerName, repo.Name, err)
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("unable to rebuild release table for pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
|
|
}
|
|
|
|
log.Trace("pullMirrorReleaseSync: done rebuilding %d releases", numTags)
|
|
return nil
|
|
}
|
|
|
|
func calcSync(destTags []*git.Tag, dbTags []*shortRelease) ([]*git.Tag, []int64, []*git.Tag) {
|
|
destTagMap := make(map[string]*git.Tag)
|
|
for _, tag := range destTags {
|
|
destTagMap[tag.Name] = tag
|
|
}
|
|
dbTagMap := make(map[string]*shortRelease)
|
|
for _, rel := range dbTags {
|
|
dbTagMap[rel.TagName] = rel
|
|
}
|
|
|
|
inserted := make([]*git.Tag, 0, 10)
|
|
updated := make([]*git.Tag, 0, 10)
|
|
for _, tag := range destTags {
|
|
rel := dbTagMap[tag.Name]
|
|
if rel == nil {
|
|
inserted = append(inserted, tag)
|
|
} else if rel.Sha1 != tag.Object.String() {
|
|
updated = append(updated, tag)
|
|
}
|
|
}
|
|
deleted := make([]int64, 0, 10)
|
|
for _, tag := range dbTags {
|
|
if destTagMap[tag.TagName] == nil && tag.IsTag {
|
|
deleted = append(deleted, tag.ID)
|
|
}
|
|
}
|
|
return inserted, deleted, updated
|
|
}
|