first-commit
This commit is contained in:
275
services/mirror/mirror_push.go
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275
services/mirror/mirror_push.go
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// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package mirror
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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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"regexp"
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"time"
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"code.gitea.io/gitea/models/db"
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repo_model "code.gitea.io/gitea/models/repo"
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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/process"
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"code.gitea.io/gitea/modules/proxy"
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"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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var stripExitStatus = regexp.MustCompile(`exit status \d+ - `)
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// AddPushMirrorRemote registers the push mirror remote.
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func AddPushMirrorRemote(ctx context.Context, m *repo_model.PushMirror, addr string) error {
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addRemoteAndConfig := func(addr, path string) error {
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cmd := git.NewCommand("remote", "add", "--mirror=push").AddDynamicArguments(m.RemoteName, addr)
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if _, _, err := cmd.RunStdString(ctx, &git.RunOpts{Dir: path}); err != nil {
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return err
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}
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if _, _, err := git.NewCommand("config", "--add").AddDynamicArguments("remote."+m.RemoteName+".push", "+refs/heads/*:refs/heads/*").RunStdString(ctx, &git.RunOpts{Dir: path}); err != nil {
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return err
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}
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if _, _, err := git.NewCommand("config", "--add").AddDynamicArguments("remote."+m.RemoteName+".push", "+refs/tags/*:refs/tags/*").RunStdString(ctx, &git.RunOpts{Dir: path}); err != nil {
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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 := addRemoteAndConfig(addr, m.Repo.RepoPath()); err != nil {
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return err
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}
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if m.Repo.HasWiki() {
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wikiRemoteURL := repository.WikiRemoteURL(ctx, addr)
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if len(wikiRemoteURL) > 0 {
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if err := addRemoteAndConfig(wikiRemoteURL, m.Repo.WikiPath()); err != nil {
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return err
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}
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}
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}
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return nil
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}
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// RemovePushMirrorRemote removes the push mirror remote.
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func RemovePushMirrorRemote(ctx context.Context, m *repo_model.PushMirror) error {
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cmd := git.NewCommand("remote", "rm").AddDynamicArguments(m.RemoteName)
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_ = m.GetRepository(ctx)
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if _, _, err := cmd.RunStdString(ctx, &git.RunOpts{Dir: m.Repo.RepoPath()}); err != nil {
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return err
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}
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if m.Repo.HasWiki() {
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if _, _, err := cmd.RunStdString(ctx, &git.RunOpts{Dir: m.Repo.WikiPath()}); err != nil {
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// The wiki remote may not exist
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log.Warn("Wiki Remote[%d] could not be removed: %v", m.ID, err)
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}
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}
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return nil
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}
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// SyncPushMirror starts the sync of the push mirror and schedules the next run.
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func SyncPushMirror(ctx context.Context, mirrorID int64) bool {
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log.Trace("SyncPushMirror [mirror: %d]", mirrorID)
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defer func() {
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err := recover()
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if err == nil {
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return
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}
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// There was a panic whilst syncPushMirror...
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log.Error("PANIC whilst syncPushMirror[%d] Panic: %v\nStacktrace: %s", mirrorID, err, log.Stack(2))
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}()
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// TODO: Handle "!exist" better
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m, exist, err := db.GetByID[repo_model.PushMirror](ctx, mirrorID)
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if err != nil || !exist {
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log.Error("GetPushMirrorByID [%d]: %v", mirrorID, err)
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return false
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}
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_ = m.GetRepository(ctx)
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m.LastError = ""
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ctx, _, finished := process.GetManager().AddContext(ctx, fmt.Sprintf("Syncing PushMirror %s/%s to %s", m.Repo.OwnerName, m.Repo.Name, m.RemoteName))
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defer finished()
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log.Trace("SyncPushMirror [mirror: %d][repo: %-v]: Running Sync", m.ID, m.Repo)
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err = runPushSync(ctx, m)
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if err != nil {
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log.Error("SyncPushMirror [mirror: %d][repo: %-v]: %v", m.ID, m.Repo, err)
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m.LastError = stripExitStatus.ReplaceAllLiteralString(err.Error(), "")
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}
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m.LastUpdateUnix = timeutil.TimeStampNow()
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if err := repo_model.UpdatePushMirror(ctx, m); err != nil {
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log.Error("UpdatePushMirror [%d]: %v", m.ID, err)
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return false
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}
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log.Trace("SyncPushMirror [mirror: %d][repo: %-v]: Finished", m.ID, m.Repo)
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return err == nil
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}
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func runPushSync(ctx context.Context, m *repo_model.PushMirror) error {
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timeout := time.Duration(setting.Git.Timeout.Mirror) * time.Second
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performPush := func(repo *repo_model.Repository, isWiki bool) error {
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path := repo.RepoPath()
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if isWiki {
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path = repo.WikiPath()
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}
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remoteURL, err := git.GetRemoteURL(ctx, path, m.RemoteName)
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if err != nil {
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log.Error("GetRemoteAddress(%s) Error %v", path, err)
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return errors.New("Unexpected error")
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}
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if setting.LFS.StartServer {
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log.Trace("SyncMirrors [repo: %-v]: syncing LFS objects...", m.Repo)
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var gitRepo *git.Repository
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if isWiki {
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gitRepo, err = gitrepo.OpenRepository(ctx, repo.WikiStorageRepo())
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} else {
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gitRepo, err = gitrepo.OpenRepository(ctx, repo)
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}
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if err != nil {
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log.Error("OpenRepository: %v", err)
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return errors.New("Unexpected error")
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}
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defer gitRepo.Close()
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endpoint := lfs.DetermineEndpoint(remoteURL.String(), "")
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lfsClient := lfs.NewClient(endpoint, nil)
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if err := pushAllLFSObjects(ctx, gitRepo, lfsClient); err != nil {
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return util.SanitizeErrorCredentialURLs(err)
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}
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}
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log.Trace("Pushing %s mirror[%d] remote %s", path, m.ID, m.RemoteName)
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envs := proxy.EnvWithProxy(remoteURL.URL)
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if err := git.Push(ctx, path, git.PushOptions{
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Remote: m.RemoteName,
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Force: true,
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Mirror: true,
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Timeout: timeout,
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Env: envs,
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}); err != nil {
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log.Error("Error pushing %s mirror[%d] remote %s: %v", path, m.ID, m.RemoteName, err)
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return util.SanitizeErrorCredentialURLs(err)
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}
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return nil
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}
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err := performPush(m.Repo, false)
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if err != nil {
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return err
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}
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if m.Repo.HasWiki() {
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_, err := git.GetRemoteAddress(ctx, m.Repo.WikiPath(), m.RemoteName)
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if err == nil {
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err := performPush(m.Repo, true)
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if err != nil {
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return err
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}
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} else {
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log.Trace("Skipping wiki: No remote configured")
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}
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}
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return nil
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}
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func pushAllLFSObjects(ctx context.Context, 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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uploadObjects := func(pointers []lfs.Pointer) error {
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err := lfsClient.Upload(ctx, pointers, func(p lfs.Pointer, objectError error) (io.ReadCloser, error) {
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if objectError != nil {
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return nil, objectError
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}
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content, err := contentStore.Get(p)
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if err != nil {
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log.Error("Error reading LFS object %v: %v", p, err)
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}
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return content, err
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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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exists, err := contentStore.Exists(pointerBlob.Pointer)
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if err != nil {
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log.Error("Error checking if LFS object %v exists: %v", pointerBlob.Pointer, err)
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return err
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}
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if !exists {
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log.Trace("Skipping missing LFS object %v", pointerBlob.Pointer)
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continue
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}
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batch = append(batch, pointerBlob.Pointer)
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if len(batch) >= lfsClient.BatchSize() {
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if err := uploadObjects(batch); err != nil {
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return err
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}
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batch = nil
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}
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}
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if len(batch) > 0 {
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if err := uploadObjects(batch); err != nil {
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return err
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}
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}
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err, has := <-errChan
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if has {
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log.Error("Error enumerating LFS objects for repository: %v", err)
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return err
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}
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return nil
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}
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func syncPushMirrorWithSyncOnCommit(ctx context.Context, repoID int64) {
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pushMirrors, err := repo_model.GetPushMirrorsSyncedOnCommit(ctx, repoID)
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if err != nil {
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log.Error("repo_model.GetPushMirrorsSyncedOnCommit failed: %v", err)
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return
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}
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for _, mirror := range pushMirrors {
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AddPushMirrorToQueue(mirror.ID)
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}
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}
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