9fc9c1de98
* update the wiki repository remote origin #12050 * wikiRemoteURL is under repo_module * export WikiRemoteURL func * remove redundant space and empty line Co-authored-by: Lauris BH <lauris@nix.lv> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
465 lines
14 KiB
Go
465 lines
14 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package mirror
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import (
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"context"
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"fmt"
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"net/url"
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"strings"
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"time"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/cache"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/graceful"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/notification"
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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/sync"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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"github.com/mcuadros/go-version"
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"github.com/unknwon/com"
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)
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// mirrorQueue holds an UniqueQueue object of the mirror
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var mirrorQueue = sync.NewUniqueQueue(setting.Repository.MirrorQueueLength)
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func readAddress(m *models.Mirror) {
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if len(m.Address) > 0 {
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return
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}
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var err error
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m.Address, err = remoteAddress(m.Repo.RepoPath())
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if err != nil {
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log.Error("remoteAddress: %v", err)
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}
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}
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func remoteAddress(repoPath string) (string, error) {
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var cmd *git.Command
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binVersion, err := git.BinVersion()
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if err != nil {
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return "", err
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}
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if version.Compare(binVersion, "2.7", ">=") {
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cmd = git.NewCommand("remote", "get-url", "origin")
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} else {
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cmd = git.NewCommand("config", "--get", "remote.origin.url")
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}
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result, err := cmd.RunInDir(repoPath)
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if err != nil {
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if strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
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return "", nil
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}
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return "", err
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}
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if len(result) > 0 {
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return result[:len(result)-1], nil
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}
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return "", nil
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}
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// sanitizeOutput sanitizes output of a command, replacing occurrences of the
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// repository's remote address with a sanitized version.
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func sanitizeOutput(output, repoPath string) (string, error) {
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remoteAddr, err := remoteAddress(repoPath)
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if err != nil {
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// if we're unable to load the remote address, then we're unable to
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// sanitize.
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return "", err
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}
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return util.SanitizeMessage(output, remoteAddr), nil
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}
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// AddressNoCredentials returns mirror address from Git repository config without credentials.
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func AddressNoCredentials(m *models.Mirror) string {
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readAddress(m)
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u, err := url.Parse(m.Address)
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if err != nil {
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// this shouldn't happen but just return it unsanitised
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return m.Address
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}
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u.User = nil
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return u.String()
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}
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// SaveAddress writes new address to Git repository config.
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func SaveAddress(m *models.Mirror, addr string) error {
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repoPath := m.Repo.RepoPath()
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// Remove old origin
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_, err := git.NewCommand("remote", "rm", "origin").RunInDir(repoPath)
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if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
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return err
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}
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_, err = git.NewCommand("remote", "add", "origin", "--mirror=fetch", addr).RunInDir(repoPath)
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if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
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return err
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}
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if m.Repo.HasWiki() {
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wikiPath := m.Repo.WikiPath()
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wikiRemotePath := repo_module.WikiRemoteURL(addr)
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// Remove old origin of wiki
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_, err := git.NewCommand("remote", "rm", "origin").RunInDir(wikiPath)
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if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
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return err
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}
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_, err = git.NewCommand("remote", "add", "origin", "--mirror=fetch", wikiRemotePath).RunInDir(wikiPath)
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if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
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return err
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}
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}
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return nil
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}
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// gitShortEmptySha Git short empty SHA
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const gitShortEmptySha = "0000000"
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// mirrorSyncResult contains information of a updated reference.
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// If the oldCommitID is "0000000", it means a new reference, the value of newCommitID is empty.
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// If the newCommitID is "0000000", it means the reference is deleted, the value of oldCommitID is empty.
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type mirrorSyncResult struct {
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refName string
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oldCommitID string
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newCommitID string
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}
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// parseRemoteUpdateOutput detects create, update and delete operations of references from upstream.
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func parseRemoteUpdateOutput(output string) []*mirrorSyncResult {
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results := make([]*mirrorSyncResult, 0, 3)
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lines := strings.Split(output, "\n")
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for i := range lines {
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// Make sure reference name is presented before continue
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idx := strings.Index(lines[i], "-> ")
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if idx == -1 {
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continue
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}
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refName := lines[i][idx+3:]
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switch {
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case strings.HasPrefix(lines[i], " * "): // New reference
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results = append(results, &mirrorSyncResult{
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refName: refName,
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oldCommitID: gitShortEmptySha,
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})
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case strings.HasPrefix(lines[i], " - "): // Delete reference
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results = append(results, &mirrorSyncResult{
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refName: refName,
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newCommitID: gitShortEmptySha,
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})
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case strings.HasPrefix(lines[i], " "): // New commits of a reference
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delimIdx := strings.Index(lines[i][3:], " ")
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if delimIdx == -1 {
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log.Error("SHA delimiter not found: %q", lines[i])
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continue
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}
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shas := strings.Split(lines[i][3:delimIdx+3], "..")
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if len(shas) != 2 {
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log.Error("Expect two SHAs but not what found: %q", lines[i])
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continue
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}
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results = append(results, &mirrorSyncResult{
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refName: refName,
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oldCommitID: shas[0],
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newCommitID: shas[1],
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})
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default:
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log.Warn("parseRemoteUpdateOutput: unexpected update line %q", lines[i])
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}
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}
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return results
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}
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// runSync returns true if sync finished without error.
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func runSync(m *models.Mirror) ([]*mirrorSyncResult, bool) {
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repoPath := m.Repo.RepoPath()
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wikiPath := m.Repo.WikiPath()
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timeout := time.Duration(setting.Git.Timeout.Mirror) * time.Second
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gitArgs := []string{"remote", "update"}
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if m.EnablePrune {
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gitArgs = append(gitArgs, "--prune")
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}
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stdoutBuilder := strings.Builder{}
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stderrBuilder := strings.Builder{}
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if err := git.NewCommand(gitArgs...).
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SetDescription(fmt.Sprintf("Mirror.runSync: %s", m.Repo.FullName())).
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RunInDirTimeoutPipeline(timeout, repoPath, &stdoutBuilder, &stderrBuilder); err != nil {
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stdout := stdoutBuilder.String()
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stderr := stderrBuilder.String()
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// sanitize the output, since it may contain the remote address, which may
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// contain a password
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stderrMessage, sanitizeErr := sanitizeOutput(stderr, repoPath)
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if sanitizeErr != nil {
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log.Error("sanitizeOutput failed on stderr: %v", sanitizeErr)
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log.Error("Failed to update mirror repository %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdout, stderr, err)
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return nil, false
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}
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stdoutMessage, err := sanitizeOutput(stdout, repoPath)
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if err != nil {
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log.Error("sanitizeOutput failed: %v", sanitizeErr)
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log.Error("Failed to update mirror repository %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdout, stderrMessage, err)
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return nil, false
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}
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log.Error("Failed to update mirror repository %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdoutMessage, stderrMessage, err)
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desc := fmt.Sprintf("Failed to update mirror repository '%s': %s", repoPath, stderrMessage)
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if err = models.CreateRepositoryNotice(desc); err != nil {
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log.Error("CreateRepositoryNotice: %v", err)
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}
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return nil, false
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}
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output := stderrBuilder.String()
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gitRepo, err := git.OpenRepository(repoPath)
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if err != nil {
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log.Error("OpenRepository: %v", err)
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return nil, false
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}
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if err = repo_module.SyncReleasesWithTags(m.Repo, gitRepo); err != nil {
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gitRepo.Close()
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log.Error("Failed to synchronize tags to releases for repository: %v", err)
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}
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gitRepo.Close()
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if err := m.Repo.UpdateSize(models.DefaultDBContext()); err != nil {
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log.Error("Failed to update size for mirror repository: %v", err)
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}
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if m.Repo.HasWiki() {
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stderrBuilder.Reset()
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stdoutBuilder.Reset()
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if err := git.NewCommand("remote", "update", "--prune").
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SetDescription(fmt.Sprintf("Mirror.runSync Wiki: %s ", m.Repo.FullName())).
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RunInDirTimeoutPipeline(timeout, wikiPath, &stdoutBuilder, &stderrBuilder); err != nil {
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stdout := stdoutBuilder.String()
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stderr := stderrBuilder.String()
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// sanitize the output, since it may contain the remote address, which may
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// contain a password
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stderrMessage, sanitizeErr := sanitizeOutput(stderr, repoPath)
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if sanitizeErr != nil {
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log.Error("sanitizeOutput failed on stderr: %v", sanitizeErr)
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log.Error("Failed to update mirror repository wiki %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdout, stderr, err)
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return nil, false
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}
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stdoutMessage, err := sanitizeOutput(stdout, repoPath)
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if err != nil {
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log.Error("sanitizeOutput failed: %v", sanitizeErr)
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log.Error("Failed to update mirror repository wiki %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdout, stderrMessage, err)
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return nil, false
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}
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log.Error("Failed to update mirror repository wiki %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdoutMessage, stderrMessage, err)
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desc := fmt.Sprintf("Failed to update mirror repository wiki '%s': %s", wikiPath, stderrMessage)
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if err = models.CreateRepositoryNotice(desc); err != nil {
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log.Error("CreateRepositoryNotice: %v", err)
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}
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return nil, false
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}
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}
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branches, err := repo_module.GetBranches(m.Repo)
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if err != nil {
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log.Error("GetBranches: %v", err)
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return nil, false
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}
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for i := range branches {
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cache.Remove(m.Repo.GetCommitsCountCacheKey(branches[i].Name, true))
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}
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m.UpdatedUnix = timeutil.TimeStampNow()
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return parseRemoteUpdateOutput(output), true
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}
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// Address returns mirror address from Git repository config without credentials.
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func Address(m *models.Mirror) string {
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readAddress(m)
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return util.SanitizeURLCredentials(m.Address, false)
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}
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// Username returns the mirror address username
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func Username(m *models.Mirror) string {
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readAddress(m)
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u, err := url.Parse(m.Address)
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if err != nil {
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// this shouldn't happen but if it does return ""
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return ""
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}
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return u.User.Username()
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}
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// Password returns the mirror address password
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func Password(m *models.Mirror) string {
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readAddress(m)
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u, err := url.Parse(m.Address)
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if err != nil {
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// this shouldn't happen but if it does return ""
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return ""
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}
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password, _ := u.User.Password()
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return password
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}
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// Update checks and updates mirror repositories.
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func Update(ctx context.Context) error {
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log.Trace("Doing: Update")
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if err := models.MirrorsIterate(func(idx int, bean interface{}) error {
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m := bean.(*models.Mirror)
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if m.Repo == nil {
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log.Error("Disconnected mirror repository found: %d", m.ID)
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return nil
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}
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select {
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case <-ctx.Done():
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return fmt.Errorf("Aborted")
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default:
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mirrorQueue.Add(m.RepoID)
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return nil
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}
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}); err != nil {
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log.Trace("Update: %v", err)
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return err
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}
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log.Trace("Finished: Update")
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return nil
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}
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// SyncMirrors checks and syncs mirrors.
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// FIXME: graceful: this should be a persistable queue
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func SyncMirrors(ctx context.Context) {
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// Start listening on new sync requests.
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for {
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select {
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case <-ctx.Done():
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mirrorQueue.Close()
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return
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case repoID := <-mirrorQueue.Queue():
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syncMirror(repoID)
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}
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}
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}
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func syncMirror(repoID string) {
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log.Trace("SyncMirrors [repo_id: %v]", repoID)
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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 syncMirrors...
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log.Error("PANIC whilst syncMirrors[%s] Panic: %v\nStacktrace: %s", repoID, err, log.Stack(2))
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}()
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mirrorQueue.Remove(repoID)
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m, err := models.GetMirrorByRepoID(com.StrTo(repoID).MustInt64())
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if err != nil {
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log.Error("GetMirrorByRepoID [%s]: %v", repoID, err)
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return
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}
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results, ok := runSync(m)
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if !ok {
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return
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}
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m.ScheduleNextUpdate()
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if err = models.UpdateMirror(m); err != nil {
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log.Error("UpdateMirror [%s]: %v", repoID, err)
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return
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}
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var gitRepo *git.Repository
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if len(results) == 0 {
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log.Trace("SyncMirrors [repo_id: %d]: no commits fetched", m.RepoID)
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} else {
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gitRepo, err = git.OpenRepository(m.Repo.RepoPath())
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if err != nil {
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log.Error("OpenRepository [%d]: %v", m.RepoID, err)
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return
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}
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defer gitRepo.Close()
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}
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for _, result := range results {
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// Discard GitHub pull requests, i.e. refs/pull/*
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if strings.HasPrefix(result.refName, "refs/pull/") {
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continue
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}
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tp, _ := git.SplitRefName(result.refName)
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// Create reference
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if result.oldCommitID == gitShortEmptySha {
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notification.NotifySyncCreateRef(m.Repo.MustOwner(), m.Repo, tp, result.refName)
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continue
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}
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// Delete reference
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if result.newCommitID == gitShortEmptySha {
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notification.NotifySyncDeleteRef(m.Repo.MustOwner(), m.Repo, tp, result.refName)
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continue
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}
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// Push commits
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oldCommitID, err := git.GetFullCommitID(gitRepo.Path, result.oldCommitID)
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if err != nil {
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log.Error("GetFullCommitID [%d]: %v", m.RepoID, err)
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continue
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}
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newCommitID, err := git.GetFullCommitID(gitRepo.Path, result.newCommitID)
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if err != nil {
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log.Error("GetFullCommitID [%d]: %v", m.RepoID, err)
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continue
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}
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commits, err := gitRepo.CommitsBetweenIDs(newCommitID, oldCommitID)
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if err != nil {
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log.Error("CommitsBetweenIDs [repo_id: %d, new_commit_id: %s, old_commit_id: %s]: %v", m.RepoID, newCommitID, oldCommitID, err)
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continue
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}
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theCommits := repo_module.ListToPushCommits(commits)
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if len(theCommits.Commits) > setting.UI.FeedMaxCommitNum {
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theCommits.Commits = theCommits.Commits[:setting.UI.FeedMaxCommitNum]
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}
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theCommits.CompareURL = m.Repo.ComposeCompareURL(oldCommitID, newCommitID)
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notification.NotifySyncPushCommits(m.Repo.MustOwner(), m.Repo, result.refName, oldCommitID, newCommitID, theCommits)
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}
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// Get latest commit date and update to current repository updated time
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commitDate, err := git.GetLatestCommitTime(m.Repo.RepoPath())
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if err != nil {
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log.Error("GetLatestCommitDate [%d]: %v", m.RepoID, err)
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return
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}
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if err = models.UpdateRepositoryUpdatedTime(m.RepoID, commitDate); err != nil {
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log.Error("Update repository 'updated_unix' [%d]: %v", m.RepoID, err)
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return
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}
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}
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// InitSyncMirrors initializes a go routine to sync the mirrors
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func InitSyncMirrors() {
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go graceful.GetManager().RunWithShutdownContext(SyncMirrors)
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}
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// StartToMirror adds repoID to mirror queue
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func StartToMirror(repoID int64) {
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go mirrorQueue.Add(repoID)
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}
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