mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-30 15:43:52 +03:00
9302eba971
* DBContext is just a Context This PR removes some of the specialness from the DBContext and makes it context This allows us to simplify the GetEngine code to wrap around any context in future and means that we can change our loadRepo(e Engine) functions to simply take contexts. Signed-off-by: Andrew Thornton <art27@cantab.net> * fix unit tests Signed-off-by: Andrew Thornton <art27@cantab.net> * another place that needs to set the initial context Signed-off-by: Andrew Thornton <art27@cantab.net> * avoid race Signed-off-by: Andrew Thornton <art27@cantab.net> * change attachment error Signed-off-by: Andrew Thornton <art27@cantab.net>
453 lines
15 KiB
Go
453 lines
15 KiB
Go
// Copyright 2021 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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"strings"
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"time"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/models/db"
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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/lfs"
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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/timeutil"
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"code.gitea.io/gitea/modules/util"
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)
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// gitShortEmptySha Git short empty SHA
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const gitShortEmptySha = "0000000"
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// UpdateAddress writes new address to Git repository and database
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func UpdateAddress(m *models.Mirror, addr string) error {
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remoteName := m.GetRemoteName()
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repoPath := m.Repo.RepoPath()
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// Remove old remote
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_, err := git.NewCommand("remote", "rm", remoteName).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", remoteName, "--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 remote of wiki
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_, err := git.NewCommand("remote", "rm", remoteName).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", remoteName, "--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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m.Repo.OriginalURL = addr
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return models.UpdateRepositoryCols(m.Repo, "original_url")
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}
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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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if strings.HasPrefix(lines[i], " * [new tag]") {
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refName = git.TagPrefix + refName
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} else if strings.HasPrefix(lines[i], " * [new branch]") {
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refName = git.BranchPrefix + refName
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}
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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], " + "): // Force update
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if idx := strings.Index(refName, " "); idx > -1 {
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refName = refName[:idx]
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}
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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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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(ctx context.Context, 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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log.Trace("SyncMirrors [repo: %-v]: running git remote update...", m.Repo)
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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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gitArgs = append(gitArgs, m.GetRemoteName())
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remoteAddr, remoteErr := git.GetRemoteAddress(repoPath, m.GetRemoteName())
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if remoteErr != nil {
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log.Error("GetRemoteAddress Error %v", remoteErr)
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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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sanitizer := util.NewURLSanitizer(remoteAddr, true)
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stderrMessage := sanitizer.Replace(stderr)
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stdoutMessage := sanitizer.Replace(stdout)
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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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log.Trace("SyncMirrors [repo: %-v]: syncing releases with tags...", m.Repo)
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if err = repo_module.SyncReleasesWithTags(m.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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if m.LFS && setting.LFS.StartServer {
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log.Trace("SyncMirrors [repo: %-v]: syncing LFS objects...", m.Repo)
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ep := lfs.DetermineEndpoint(remoteAddr.String(), m.LFSEndpoint)
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if err = repo_module.StoreMissingLfsObjectsInRepository(ctx, m.Repo, gitRepo, ep, false); err != nil {
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log.Error("Failed to synchronize LFS objects for repository: %v", err)
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}
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}
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gitRepo.Close()
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log.Trace("SyncMirrors [repo: %-v]: updating size of repository", m.Repo)
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if err := m.Repo.UpdateSize(db.DefaultContext); 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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log.Trace("SyncMirrors [repo: %-v Wiki]: running git remote update...", m.Repo)
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stderrBuilder.Reset()
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stdoutBuilder.Reset()
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if err := git.NewCommand("remote", "update", "--prune", m.GetRemoteName()).
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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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remoteAddr, remoteErr := git.GetRemoteAddress(wikiPath, m.GetRemoteName())
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if remoteErr != nil {
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log.Error("GetRemoteAddress Error %v", remoteErr)
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}
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sanitizer := util.NewURLSanitizer(remoteAddr, true)
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stderrMessage := sanitizer.Replace(stderr)
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stdoutMessage := sanitizer.Replace(stdout)
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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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log.Trace("SyncMirrors [repo: %-v Wiki]: git remote update complete", m.Repo)
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}
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log.Trace("SyncMirrors [repo: %-v]: invalidating mirror branch caches...", m.Repo)
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branches, _, err := repo_module.GetBranches(m.Repo, 0, 0)
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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 _, branch := range branches {
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cache.Remove(m.Repo.GetCommitsCountCacheKey(branch.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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// SyncPullMirror starts the sync of the pull mirror and schedules the next run.
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func SyncPullMirror(ctx context.Context, repoID int64) bool {
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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[%d] Panic: %v\nStacktrace: %s", repoID, err, log.Stack(2))
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}()
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m, err := models.GetMirrorByRepoID(repoID)
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if err != nil {
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log.Error("GetMirrorByRepoID [%d]: %v", repoID, err)
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return false
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}
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log.Trace("SyncMirrors [repo: %-v]: Running Sync", m.Repo)
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results, ok := runSync(ctx, m)
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if !ok {
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return false
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}
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log.Trace("SyncMirrors [repo: %-v]: Scheduling next update", m.Repo)
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m.ScheduleNextUpdate()
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if err = models.UpdateMirror(m); err != nil {
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log.Error("UpdateMirror [%d]: %v", m.RepoID, err)
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return false
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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: %-v]: no branches updated", m.Repo)
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} else {
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log.Trace("SyncMirrors [repo: %-v]: %d branches updated", m.Repo, len(results))
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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 false
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}
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defer gitRepo.Close()
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if ok := checkAndUpdateEmptyRepository(m, gitRepo, results); !ok {
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return false
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}
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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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if tp == git.TagPrefix {
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tp = "tag"
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} else if tp == git.BranchPrefix {
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tp = "branch"
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}
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commitID, err := gitRepo.GetRefCommitID(result.refName)
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if err != nil {
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log.Error("gitRepo.GetRefCommitID [repo_id: %d, ref_name: %s]: %v", m.RepoID, result.refName, err)
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continue
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}
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notification.NotifySyncPushCommits(m.Repo.MustOwner(), m.Repo, &repo_module.PushUpdateOptions{
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RefFullName: result.refName,
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OldCommitID: git.EmptySHA,
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NewCommitID: commitID,
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}, repo_module.NewPushCommits())
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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.GitToPushCommits(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, &repo_module.PushUpdateOptions{
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RefFullName: result.refName,
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OldCommitID: oldCommitID,
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NewCommitID: newCommitID,
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}, theCommits)
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}
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log.Trace("SyncMirrors [repo: %-v]: done notifying updated branches/tags - now updating last commit time", m.Repo)
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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 false
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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 false
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}
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log.Trace("SyncMirrors [repo: %-v]: Successfully updated", m.Repo)
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return true
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}
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func checkAndUpdateEmptyRepository(m *models.Mirror, gitRepo *git.Repository, results []*mirrorSyncResult) bool {
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if !m.Repo.IsEmpty {
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return true
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}
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hasDefault := false
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hasMaster := false
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hasMain := false
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defaultBranchName := m.Repo.DefaultBranch
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if len(defaultBranchName) == 0 {
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defaultBranchName = setting.Repository.DefaultBranch
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}
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firstName := ""
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for _, result := range results {
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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, name := git.SplitRefName(result.refName)
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if len(tp) > 0 && tp != git.BranchPrefix {
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continue
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}
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if len(firstName) == 0 {
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firstName = name
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}
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hasDefault = hasDefault || name == defaultBranchName
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hasMaster = hasMaster || name == "master"
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hasMain = hasMain || name == "main"
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}
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if len(firstName) > 0 {
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if hasDefault {
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m.Repo.DefaultBranch = defaultBranchName
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} else if hasMaster {
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m.Repo.DefaultBranch = "master"
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} else if hasMain {
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m.Repo.DefaultBranch = "main"
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} else {
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m.Repo.DefaultBranch = firstName
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}
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// Update the git repository default branch
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if err := gitRepo.SetDefaultBranch(m.Repo.DefaultBranch); err != nil {
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if !git.IsErrUnsupportedVersion(err) {
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log.Error("Failed to update default branch of underlying git repository %-v. Error: %v", m.Repo, err)
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desc := fmt.Sprintf("Failed to uupdate default branch of underlying git repository '%s': %v", m.Repo.RepoPath(), err)
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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 false
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}
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}
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m.Repo.IsEmpty = false
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// Update the is empty and default_branch columns
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if err := models.UpdateRepositoryCols(m.Repo, "default_branch", "is_empty"); err != nil {
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log.Error("Failed to update default branch of repository %-v. Error: %v", m.Repo, err)
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desc := fmt.Sprintf("Failed to uupdate default branch of repository '%s': %v", m.Repo.RepoPath(), err)
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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 false
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}
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}
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return true
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}
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