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PRs: Move to use a temporary repo for pushing new prs (#10009)

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* Move to use a temporary repo for pushing new prs
This commit is contained in:
zeripath 2020-01-28 10:23:58 +00:00 committed by GitHub
parent c58edc7c78
commit 797e6f8f4c
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 14 deletions
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44
services/pull/pull.go
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@ -311,23 +311,39 @@ func checkIfPRContentChanged(pr *models.PullRequest, oldCommitID, newCommitID st
func PushToBaseRepo(pr *models.PullRequest) (err error) { func PushToBaseRepo(pr *models.PullRequest) (err error) {
log.Trace("PushToBaseRepo[%d]: pushing commits to base repo '%s'", pr.BaseRepoID, pr.GetGitRefName()) log.Trace("PushToBaseRepo[%d]: pushing commits to base repo '%s'", pr.BaseRepoID, pr.GetGitRefName())
// Clone base repo.
tmpBasePath, err := models.CreateTemporaryPath("pull")
if err != nil {
log.Error("CreateTemporaryPath: %v", err)
return err
}
defer func() {
err := models.RemoveTemporaryPath(tmpBasePath)
if err != nil {
log.Error("Error whilst removing temporary path: %s Error: %v", tmpBasePath, err)
}
}()
headRepoPath := pr.HeadRepo.RepoPath() headRepoPath := pr.HeadRepo.RepoPath()
headGitRepo, err := git.OpenRepository(headRepoPath)
if err := git.Clone(headRepoPath, tmpBasePath, git.CloneRepoOptions{
Bare: true,
Shared: true,
Branch: pr.HeadBranch,
Quiet: true,
}); err != nil {
log.Error("git clone tmpBasePath: %v", err)
return err
}
gitRepo, err := git.OpenRepository(tmpBasePath)
if err != nil { if err != nil {
return fmt.Errorf("OpenRepository: %v", err) return fmt.Errorf("OpenRepository: %v", err)
} }
defer headGitRepo.Close()
tmpRemoteName := fmt.Sprintf("tmp-pull-%d", pr.ID) if err := gitRepo.AddRemote("base", pr.BaseRepo.RepoPath(), false); err != nil {
if err = headGitRepo.AddRemote(tmpRemoteName, pr.BaseRepo.RepoPath(), false); err != nil { return fmt.Errorf("tmpGitRepo.AddRemote: %v", err)
return fmt.Errorf("headGitRepo.AddRemote: %v", err)
} }
// Make sure to remove the remote even if the push fails defer gitRepo.Close()
defer func() {
if err := headGitRepo.RemoveRemote(tmpRemoteName); err != nil {
log.Error("PushToBaseRepo: RemoveRemote: %s", err)
}
}()
headFile := pr.GetGitRefName() headFile := pr.GetGitRefName()
@ -343,14 +359,14 @@ func PushToBaseRepo(pr *models.PullRequest) (err error) {
return fmt.Errorf("unable to load poster %d for pr %d: %v", pr.Issue.PosterID, pr.ID, err) return fmt.Errorf("unable to load poster %d for pr %d: %v", pr.Issue.PosterID, pr.ID, err)
} }
if err = git.Push(headRepoPath, git.PushOptions{ if err = git.Push(tmpBasePath, git.PushOptions{
Remote: tmpRemoteName, Remote: "base",
Branch: fmt.Sprintf("%s:%s", pr.HeadBranch, headFile), Branch: fmt.Sprintf("%s:%s", pr.HeadBranch, headFile),
Force: true, Force: true,
// Use InternalPushingEnvironment here because we know that pre-receive and post-receive do not run on a refs/pulls/... // Use InternalPushingEnvironment here because we know that pre-receive and post-receive do not run on a refs/pulls/...
Env: models.InternalPushingEnvironment(pr.Issue.Poster, pr.BaseRepo), Env: models.InternalPushingEnvironment(pr.Issue.Poster, pr.BaseRepo),
}); err != nil { }); err != nil {
return fmt.Errorf("Push: %v", err) return fmt.Errorf("Push: %s:%s %s:%s %v", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), headFile, err)
} }
return nil return nil