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Fix 500 Error with branch and tag sharing the same name #15592 (#16040)

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* Fix 500 Error with branch and tag sharing the same name #15592

Fixed 500 error while create Pull request when there are more
than one sources (branch, tag) with the same name

Fix #15592

Signed-off-by: Viktor Yakovchuk <viktor@yakovchuk.net>

* fix logging

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
Viktor Yakovchuk 2021-06-24 00:08:26 +03:00 committed by GitHub
parent f2babf3346
commit 08f4b3f312
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 37 additions and 1 deletions
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17
modules/git/error.go
View file

@ -159,3 +159,20 @@ func (err *ErrPushRejected) GenerateMessage() {
}
err.Message = strings.TrimSpace(messageBuilder.String())
}
// ErrMoreThanOne represents an error if pull request fails when there are more than one sources (branch, tag) with the same name
type ErrMoreThanOne struct {
StdOut string
StdErr string
Err error
}
// IsErrMoreThanOne checks if an error is a ErrMoreThanOne
func IsErrMoreThanOne(err error) bool {
_, ok := err.(*ErrMoreThanOne)
return ok
}
func (err *ErrMoreThanOne) Error() string {
return fmt.Sprintf("ErrMoreThanOne Error: %v: %s\n%s", err.Err, err.StdErr, err.StdOut)
}

7
modules/git/repo.go
View file

@ -225,6 +225,13 @@ func Push(repoPath string, opts PushOptions) error {
}
err.GenerateMessage()
return err
} else if strings.Contains(errbuf.String(), "matches more than one") {
err := &ErrMoreThanOne{
StdOut: outbuf.String(),
StdErr: errbuf.String(),
Err: err,
}
return err
}
}

14
services/pull/pull.go
View file

@ -389,6 +389,10 @@ func checkIfPRContentChanged(pr *models.PullRequest, oldCommitID, newCommitID st
// corresponding branches of base repository.
// FIXME: Only push branches that are actually updates?
func PushToBaseRepo(pr *models.PullRequest) (err error) {
return pushToBaseRepoHelper(pr, "")
}
func pushToBaseRepoHelper(pr *models.PullRequest, prefixHeadBranch string) (err error) {
log.Trace("PushToBaseRepo[%d]: pushing commits to base repo '%s'", pr.BaseRepoID, pr.GetGitRefName())
if err := pr.LoadHeadRepo(); err != nil {
@ -414,7 +418,7 @@ func PushToBaseRepo(pr *models.PullRequest) (err error) {
if err := git.Push(headRepoPath, git.PushOptions{
Remote: baseRepoPath,
Branch: pr.HeadBranch + ":" + gitRefName,
Branch: prefixHeadBranch + pr.HeadBranch + ":" + gitRefName,
Force: true,
// 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),
@ -427,6 +431,14 @@ func PushToBaseRepo(pr *models.PullRequest) (err error) {
rejectErr := err.(*git.ErrPushRejected)
log.Info("Unable to push PR head for %s#%d (%-v:%s) due to rejection:\nStdout: %s\nStderr: %s\nError: %v", pr.BaseRepo.FullName(), pr.Index, pr.BaseRepo, gitRefName, rejectErr.StdOut, rejectErr.StdErr, rejectErr.Err)
return err
} else if git.IsErrMoreThanOne(err) {
if prefixHeadBranch != "" {
log.Info("Can't push with %s%s", prefixHeadBranch, pr.HeadBranch)
return err
}
log.Info("Retrying to push with refs/heads/%s", pr.HeadBranch)
err = pushToBaseRepoHelper(pr, "refs/heads/")
return err
}
log.Error("Unable to push PR head for %s#%d (%-v:%s) due to Error: %v", pr.BaseRepo.FullName(), pr.Index, pr.BaseRepo, gitRefName, err)
return fmt.Errorf("Push: %s:%s %s:%s %v", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), gitRefName, err)