// MungePullRequest is the workhorse the will actually make updates to the PR
func (sq *SubmitQueue) MungePullRequest(config *github_util.Config, pr *github_api.PullRequest, issue *github_api.Issue, commits []github_api.RepositoryCommit, events []github_api.IssueEvent) {
e2e := sq.e2e
userSet := sq.userWhitelist
if !github_util.HasLabels(issue.Labels, []string{"cla: yes"}) {
sq.SetPRStatus(pr, noCLA)
return
}
if mergeable, err := config.IsPRMergeable(pr); err != nil {
glog.V(2).Infof("Skipping %d - unable to determine mergeability", *pr.Number)
sq.SetPRStatus(pr, undeterminedMergability)
return
} else if !mergeable {
glog.V(4).Infof("Skipping %d - not mergable", *pr.Number)
sq.SetPRStatus(pr, unmergeable)
return
}
// Validate the status information for this PR
contexts := sq.RequiredStatusContexts
if len(sq.E2EStatusContext) > 0 && (len(sq.DontRequireE2ELabel) == 0 || !github_util.HasLabel(issue.Labels, sq.DontRequireE2ELabel)) {
contexts = append(contexts, sq.E2EStatusContext)
}
if ok := config.IsStatusSuccess(pr, contexts); !ok {
glog.Errorf("PR# %d Github CI status is not success", *pr.Number)
sq.SetPRStatus(pr, ciFailure)
return
}
if !github_util.HasLabel(issue.Labels, sq.WhitelistOverride) && !userSet.Has(*pr.User.Login) {
glog.V(4).Infof("Dropping %d since %s isn't in whitelist and %s isn't present", *pr.Number, *pr.User.Login, sq.WhitelistOverride)
if !github_util.HasLabel(issue.Labels, needsOKToMergeLabel) {
config.AddLabels(*pr.Number, []string{needsOKToMergeLabel})
body := "The author of this PR is not in the whitelist for merge, can one of the admins add the 'ok-to-merge' label?"
config.WriteComment(*pr.Number, body)
}
sq.SetPRStatus(pr, needsok)
return
}
// Tidy up the issue list.
if github_util.HasLabel(issue.Labels, needsOKToMergeLabel) {
config.RemoveLabel(*pr.Number, needsOKToMergeLabel)
}
if !github_util.HasLabels(issue.Labels, []string{"lgtm"}) {
sq.SetPRStatus(pr, noLGTM)
return
}
lastModifiedTime := github_util.LastModifiedTime(commits)
lgtmTime := github_util.LabelTime("lgtm", events)
if lastModifiedTime == nil || lgtmTime == nil {
glog.Errorf("PR %d was unable to determine when LGTM was added or when last modified", *pr.Number)
sq.SetPRStatus(pr, unknown)
return
}
if lastModifiedTime.After(*lgtmTime) {
glog.V(4).Infof("PR %d changed after LGTM. Will not merge", *pr.Number)
sq.SetPRStatus(pr, lgtmEarly)
return
}
if !e2e.Stable() {
sq.SetPRStatus(pr, e2eFailure)
return
}
// if there is a 'e2e-not-required' label, just merge it.
if len(sq.DontRequireE2ELabel) > 0 && github_util.HasLabel(issue.Labels, sq.DontRequireE2ELabel) {
config.MergePR(pr, "submit-queue")
sq.SetPRStatus(pr, merged)
return
}
sq.SetPRStatus(pr, githube2e)
sq.Lock()
sq.githubE2ERequest <- true
sq.needsGithubE2E[*pr.Number] = pr
sq.Unlock()
return
}