func (g GitHub) IsMergeable(prHook *octokat.PullRequestHook) (mergeable bool, err error) {
// assume the PR is mergable unless we specifically set to false
// because mergable true is equivalent to skip
mergeable = true
// we only want the prs that are opened/synchronized
if !prHook.IsOpened() && !prHook.IsSynchronize() {
return mergeable, nil
}
// get the PR
pr := prHook.PullRequest
repo := getRepo(prHook.Repo)
content, err := g.getContent(repo, prHook.Number, true)
if err != nil {
return mergeable, err
}
commentType := "merge conflicts"
if !isMergeable(pr) {
mergeable = false
log.Debugf("Found pr %d was not mergable, going to add comment", prHook.Number)
// add a comment
comment := "Looks like we would not be able to merge this PR because of merge conflicts. Please rebase, fix conflicts, and force push to your branch."
if err := g.addUniqueComment(repo, strconv.Itoa(prHook.Number), comment, commentType, content); err != nil {
return mergeable, err
}
// set the status
if err := g.failureStatus(repo, pr.Head.Sha, "docker/is-mergable", "This PR is not mergable, please fix conflicts.", "https://docs.docker.com/project/work-issue/"); err != nil {
return mergeable, err
}
return mergeable, nil
}
// otherwise try to find the comment and remove it
if err := g.removeComment(repo, pr, commentType, content); err != nil {
return mergeable, err
}
return mergeable, nil
}
func (h *Handler) handlePullRequest(prHook *octokat.PullRequestHook) error {
// we only want the prs that are opened
if !prHook.IsOpened() {
return nil
}
// get the PR
pr := prHook.PullRequest
// initialize github client
gh := h.Client
repo := getRepo(prHook.Repo)
prId := strconv.Itoa(prHook.Number)
// checkout the repository in a temp dir
temp, err := ioutil.TempDir("", fmt.Sprintf("pr-%d", prHook.Number))
if err != nil {
return err
}
defer os.RemoveAll(temp)
if err := fetchPullRequest(temp, pr.Base.Repo.HTMLURL, prHook.Number); err != nil {
return err
}
prFiles, err := gh.PullRequestFiles(repo, prId, &octokat.Options{})
if err != nil {
return err
}
if err = validateFormat(gh, repo, pr.Head.Sha, temp, prId, prFiles); err != nil {
return err
}
return nil
}
func (g GitHub) DcoVerified(prHook *octokat.PullRequestHook) (bool, error) {
// we only want the prs that are opened/synchronized
if !prHook.IsOpened() && !prHook.IsSynchronize() {
return false, nil
}
// get the PR
pr := prHook.PullRequest
repo := getRepo(prHook.Repo)
// check if this is a bump branch, then we don't want to check sig
if pr.Base.Ref == "release" {
return true, nil
}
content, err := g.getContent(repo, prHook.Number, true)
if err != nil {
return false, err
}
// we only want apply labels
// to opened pull requests
var labels []string
//check if it's a proposal
isProposal := strings.Contains(strings.ToLower(pr.Title), "proposal")
switch {
case isProposal:
labels = []string{"status/1-design-review"}
case content.IsDocsOnly():
labels = []string{"status/3-docs-review"}
default:
labels = []string{"status/0-triage"}
}
if labelOs(pr, "windows", content.OnlyWindows) {
labels = append(labels, "group/windows")
}
// add labels if there are any
// only add labels to new PRs not sync
if len(labels) > 0 && prHook.IsOpened() {
log.Debugf("Adding labels %#v to pr %d", labels, prHook.Number)
if err := g.addLabel(repo, prHook.Number, labels...); err != nil {
return false, err
}
log.Infof("Added labels %#v to pr %d", labels, prHook.Number)
}
var verified bool
if content.CommitsSigned() {
if err := g.removeLabel(repo, prHook.Number, "dco/no"); err != nil {
return false, err
}
if err := g.removeComment(repo, pr, "sign your commits", content); err != nil {
return false, err
}
if err := g.successStatus(repo, pr.Head.Sha, "docker/dco-signed", "All commits signed"); err != nil {
return false, err
}
verified = true
} else {
if err := g.addLabel(repo, prHook.Number, "dco/no"); err != nil {
return false, err
}
if err := g.addDCOUnsignedComment(repo, pr, content); err != nil {
return false, err
}
if err := g.failureStatus(repo, pr.Head.Sha, "docker/dco-signed", "Some commits without signature", "https://github.com/docker/docker/blob/master/CONTRIBUTING.md#sign-your-work"); err != nil {
return false, err
}
}
return verified, nil
}