Example #1
0
// Munge is the workhorse the will actually make updates to the PR
func (c *CherrypickAutoApprove) Munge(obj *github.MungeObject) {
	if !obj.IsPR() {
		return
	}
	if obj.IsForBranch("master") {
		return
	}
	if obj.HasLabel(cpApprovedLabel) && obj.ReleaseMilestone() != "" {
		return
	}

	parents := getCherrypickParentPRs(obj, c.config)
	if len(parents) == 0 {
		return
	}

	major := 0
	minor := 0
	branch := obj.Branch()
	if l, err := fmt.Sscanf(branch, "release-%d.%d", &major, &minor); err != nil || l != 2 {
		return
	}
	branchImpliedMilestone := fmt.Sprintf("v%d.%d", major, minor)

	milestone := obj.ReleaseMilestone()
	if milestone != "" && milestone != branchImpliedMilestone {
		glog.Errorf("Found PR %d on branch %q but have milestone %q", *obj.Issue.Number, branch, milestone)
		return
	}

	for _, parent := range parents {
		if !parent.HasLabel(cpApprovedLabel) {
			return
		}

		// If the parent was for milestone v1.2 but this PR has
		// comments saying it was 'on branch release-1.1' we should
		// not auto approve
		parentMilestone := parent.ReleaseMilestone()
		if parentMilestone != branchImpliedMilestone {
			glog.Errorf("%d: parentReleaseMilestone=%q but branch is %q", *obj.Issue.Number, parentMilestone, obj.Branch())
			return
		}
	}
	if milestone == "" {
		obj.SetMilestone(branchImpliedMilestone)
	}
	if !obj.HasLabel(cpApprovedLabel) {
		obj.AddLabel(cpApprovedLabel)
	}
}