Golang MungeObject.GetHeadAndBase方法代碼示例

func newInterruptedObject(obj *github.MungeObject) *submitQueueInterruptedObject {
	if headSHA, baseRef, gotHeadSHA := obj.GetHeadAndBase(); !gotHeadSHA {
		return nil
	} else if baseSHA, gotBaseSHA := obj.GetSHAFromRef(baseRef); !gotBaseSHA {
		return nil
	} else {
		return &submitQueueInterruptedObject{obj, headSHA, baseSHA}
	}
}

// Returns true if we can discard the PR from the queue, false if we must keep it for later.
func (sq *SubmitQueue) doGithubE2EAndMerge(obj *github.MungeObject) bool {
	interruptedObj := sq.interruptedObj
	sq.interruptedObj = nil

	err := obj.Refresh()
	if err != nil {
		glog.Errorf("%d: unknown err: %v", *obj.Issue.Number, err)
		sq.SetMergeStatus(obj, unknown)
		return true
	}

	if !sq.validForMerge(obj) {
		return true
	}

	if obj.HasLabel(retestNotRequiredLabel) || obj.HasLabel(retestNotRequiredDocsOnlyLabel) {
		atomic.AddInt32(&sq.instantMerges, 1)
		sq.mergePullRequest(obj)
		return true
	}

	sha, _, ok := obj.GetHeadAndBase()
	if !ok {
		glog.Errorf("%d: Unable to get SHA", *obj.Issue.Number)
		sq.SetMergeStatus(obj, unknown)
		return true
	}
	if interruptedObj != nil {
		if interruptedObj.hasSHAChanged() {
			// This PR will have to be rested.
			// Make sure we don't have higher priority first.
			return false
		}
		glog.Infof("Skipping retest since head and base sha match previous attempt!")
		atomic.AddInt32(&sq.retestsAvoided, 1)
	} else {
		if sq.retestPR(obj) {
			return true
		}

		err := obj.Refresh()
		if err != nil {
			glog.Errorf("%d: unknown err: %v", *obj.Issue.Number, err)
			sq.SetMergeStatus(obj, unknown)
			return true
		}
	}

	// We shouldn't merge if it's not valid anymore
	if !sq.validForMerge(obj) {
		glog.Errorf("%d: Not mergeable anymore. Do not merge.", *obj.Issue.Number)
		return true
	}

	if newSha, _, ok := obj.GetHeadAndBase(); !ok {
		glog.Errorf("%d: Unable to get SHA", *obj.Issue.Number)
		sq.SetMergeStatus(obj, unknown)
		return true
	} else if newSha != sha {
		glog.Errorf("%d: Changed while running the test. Do not merge.", *obj.Issue.Number)
		sq.SetMergeStatus(obj, headCommitChanged)
		return false
	}

	if !sq.e2eStable(true) {
		if sq.validForMerge(obj) {
			sq.interruptedObj = newInterruptedObject(obj)
		}
		sq.SetMergeStatus(obj, e2eFailure)
		return true
	}

	sq.mergePullRequest(obj)
	return true
}

func (sq *SubmitQueue) doGithubE2EAndMerge(obj *github.MungeObject) {
	err := obj.Refresh()
	if err != nil {
		glog.Errorf("%d: unknown err: %v", *obj.Issue.Number, err)
		sq.SetMergeStatus(obj, unknown)
		return
	}

	if !sq.validForMerge(obj) {
		return
	}

	if obj.HasLabel(e2eNotRequiredLabel) {
		obj.MergePR("submit-queue")
		sq.SetMergeStatus(obj, merged)
		return
	}

	// See if we can skip the retest.
	headSHA, baseRef, gotHeadSHA := obj.GetHeadAndBase()
	baseSHA := ""
	gotBaseSHA := false
	if gotHeadSHA {
		baseSHA, gotBaseSHA = obj.GetSHAFromRef(baseRef)
	}
	maySkipTest := gotHeadSHA && gotBaseSHA &&
		sq.interruptedMergeBaseSHA == baseSHA &&
		sq.interruptedMergeHeadSHA == headSHA

	if maySkipTest {
		glog.Infof("Skipping retest since head and base sha match previous attempt!")
		atomic.AddInt32(&sq.retestsAvoided, 1)
	} else {
		if err := obj.WriteComment(verifySafeToMergeBody); err != nil {
			glog.Errorf("%d: unknown err: %v", *obj.Issue.Number, err)
			sq.SetMergeStatus(obj, unknown)
			return
		}

		// Wait for the build to start
		sq.SetMergeStatus(obj, ghE2EWaitingStart)
		err = obj.WaitForPending([]string{sq.E2EStatusContext, sq.UnitStatusContext})
		if err != nil {
			s := fmt.Sprintf("Failed waiting for PR to start testing: %v", err)
			sq.SetMergeStatus(obj, s)
			return
		}

		// re-get the base SHA in case something merged between us checking and
		// starting the tests.
		if gotHeadSHA {
			baseSHA, gotBaseSHA = obj.GetSHAFromRef(baseRef)
		}

		// Wait for the status to go back to something other than pending
		sq.SetMergeStatus(obj, ghE2ERunning)
		err = obj.WaitForNotPending([]string{sq.E2EStatusContext, sq.UnitStatusContext})
		if err != nil {
			s := fmt.Sprintf("Failed waiting for PR to finish testing: %v", err)
			sq.SetMergeStatus(obj, s)
			return
		}

		// Check if the thing we care about is success
		if ok := obj.IsStatusSuccess([]string{sq.E2EStatusContext, sq.UnitStatusContext}); !ok {
			sq.SetMergeStatus(obj, ghE2EFailed)
			return
		}
	}

	if !sq.e2eStable(true) {
		if gotHeadSHA && gotBaseSHA {
			sq.interruptedMergeBaseSHA = baseSHA
			sq.interruptedMergeHeadSHA = headSHA
		}
		sq.SetMergeStatus(obj, e2eFailure)
		return
	}

	obj.MergePR("submit-queue")
	sq.updateMergeRate()
	sq.SetMergeStatus(obj, merged)
	return
}