chore(third_party): Remove git-appraise r/74

Not actually in use here ...

1 files changed, 0 insertions, 772 deletions

diff --git a/third_party/go/git-appraise/review/review.go b/third_party/go/git-appraise/review/review.go
deleted file mode 100644
index a23dd17bf798..000000000000
--- a/third_party/go/git-appraise/review/review.go
+++ /dev/null
@@ -1,772 +0,0 @@
-/*
-Copyright 2015 Google Inc. All rights reserved.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-// Package review contains the data structures used to represent code reviews.
-package review
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"sort"
-
-	"github.com/google/git-appraise/repository"
-	"github.com/google/git-appraise/review/analyses"
-	"github.com/google/git-appraise/review/ci"
-	"github.com/google/git-appraise/review/comment"
-	"github.com/google/git-appraise/review/gpg"
-	"github.com/google/git-appraise/review/request"
-)
-
-const archiveRef = "refs/devtools/archives/reviews"
-
-// CommentThread represents the tree-based hierarchy of comments.
-//
-// The Resolved field represents the aggregate status of the entire thread. If
-// it is set to false, then it indicates that there is an unaddressed comment
-// in the thread. If it is unset, then that means that the root comment is an
-// FYI only, and that there are no unaddressed comments. If it is set to true,
-// then that means that there are no unaddressed comments, and that the root
-// comment has its resolved bit set to true.
-type CommentThread struct {
-	Hash     string             `json:"hash,omitempty"`
-	Comment  comment.Comment    `json:"comment"`
-	Original *comment.Comment   `json:"original,omitempty"`
-	Edits    []*comment.Comment `json:"edits,omitempty"`
-	Children []CommentThread    `json:"children,omitempty"`
-	Resolved *bool              `json:"resolved,omitempty"`
-	Edited   bool               `json:"edited,omitempty"`
-}
-
-// Summary represents the high-level state of a code review.
-//
-// This high-level state corresponds to the data that can be quickly read
-// directly from the repo, so other methods that need to operate on a lot
-// of reviews (such as listing the open reviews) should prefer operating on
-// the summary rather than the details.
-//
-// Review summaries have two status fields which are orthogonal:
-// 1. Resolved indicates if a reviewer has accepted or rejected the change.
-// 2. Submitted indicates if the change has been incorporated into the target.
-type Summary struct {
-	Repo        repository.Repo   `json:"-"`
-	Revision    string            `json:"revision"`
-	Request     request.Request   `json:"request"`
-	AllRequests []request.Request `json:"-"`
-	Comments    []CommentThread   `json:"comments,omitempty"`
-	Resolved    *bool             `json:"resolved,omitempty"`
-	Submitted   bool              `json:"submitted"`
-}
-
-// Review represents the entire state of a code review.
-//
-// This extends Summary to also include a list of reports for both the
-// continuous integration status, and the static analysis runs. Those reports
-// correspond to either the current commit in the review ref (for pending
-// reviews), or to the last commented-upon commit (for submitted reviews).
-type Review struct {
-	*Summary
-	Reports  []ci.Report       `json:"reports,omitempty"`
-	Analyses []analyses.Report `json:"analyses,omitempty"`
-}
-
-type commentsByTimestamp []*comment.Comment
-
-// Interface methods for sorting comment threads by timestamp
-func (cs commentsByTimestamp) Len() int      { return len(cs) }
-func (cs commentsByTimestamp) Swap(i, j int) { cs[i], cs[j] = cs[j], cs[i] }
-func (cs commentsByTimestamp) Less(i, j int) bool {
-	return cs[i].Timestamp < cs[j].Timestamp
-}
-
-type byTimestamp []CommentThread
-
-// Interface methods for sorting comment threads by timestamp
-func (threads byTimestamp) Len() int      { return len(threads) }
-func (threads byTimestamp) Swap(i, j int) { threads[i], threads[j] = threads[j], threads[i] }
-func (threads byTimestamp) Less(i, j int) bool {
-	return threads[i].Comment.Timestamp < threads[j].Comment.Timestamp
-}
-
-type requestsByTimestamp []request.Request
-
-// Interface methods for sorting review requests by timestamp
-func (requests requestsByTimestamp) Len() int { return len(requests) }
-func (requests requestsByTimestamp) Swap(i, j int) {
-	requests[i], requests[j] = requests[j], requests[i]
-}
-func (requests requestsByTimestamp) Less(i, j int) bool {
-	return requests[i].Timestamp < requests[j].Timestamp
-}
-
-type summariesWithNewestRequestsFirst []Summary
-
-// Interface methods for sorting review summaries in reverse chronological order
-func (summaries summariesWithNewestRequestsFirst) Len() int { return len(summaries) }
-func (summaries summariesWithNewestRequestsFirst) Swap(i, j int) {
-	summaries[i], summaries[j] = summaries[j], summaries[i]
-}
-func (summaries summariesWithNewestRequestsFirst) Less(i, j int) bool {
-	return summaries[i].Request.Timestamp > summaries[j].Request.Timestamp
-}
-
-// updateThreadsStatus calculates the aggregate status of a sequence of comment threads.
-//
-// The aggregate status is the conjunction of all of the non-nil child statuses.
-//
-// This has the side-effect of setting the "Resolved" field of all descendant comment threads.
-func updateThreadsStatus(threads []CommentThread) *bool {
-	sort.Stable(byTimestamp(threads))
-	noUnresolved := true
-	var result *bool
-	for i := range threads {
-		thread := &threads[i]
-		thread.updateResolvedStatus()
-		if thread.Resolved != nil {
-			noUnresolved = noUnresolved && *thread.Resolved
-			result = &noUnresolved
-		}
-	}
-	return result
-}
-
-// updateResolvedStatus calculates the aggregate status of a single comment thread,
-// and updates the "Resolved" field of that thread accordingly.
-func (thread *CommentThread) updateResolvedStatus() {
-	resolved := updateThreadsStatus(thread.Children)
-	if resolved == nil {
-		thread.Resolved = thread.Comment.Resolved
-		return
-	}
-
-	if !*resolved {
-		thread.Resolved = resolved
-		return
-	}
-
-	if thread.Comment.Resolved == nil || !*thread.Comment.Resolved {
-		thread.Resolved = nil
-		return
-	}
-
-	thread.Resolved = resolved
-}
-
-// Verify verifies the signature on a comment.
-func (thread *CommentThread) Verify() error {
-	err := gpg.Verify(&thread.Comment)
-	if err != nil {
-		hash, _ := thread.Comment.Hash()
-		return fmt.Errorf("verification of comment [%s] failed: %s", hash, err)
-	}
-	for _, child := range thread.Children {
-		err = child.Verify()
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// mutableThread is an internal-only data structure used to store partially constructed comment threads.
-type mutableThread struct {
-	Hash     string
-	Comment  comment.Comment
-	Edits    []*comment.Comment
-	Children []*mutableThread
-}
-
-// fixMutableThread is a helper method to finalize a mutableThread struct
-// (partially constructed comment thread) as a CommentThread struct
-// (fully constructed comment thread).
-func fixMutableThread(mutableThread *mutableThread) CommentThread {
-	var children []CommentThread
-	edited := len(mutableThread.Edits) > 0
-	for _, mutableChild := range mutableThread.Children {
-		child := fixMutableThread(mutableChild)
-		if (!edited) && child.Edited {
-			edited = true
-		}
-		children = append(children, child)
-	}
-	comment := &mutableThread.Comment
-	if len(mutableThread.Edits) > 0 {
-		sort.Stable(commentsByTimestamp(mutableThread.Edits))
-		comment = mutableThread.Edits[len(mutableThread.Edits)-1]
-	}
-
-	return CommentThread{
-		Hash:     mutableThread.Hash,
-		Comment:  *comment,
-		Original: &mutableThread.Comment,
-		Edits:    mutableThread.Edits,
-		Children: children,
-		Edited:   edited,
-	}
-}
-
-// This function builds the comment thread tree from the log-based list of comments.
-//
-// Since the comments can be processed in any order, this uses an internal mutable
-// data structure, and then converts it to the proper CommentThread structure at the end.
-func buildCommentThreads(commentsByHash map[string]comment.Comment) []CommentThread {
-	threadsByHash := make(map[string]*mutableThread)
-	for hash, comment := range commentsByHash {
-		thread, ok := threadsByHash[hash]
-		if !ok {
-			thread = &mutableThread{
-				Hash:    hash,
-				Comment: comment,
-			}
-			threadsByHash[hash] = thread
-		}
-	}
-	var rootHashes []string
-	for hash, thread := range threadsByHash {
-		if thread.Comment.Original != "" {
-			original, ok := threadsByHash[thread.Comment.Original]
-			if ok {
-				original.Edits = append(original.Edits, &thread.Comment)
-			}
-		} else if thread.Comment.Parent == "" {
-			rootHashes = append(rootHashes, hash)
-		} else {
-			parent, ok := threadsByHash[thread.Comment.Parent]
-			if ok {
-				parent.Children = append(parent.Children, thread)
-			}
-		}
-	}
-	var threads []CommentThread
-	for _, hash := range rootHashes {
-		threads = append(threads, fixMutableThread(threadsByHash[hash]))
-	}
-	return threads
-}
-
-// loadComments reads in the log-structured sequence of comments for a review,
-// and then builds the corresponding tree-structured comment threads.
-func (r *Summary) loadComments(commentNotes []repository.Note) []CommentThread {
-	commentsByHash := comment.ParseAllValid(commentNotes)
-	return buildCommentThreads(commentsByHash)
-}
-
-func getSummaryFromNotes(repo repository.Repo, revision string, requestNotes, commentNotes []repository.Note) (*Summary, error) {
-	requests := request.ParseAllValid(requestNotes)
-	if requests == nil {
-		return nil, fmt.Errorf("Could not find any review requests for %q", revision)
-	}
-	sort.Stable(requestsByTimestamp(requests))
-	reviewSummary := Summary{
-		Repo:        repo,
-		Revision:    revision,
-		Request:     requests[len(requests)-1],
-		AllRequests: requests,
-	}
-	reviewSummary.Comments = reviewSummary.loadComments(commentNotes)
-	reviewSummary.Resolved = updateThreadsStatus(reviewSummary.Comments)
-	return &reviewSummary, nil
-}
-
-// GetSummary returns the summary of the code review specified by its revision
-// and the references which contain that reviews summary and comments.
-//
-// If no review request exists, the returned review summary is nil.
-func GetSummaryViaRefs(repo repository.Repo, requestRef, commentRef,
-	revision string) (*Summary, error) {
-
-	if err := repo.VerifyCommit(revision); err != nil {
-		return nil, fmt.Errorf("Could not find a commit named %q", revision)
-	}
-	requestNotes := repo.GetNotes(requestRef, revision)
-	commentNotes := repo.GetNotes(commentRef, revision)
-	summary, err := getSummaryFromNotes(repo, revision, requestNotes, commentNotes)
-	if err != nil {
-		return nil, err
-	}
-	currentCommit := revision
-	if summary.Request.Alias != "" {
-		currentCommit = summary.Request.Alias
-	}
-
-	if !summary.IsAbandoned() {
-		submitted, err := repo.IsAncestor(currentCommit, summary.Request.TargetRef)
-		if err != nil {
-			return nil, err
-		}
-		summary.Submitted = submitted
-	}
-	return summary, nil
-}
-
-// GetSummary returns the summary of the specified code review.
-//
-// If no review request exists, the returned review summary is nil.
-func GetSummary(repo repository.Repo, revision string) (*Summary, error) {
-	return GetSummaryViaRefs(repo, request.Ref, comment.Ref, revision)
-}
-
-// Details returns the detailed review for the given summary.
-func (r *Summary) Details() (*Review, error) {
-	review := Review{
-		Summary: r,
-	}
-	currentCommit, err := review.GetHeadCommit()
-	if err == nil {
-		review.Reports = ci.ParseAllValid(review.Repo.GetNotes(ci.Ref, currentCommit))
-		review.Analyses = analyses.ParseAllValid(review.Repo.GetNotes(analyses.Ref, currentCommit))
-	}
-	return &review, nil
-}
-
-// IsAbandoned returns whether or not the given review has been abandoned.
-func (r *Summary) IsAbandoned() bool {
-	return r.Request.TargetRef == ""
-}
-
-// IsOpen returns whether or not the given review is still open (neither submitted nor abandoned).
-func (r *Summary) IsOpen() bool {
-	return !r.Submitted && !r.IsAbandoned()
-}
-
-// Verify returns whether or not a summary's comments are a) signed, and b)
-/// that those signatures are verifiable.
-func (r *Summary) Verify() error {
-	err := gpg.Verify(&r.Request)
-	if err != nil {
-		return fmt.Errorf("couldn't verify request targeting: %q: %s",
-			r.Request.TargetRef, err)
-	}
-	for _, thread := range r.Comments {
-		err := thread.Verify()
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// Get returns the specified code review.
-//
-// If no review request exists, the returned review is nil.
-func Get(repo repository.Repo, revision string) (*Review, error) {
-	summary, err := GetSummary(repo, revision)
-	if err != nil {
-		return nil, err
-	}
-	if summary == nil {
-		return nil, nil
-	}
-	return summary.Details()
-}
-
-func getIsSubmittedCheck(repo repository.Repo) func(ref, commit string) bool {
-	refCommitsMap := make(map[string]map[string]bool)
-
-	getRefCommitsMap := func(ref string) map[string]bool {
-		commitsMap, ok := refCommitsMap[ref]
-		if ok {
-			return commitsMap
-		}
-		commitsMap = make(map[string]bool)
-		for _, commit := range repo.ListCommits(ref) {
-			commitsMap[commit] = true
-		}
-		refCommitsMap[ref] = commitsMap
-		return commitsMap
-	}
-
-	return func(ref, commit string) bool {
-		return getRefCommitsMap(ref)[commit]
-	}
-}
-
-func unsortedListAll(repo repository.Repo) []Summary {
-	reviewNotesMap, err := repo.GetAllNotes(request.Ref)
-	if err != nil {
-		return nil
-	}
-	discussNotesMap, err := repo.GetAllNotes(comment.Ref)
-	if err != nil {
-		return nil
-	}
-
-	isSubmittedCheck := getIsSubmittedCheck(repo)
-	var reviews []Summary
-	for commit, notes := range reviewNotesMap {
-		summary, err := getSummaryFromNotes(repo, commit, notes, discussNotesMap[commit])
-		if err != nil {
-			continue
-		}
-		if !summary.IsAbandoned() {
-			summary.Submitted = isSubmittedCheck(summary.Request.TargetRef, summary.getStartingCommit())
-		}
-		reviews = append(reviews, *summary)
-	}
-	return reviews
-}
-
-// ListAll returns all reviews stored in the git-notes.
-func ListAll(repo repository.Repo) []Summary {
-	reviews := unsortedListAll(repo)
-	sort.Stable(summariesWithNewestRequestsFirst(reviews))
-	return reviews
-}
-
-// ListOpen returns all reviews that are not yet incorporated into their target refs.
-func ListOpen(repo repository.Repo) []Summary {
-	var openReviews []Summary
-	for _, review := range unsortedListAll(repo) {
-		if review.IsOpen() {
-			openReviews = append(openReviews, review)
-		}
-	}
-	sort.Stable(summariesWithNewestRequestsFirst(openReviews))
-	return openReviews
-}
-
-// GetCurrent returns the current, open code review.
-//
-// If there are multiple matching reviews, then an error is returned.
-func GetCurrent(repo repository.Repo) (*Review, error) {
-	reviewRef, err := repo.GetHeadRef()
-	if err != nil {
-		return nil, err
-	}
-	var matchingReviews []Summary
-	for _, review := range ListOpen(repo) {
-		if review.Request.ReviewRef == reviewRef {
-			matchingReviews = append(matchingReviews, review)
-		}
-	}
-	if matchingReviews == nil {
-		return nil, nil
-	}
-	if len(matchingReviews) != 1 {
-		return nil, fmt.Errorf("There are %d open reviews for the ref \"%s\"", len(matchingReviews), reviewRef)
-	}
-	return matchingReviews[0].Details()
-}
-
-// GetBuildStatusMessage returns a string of the current build-and-test status
-// of the review, or "unknown" if the build-and-test status cannot be determined.
-func (r *Review) GetBuildStatusMessage() string {
-	statusMessage := "unknown"
-	ciReport, err := ci.GetLatestCIReport(r.Reports)
-	if err != nil {
-		return fmt.Sprintf("unknown: %s", err)
-	}
-	if ciReport != nil {
-		statusMessage = fmt.Sprintf("%s (%q)", ciReport.Status, ciReport.URL)
-	}
-	return statusMessage
-}
-
-// GetAnalysesNotes returns all of the notes from the most recent static
-// analysis run recorded in the git notes.
-func (r *Review) GetAnalysesNotes() ([]analyses.Note, error) {
-	latestAnalyses, err := analyses.GetLatestAnalysesReport(r.Analyses)
-	if err != nil {
-		return nil, err
-	}
-	if latestAnalyses == nil {
-		return nil, fmt.Errorf("No analyses available")
-	}
-	return latestAnalyses.GetNotes()
-}
-
-// GetAnalysesMessage returns a string summarizing the results of the
-// most recent static analyses.
-func (r *Review) GetAnalysesMessage() string {
-	latestAnalyses, err := analyses.GetLatestAnalysesReport(r.Analyses)
-	if err != nil {
-		return err.Error()
-	}
-	if latestAnalyses == nil {
-		return "No analyses available"
-	}
-	status := latestAnalyses.Status
-	if status != "" && status != analyses.StatusNeedsMoreWork {
-		return status
-	}
-	analysesNotes, err := latestAnalyses.GetNotes()
-	if err != nil {
-		return err.Error()
-	}
-	if analysesNotes == nil {
-		return "passed"
-	}
-	return fmt.Sprintf("%d warnings\n", len(analysesNotes))
-	// TODO(ojarjur): Figure out the best place to display the actual notes
-}
-
-func prettyPrintJSON(jsonBytes []byte) (string, error) {
-	var prettyBytes bytes.Buffer
-	err := json.Indent(&prettyBytes, jsonBytes, "", "  ")
-	if err != nil {
-		return "", err
-	}
-	return prettyBytes.String(), nil
-}
-
-// GetJSON returns the pretty printed JSON for a review summary.
-func (r *Summary) GetJSON() (string, error) {
-	jsonBytes, err := json.Marshal(*r)
-	if err != nil {
-		return "", err
-	}
-	return prettyPrintJSON(jsonBytes)
-}
-
-// GetJSON returns the pretty printed JSON for a review.
-func (r *Review) GetJSON() (string, error) {
-	jsonBytes, err := json.Marshal(*r)
-	if err != nil {
-		return "", err
-	}
-	return prettyPrintJSON(jsonBytes)
-}
-
-// findLastCommit returns the later (newest) commit from the union of the provided commit
-// and all of the commits that are referenced in the given comment threads.
-func (r *Review) findLastCommit(startingCommit, latestCommit string, commentThreads []CommentThread) string {
-	isLater := func(commit string) bool {
-		if err := r.Repo.VerifyCommit(commit); err != nil {
-			return false
-		}
-		if t, e := r.Repo.IsAncestor(latestCommit, commit); e == nil && t {
-			return true
-		}
-		if t, e := r.Repo.IsAncestor(startingCommit, commit); e == nil && !t {
-			return false
-		}
-		if t, e := r.Repo.IsAncestor(commit, latestCommit); e == nil && t {
-			return false
-		}
-		ct, err := r.Repo.GetCommitTime(commit)
-		if err != nil {
-			return false
-		}
-		lt, err := r.Repo.GetCommitTime(latestCommit)
-		if err != nil {
-			return true
-		}
-		return ct > lt
-	}
-	updateLatest := func(commit string) {
-		if commit == "" {
-			return
-		}
-		if isLater(commit) {
-			latestCommit = commit
-		}
-	}
-	for _, commentThread := range commentThreads {
-		comment := commentThread.Comment
-		if comment.Location != nil {
-			updateLatest(comment.Location.Commit)
-		}
-		updateLatest(r.findLastCommit(startingCommit, latestCommit, commentThread.Children))
-	}
-	return latestCommit
-}
-
-func (r *Summary) getStartingCommit() string {
-	if r.Request.Alias != "" {
-		return r.Request.Alias
-	}
-	return r.Revision
-}
-
-// GetHeadCommit returns the latest commit in a review.
-func (r *Review) GetHeadCommit() (string, error) {
-	currentCommit := r.getStartingCommit()
-	if r.Request.ReviewRef == "" {
-		return currentCommit, nil
-	}
-
-	if r.Submitted {
-		// The review has already been submitted.
-		// Go through the list of comments and find the last commented upon commit.
-		return r.findLastCommit(currentCommit, currentCommit, r.Comments), nil
-	}
-
-	// It is possible that the review ref is no longer an ancestor of the starting
-	// commit (e.g. if a rebase left us in a detached head), in which case we have to
-	// find the head commit without using it.
-	useReviewRef, err := r.Repo.IsAncestor(currentCommit, r.Request.ReviewRef)
-	if err != nil {
-		return "", err
-	}
-	if useReviewRef {
-		return r.Repo.ResolveRefCommit(r.Request.ReviewRef)
-	}
-
-	return r.findLastCommit(currentCommit, currentCommit, r.Comments), nil
-}
-
-// GetBaseCommit returns the commit against which a review should be compared.
-func (r *Review) GetBaseCommit() (string, error) {
-	if !r.IsOpen() {
-		if r.Request.BaseCommit != "" {
-			return r.Request.BaseCommit, nil
-		}
-
-		// This means the review has been submitted, but did not specify a base commit.
-		// In this case, we have to treat the last parent commit as the base. This is
-		// usually what we want, since merging a target branch into a feature branch
-		// results in the previous commit to the feature branch being the first parent,
-		// and the latest commit to the target branch being the second parent.
-		return r.Repo.GetLastParent(r.Revision)
-	}
-
-	targetRefHead, err := r.Repo.ResolveRefCommit(r.Request.TargetRef)
-	if err != nil {
-		return "", err
-	}
-	leftHandSide := targetRefHead
-	rightHandSide := r.Revision
-	if r.Request.ReviewRef != "" {
-		if reviewRefHead, err := r.Repo.ResolveRefCommit(r.Request.ReviewRef); err == nil {
-			rightHandSide = reviewRefHead
-		}
-	}
-
-	return r.Repo.MergeBase(leftHandSide, rightHandSide)
-}
-
-// ListCommits lists the commits included in a review.
-func (r *Review) ListCommits() ([]string, error) {
-	baseCommit, err := r.GetBaseCommit()
-	if err != nil {
-		return nil, err
-	}
-	headCommit, err := r.GetHeadCommit()
-	if err != nil {
-		return nil, err
-	}
-	return r.Repo.ListCommitsBetween(baseCommit, headCommit)
-}
-
-// GetDiff returns the diff for a review.
-func (r *Review) GetDiff(diffArgs ...string) (string, error) {
-	var baseCommit, headCommit string
-	baseCommit, err := r.GetBaseCommit()
-	if err == nil {
-		headCommit, err = r.GetHeadCommit()
-	}
-	if err == nil {
-		return r.Repo.Diff(baseCommit, headCommit, diffArgs...)
-	}
-	return "", err
-}
-
-// AddComment adds the given comment to the review.
-func (r *Review) AddComment(c comment.Comment) error {
-	commentNote, err := c.Write()
-	if err != nil {
-		return err
-	}
-
-	r.Repo.AppendNote(comment.Ref, r.Revision, commentNote)
-	return nil
-}
-
-// Rebase performs an interactive rebase of the review onto its target ref.
-//
-// If the 'archivePrevious' argument is true, then the previous head of the
-// review will be added to the 'refs/devtools/archives/reviews' ref prior
-// to being rewritten. That ensures the review history is kept from being
-// garbage collected.
-func (r *Review) Rebase(archivePrevious bool) error {
-	if archivePrevious {
-		orig, err := r.GetHeadCommit()
-		if err != nil {
-			return err
-		}
-		if err := r.Repo.ArchiveRef(orig, archiveRef); err != nil {
-			return err
-		}
-	}
-	if err := r.Repo.SwitchToRef(r.Request.ReviewRef); err != nil {
-		return err
-	}
-
-	err := r.Repo.RebaseRef(r.Request.TargetRef)
-	if err != nil {
-		return err
-	}
-
-	alias, err := r.Repo.GetCommitHash("HEAD")
-	if err != nil {
-		return err
-	}
-	r.Request.Alias = alias
-	newNote, err := r.Request.Write()
-	if err != nil {
-		return err
-	}
-	return r.Repo.AppendNote(request.Ref, r.Revision, newNote)
-}
-
-// RebaseAndSign performs an interactive rebase of the review onto its
-// target ref. It signs the result of the rebase as well as (re)signs
-// the review request itself.
-//
-// If the 'archivePrevious' argument is true, then the previous head of the
-// review will be added to the 'refs/devtools/archives/reviews' ref prior
-// to being rewritten. That ensures the review history is kept from being
-// garbage collected.
-func (r *Review) RebaseAndSign(archivePrevious bool) error {
-	if archivePrevious {
-		orig, err := r.GetHeadCommit()
-		if err != nil {
-			return err
-		}
-		if err := r.Repo.ArchiveRef(orig, archiveRef); err != nil {
-			return err
-		}
-	}
-	if err := r.Repo.SwitchToRef(r.Request.ReviewRef); err != nil {
-		return err
-	}
-
-	err := r.Repo.RebaseAndSignRef(r.Request.TargetRef)
-	if err != nil {
-		return err
-	}
-
-	alias, err := r.Repo.GetCommitHash("HEAD")
-	if err != nil {
-		return err
-	}
-	r.Request.Alias = alias
-
-	key, err := r.Repo.GetUserSigningKey()
-	if err != nil {
-		return err
-	}
-	err = gpg.Sign(key, &r.Request)
-	if err != nil {
-		return err
-	}
-
-	newNote, err := r.Request.Write()
-	if err != nil {
-		return err
-	}
-	return r.Repo.AppendNote(request.Ref, r.Revision, newNote)
-}