// Refresh advises the review tool that the code being reviewed has changed, and to reload it.
//
// This corresponds to calling the diffusion.looksoon API.
func (arc Arcanist) Refresh(repo repository.Repo) {
// We cannot determine the repo's callsign (the identifier Phabricator uses for the repo)
// in all cases, but we can figure it out in the case that the mirror runs on the same
// directories that Phabricator is using. In that scenario, the repo directories default
// to being named "/var/repo/<CALLSIGN>", so if the repo path starts with that prefix then
// we can try to strip out that prefix and use the rest as a callsign.
if strings.HasPrefix(repo.GetPath(), defaultRepoDirPrefix) {
possibleCallsign := strings.TrimPrefix(repo.GetPath(), defaultRepoDirPrefix)
request := lookSoonRequest{Callsigns: []string{possibleCallsign}}
response := make(map[string]interface{})
runArcCommandOrDie("diffusion.looksoon", request, &response)
}
}
// LaunchEditor launches the default editor configured for the given repo. This
// method blocks until the editor command has returned.
//
// The specified filename should be a temporary file and provided as a relative path
// from the repo (e.g. "FILENAME" will be converted to ".git/FILENAME"). This file
// will be deleted after the editor is closed and its contents have been read.
//
// This method returns the text that was read from the temporary file, or
// an error if any step in the process failed.
func LaunchEditor(repo repository.Repo, fileName string) (string, error) {
editor, err := repo.GetCoreEditor()
if err != nil {
return "", fmt.Errorf("Unable to detect default git editor: %v\n", err)
}
path := fmt.Sprintf("%s/.git/%s", repo.GetPath(), fileName)
cmd, err := startInlineCommand(editor, path)
if err != nil {
// Running the editor directly did not work. This might mean that
// the editor string is not a path to an executable, but rather
// a shell command (e.g. "emacsclient --tty"). As such, we'll try
// to run the command through bash, and if that fails, try with sh
args := []string{"-c", fmt.Sprintf("%s %q", editor, path)}
cmd, err = startInlineCommand("bash", args...)
if err != nil {
cmd, err = startInlineCommand("sh", args...)
}
}
if err != nil {
return "", fmt.Errorf("Unable to start editor: %v\n", err)
}
if err := cmd.Wait(); err != nil {
return "", fmt.Errorf("Editing finished with error: %v\n", err)
}
output, err := ioutil.ReadFile(path)
if err != nil {
os.Remove(path)
return "", fmt.Errorf("Error reading edited file: %v\n", err)
}
os.Remove(path)
return string(output), err
}
// createDifferentialDiff generates a Phabricator resource that represents a diff between two revisions.
//
// The generated resource includes metadata about how the diff was generated, and a JSON representation
// of the changes from the diff, as parsed by Phabricator.
func (arc Arcanist) createDifferentialDiff(repo repository.Repo, mergeBase, revision string, req request.Request, priorDiffs []string) (*differentialDiff, error) {
repoCommitDetails, err := repo.GetCommitDetails(revision)
if err != nil {
return nil, err
}
var revisionDetails CommitDetails
revisionDetails.Commit = revision
revisionDetails.Author = repoCommitDetails.Author
revisionDetails.AuthorEmail = repoCommitDetails.AuthorEmail
revisionDetails.Tree = repoCommitDetails.Tree
revisionDetails.Time = repoCommitDetails.Time
revisionDetails.Parents = repoCommitDetails.Parents
revisionDetails.Summary = repoCommitDetails.Summary
changes, err := arc.getDiffChanges(repo, mergeBase, revision)
if err != nil {
return nil, err
}
createRequest := differentialCreateDiffRequest{
Branch: abbreviateRefName(req.ReviewRef),
SourceControlSystem: "git",
SourceControlBaseRevision: string(mergeBase),
SourcePath: repo.GetPath(),
LintStatus: "skip",
UnitStatus: "skip",
Changes: changes,
}
var createResponse differentialCreateDiffResponse
runArcCommandOrDie("differential.creatediff", createRequest, &createResponse)
if createResponse.Error != "" {
return nil, fmt.Errorf(createResponse.ErrorMessage)
}
localCommits := make(map[string]interface{})
for _, priorDiff := range priorDiffs {
diffID, err := strconv.Atoi(priorDiff)
if err != nil {
return nil, err
}
queryRequest := differentialQueryDiffsRequest{[]int{diffID}}
var queryResponse differentialQueryDiffsResponse
runArcCommandOrDie("differential.querydiffs", queryRequest, &queryResponse)
if queryResponse.Error != "" {
return nil, fmt.Errorf(queryResponse.ErrorMessage)
}
priorProperty := queryResponse.Response[priorDiff].Properties
if priorPropertyMap, ok := priorProperty.(map[string]interface{}); ok {
if localCommitsProperty, ok := priorPropertyMap["local:commits"]; ok {
if priorLocalCommits, ok := localCommitsProperty.(map[string]interface{}); ok {
for id, val := range priorLocalCommits {
localCommits[id] = val
}
}
}
}
}
localCommits[string(revision)] = revisionDetails
localCommitsProperty, err := json.Marshal(localCommits)
if err != nil {
return nil, err
}
if err := arc.setDiffProperty(createResponse.Response.ID, "local:commits", string(localCommitsProperty)); err != nil {
return nil, err
}
return &createResponse.Response, nil
}
func mirrorRepoToReview(repo repository.Repo, tool review_utils.Tool, syncToRemote bool) {
if syncToRemote {
repo.PullNotes("origin", "refs/notes/devtools/*")
}
stateHash, err := repo.GetRepoStateHash()
if err != nil {
log.Fatal(err)
}
if processedStates[repo.GetPath()] != stateHash {
log.Print("Mirroring repo: ", repo)
for _, r := range review.ListAll(repo) {
reviewJson, err := r.GetJSON()
if err != nil {
log.Fatal(err)
}
log.Println("Mirroring review: ", reviewJson)
existingComments[r.Revision] = r.Comments
reviewDetails, err := r.Details()
if err == nil {
tool.EnsureRequestExists(repo, *reviewDetails)
}
}
openReviews[repo.GetPath()] = tool.ListOpenReviews(repo)
processedStates[repo.GetPath()] = stateHash
tool.Refresh(repo)
}
ReviewLoop:
for _, phabricatorReview := range openReviews[repo.GetPath()] {
if reviewCommit := phabricatorReview.GetFirstCommit(repo); reviewCommit != "" {
log.Println("Processing review: ", reviewCommit)
r, err := review.GetSummary(repo, reviewCommit)
if err != nil {
log.Fatal(err)
} else if r == nil {
log.Printf("Skipping unknown review %q", reviewCommit)
continue ReviewLoop
}
revisionComments := existingComments[reviewCommit]
log.Printf("Loaded %d comments for %v\n", len(revisionComments), reviewCommit)
for _, c := range phabricatorReview.LoadComments() {
if !hasOverlap(c, revisionComments) {
// The comment is new.
note, err := c.Write()
if err != nil {
log.Fatal(err)
}
log.Printf("Appending a comment: %s", string(note))
repo.AppendNote(comment.Ref, reviewCommit, note)
} else {
log.Printf("Skipping '%v', as it has already been written\n", c)
}
}
}
}
if syncToRemote {
if err := repo.PushNotes("origin", "refs/notes/devtools/*"); err != nil {
log.Printf("Failed to push updates to the repo %v: %v\n", repo, err)
}
}
}
// commentOnReview adds a comment to the current code review.
func commentOnReview(repo repository.Repo, args []string) error {
commentFlagSet.Parse(args)
args = commentFlagSet.Args()
var r *review.Review
var err error
if len(args) > 1 {
return errors.New("Only accepting a single review is supported.")
}
if len(args) == 1 {
r, err = review.Get(repo, args[0])
} else {
r, err = review.GetCurrent(repo)
}
if err != nil {
return fmt.Errorf("Failed to load the review: %v\n", err)
}
if r == nil {
return errors.New("There is no matching review.")
}
if *commentLgtm && *commentNmw {
return errors.New("You cannot combine the flags -lgtm and -nmw.")
}
if *commentLine != 0 && *commentFile == "" {
return errors.New("Specifying a line number with the -l flag requires that you also specify a file name with the -f flag.")
}
if *commentParent != "" && !commentHashExists(*commentParent, r.Comments) {
return errors.New("There is no matching parent comment.")
}
if *commentMessage == "" {
editor, err := repo.GetCoreEditor()
if err != nil {
return fmt.Errorf("Unable to detect default git editor: %v\n", err)
}
path := fmt.Sprintf("%s/.git/%s", repo.GetPath(), commentFilename)
cmd := exec.Command(editor, path)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err = cmd.Start()
if err != nil {
return fmt.Errorf("Unable to start editor: %v\n", err)
}
err = cmd.Wait()
if err != nil {
return fmt.Errorf("Editing finished with error: %v\n", err)
}
comment, err := ioutil.ReadFile(path)
if err != nil {
os.Remove(path)
return fmt.Errorf("Error reading comment file: %v\n", err)
}
*commentMessage = string(comment)
os.Remove(path)
}
commentedUponCommit, err := r.GetHeadCommit()
if err != nil {
return err
}
location := comment.Location{
Commit: commentedUponCommit,
}
if *commentFile != "" {
location.Path = *commentFile
if *commentLine != 0 {
location.Range = &comment.Range{
StartLine: uint32(*commentLine),
}
}
}
userEmail, err := repo.GetUserEmail()
if err != nil {
return err
}
c := comment.New(userEmail, *commentMessage)
c.Location = &location
c.Parent = *commentParent
if *commentLgtm || *commentNmw {
resolved := *commentLgtm
c.Resolved = &resolved
}
return r.AddComment(c)
}
// rejectReview adds an NMW comment to the current code review.
func rejectReview(repo repository.Repo, args []string) error {
rejectFlagSet.Parse(args)
args = rejectFlagSet.Args()
var r *review.Review
var err error
if len(args) > 1 {
return errors.New("Only rejecting a single review is supported.")
}
if len(args) == 1 {
r, err = review.Get(repo, args[0])
} else {
r, err = review.GetCurrent(repo)
}
if err != nil {
return fmt.Errorf("Failed to load the review: %v\n", err)
}
if r == nil {
return errors.New("There is no matching review.")
}
if *rejectMessage == "" {
editor, err := repo.GetCoreEditor()
if err != nil {
return fmt.Errorf("Unable to detect default git editor: %v\n", err)
}
path := fmt.Sprintf("%s/.git/%s", repo.GetPath(), rejectFilename)
cmd := exec.Command(editor, path)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err = cmd.Start()
if err != nil {
return fmt.Errorf("Unable to start editor: %v\n", err)
}
err = cmd.Wait()
if err != nil {
return fmt.Errorf("Editing finished with error: %v\n", err)
}
comment, err := ioutil.ReadFile(path)
if err != nil {
os.Remove(path)
return fmt.Errorf("Error reading comment file: %v\n", err)
}
*rejectMessage = string(comment)
os.Remove(path)
}
rejectedCommit, err := r.GetHeadCommit()
if err != nil {
return err
}
location := comment.Location{
Commit: rejectedCommit,
}
resolved := false
userEmail, err := repo.GetUserEmail()
if err != nil {
return err
}
c := comment.New(userEmail, *rejectMessage)
c.Location = &location
c.Resolved = &resolved
return r.AddComment(c)
}