/*
# while on a topic branch called "feature":
$ gh pull-request
[ opens text editor to edit title & body for the request ]
[ opened pull request on GitHub for "YOUR_USER:feature" ]
# explicit pull base & head:
$ gh pull-request -b jingweno:master -h jingweno:feature
$ gh pull-request -m "title\n\nbody"
[ create pull request with title & body ]
$ gh pull-request -i 123
[ attached pull request to issue #123 ]
$ gh pull-request https://github.com/jingweno/gh/pull/123
[ attached pull request to issue #123 ]
$ gh pull-request -F FILE
[ create pull request with title & body from FILE ]
*/
func pullRequest(cmd *Command, args *Args) {
localRepo, err := github.LocalRepo()
utils.Check(err)
currentBranch, err := localRepo.CurrentBranch()
utils.Check(err)
baseProject, err := localRepo.MainProject()
utils.Check(err)
host, err := github.CurrentConfig().PromptForHost(baseProject.Host)
if err != nil {
utils.Check(github.FormatError("creating pull request", err))
}
trackedBranch, headProject, err := localRepo.RemoteBranchAndProject(host.User, false)
utils.Check(err)
var (
base, head string
force bool
)
force = flagPullRequestForce
if flagPullRequestBase != "" {
baseProject, base = parsePullRequestProject(baseProject, flagPullRequestBase)
}
if flagPullRequestHead != "" {
headProject, head = parsePullRequestProject(headProject, flagPullRequestHead)
}
if args.ParamsSize() == 1 {
arg := args.RemoveParam(0)
flagPullRequestIssue = parsePullRequestIssueNumber(arg)
}
if base == "" {
masterBranch := localRepo.MasterBranch()
base = masterBranch.ShortName()
}
if head == "" && trackedBranch != nil {
if !trackedBranch.IsRemote() {
// the current branch tracking another branch
// pretend there's no upstream at all
trackedBranch = nil
} else {
if baseProject.SameAs(headProject) && base == trackedBranch.ShortName() {
e := fmt.Errorf(`Aborted: head branch is the same as base ("%s")`, base)
e = fmt.Errorf("%s\n(use `-h <branch>` to specify an explicit pull request head)", e)
utils.Check(e)
}
}
}
if head == "" {
if trackedBranch == nil {
head = currentBranch.ShortName()
} else {
head = trackedBranch.ShortName()
}
}
title, body, err := getTitleAndBodyFromFlags(flagPullRequestMessage, flagPullRequestFile)
utils.Check(err)
fullBase := fmt.Sprintf("%s:%s", baseProject.Owner, base)
fullHead := fmt.Sprintf("%s:%s", headProject.Owner, head)
if !force && trackedBranch != nil {
remoteCommits, _ := git.RefList(trackedBranch.LongName(), "")
if len(remoteCommits) > 0 {
err = fmt.Errorf("Aborted: %d commits are not yet pushed to %s", len(remoteCommits), trackedBranch.LongName())
err = fmt.Errorf("%s\n(use `-f` to force submit a pull request anyway)", err)
utils.Check(err)
}
}
var editor *github.Editor
if title == "" && flagPullRequestIssue == "" {
baseTracking := base
headTracking := head
remote := gitRemoteForProject(baseProject)
if remote != nil {
baseTracking = fmt.Sprintf("%s/%s", remote.Name, base)
}
if remote == nil || !baseProject.SameAs(headProject) {
remote = gitRemoteForProject(headProject)
}
if remote != nil {
headTracking = fmt.Sprintf("%s/%s", remote.Name, head)
}
message, err := pullRequestChangesMessage(baseTracking, headTracking, fullBase, fullHead)
utils.Check(err)
editor, err = github.NewEditor("PULLREQ", "pull request", message)
utils.Check(err)
title, body, err = editor.EditTitleAndBody()
utils.Check(err)
}
if title == "" && flagPullRequestIssue == "" {
utils.Check(fmt.Errorf("Aborting due to empty pull request title"))
}
var pullRequestURL string
if args.Noop {
args.Before(fmt.Sprintf("Would request a pull request to %s from %s", fullBase, fullHead), "")
pullRequestURL = "PULL_REQUEST_URL"
} else {
var (
pr *octokit.PullRequest
err error
)
client := github.NewClientWithHost(host)
if title != "" {
pr, err = client.CreatePullRequest(baseProject, base, fullHead, title, body)
} else if flagPullRequestIssue != "" {
pr, err = client.CreatePullRequestForIssue(baseProject, base, fullHead, flagPullRequestIssue)
}
if err == nil && editor != nil {
defer editor.DeleteFile()
}
utils.Check(err)
pullRequestURL = pr.HTMLURL
if flagPullRequestAssignee != "" || flagPullRequestMilestone > 0 ||
flagPullRequestLabels != "" {
params := octokit.IssueParams{
Assignee: flagPullRequestAssignee,
Milestone: flagPullRequestMilestone,
Labels: strings.Split(flagPullRequestLabels, ","),
}
err = client.UpdateIssue(baseProject, pr.Number, params)
utils.Check(err)
}
}
if flagPullRequestBrowse {
launcher, err := utils.BrowserLauncher()
utils.Check(err)
args.Replace(launcher[0], "", launcher[1:]...)
args.AppendParams(pullRequestURL)
} else {
args.Replace("echo", "", pullRequestURL)
}
if flagPullRequestIssue != "" {
args.After("echo", "Warning: Issue to pull request conversion is deprecated and might not work in the future.")
}
}
func pullRequest(cmd *Command, args *Args) {
localRepo, err := github.LocalRepo()
utils.Check(err)
currentBranch, err := localRepo.CurrentBranch()
utils.Check(err)
baseProject, err := localRepo.MainProject()
utils.Check(err)
host, err := github.CurrentConfig().PromptForHost(baseProject.Host)
if err != nil {
utils.Check(github.FormatError("creating pull request", err))
}
client := github.NewClientWithHost(host)
trackedBranch, headProject, err := localRepo.RemoteBranchAndProject(host.User, false)
utils.Check(err)
var (
base, head string
force bool
)
force = flagPullRequestForce
if flagPullRequestBase != "" {
baseProject, base = parsePullRequestProject(baseProject, flagPullRequestBase)
}
if flagPullRequestHead != "" {
headProject, head = parsePullRequestProject(headProject, flagPullRequestHead)
}
if args.ParamsSize() == 1 {
arg := args.RemoveParam(0)
flagPullRequestIssue = parsePullRequestIssueNumber(arg)
}
if base == "" {
masterBranch := localRepo.MasterBranch()
base = masterBranch.ShortName()
}
if head == "" && trackedBranch != nil {
if !trackedBranch.IsRemote() {
// the current branch tracking another branch
// pretend there's no upstream at all
trackedBranch = nil
} else {
if baseProject.SameAs(headProject) && base == trackedBranch.ShortName() {
e := fmt.Errorf(`Aborted: head branch is the same as base ("%s")`, base)
e = fmt.Errorf("%s\n(use `-h <branch>` to specify an explicit pull request head)", e)
utils.Check(e)
}
}
}
if head == "" {
if trackedBranch == nil {
head = currentBranch.ShortName()
} else {
head = trackedBranch.ShortName()
}
}
if headRepo, err := client.Repository(headProject); err == nil {
headProject.Owner = headRepo.Owner.Login
headProject.Name = headRepo.Name
}
fullBase := fmt.Sprintf("%s:%s", baseProject.Owner, base)
fullHead := fmt.Sprintf("%s:%s", headProject.Owner, head)
if !force && trackedBranch != nil {
remoteCommits, _ := git.RefList(trackedBranch.LongName(), "")
if len(remoteCommits) > 0 {
err = fmt.Errorf("Aborted: %d commits are not yet pushed to %s", len(remoteCommits), trackedBranch.LongName())
err = fmt.Errorf("%s\n(use `-f` to force submit a pull request anyway)", err)
utils.Check(err)
}
}
var editor *github.Editor
var title, body string
baseTracking := base
headTracking := head
remote := gitRemoteForProject(baseProject)
if remote != nil {
baseTracking = fmt.Sprintf("%s/%s", remote.Name, base)
}
if remote == nil || !baseProject.SameAs(headProject) {
remote = gitRemoteForProject(headProject)
}
if remote != nil {
headTracking = fmt.Sprintf("%s/%s", remote.Name, head)
}
if flagPullRequestPush && remote == nil {
utils.Check(fmt.Errorf("Can't find remote for %s", head))
}
if cmd.FlagPassed("message") {
title, body = readMsg(flagPullRequestMessage)
} else if cmd.FlagPassed("file") {
title, body, editor, err = readMsgFromFile(flagPullRequestFile, flagPullRequestEdit, "PULLREQ", "pull request")
utils.Check(err)
} else if flagPullRequestIssue == "" {
headForMessage := headTracking
if flagPullRequestPush {
headForMessage = head
}
message, err := createPullRequestMessage(baseTracking, headForMessage, fullBase, fullHead)
utils.Check(err)
editor, err = github.NewEditor("PULLREQ", "pull request", message)
utils.Check(err)
title, body, err = editor.EditTitleAndBody()
utils.Check(err)
}
if title == "" && flagPullRequestIssue == "" {
utils.Check(fmt.Errorf("Aborting due to empty pull request title"))
}
if flagPullRequestPush {
if args.Noop {
args.Before(fmt.Sprintf("Would push to %s/%s", remote.Name, head), "")
} else {
err = git.Spawn("push", "--set-upstream", remote.Name, fmt.Sprintf("HEAD:%s", head))
utils.Check(err)
}
}
var pullRequestURL string
if args.Noop {
args.Before(fmt.Sprintf("Would request a pull request to %s from %s", fullBase, fullHead), "")
pullRequestURL = "PULL_REQUEST_URL"
} else {
params := map[string]interface{}{
"base": base,
"head": fullHead,
}
if title != "" {
params["title"] = title
if body != "" {
params["body"] = body
}
} else {
issueNum, _ := strconv.Atoi(flagPullRequestIssue)
params["issue"] = issueNum
}
startedAt := time.Now()
numRetries := 0
retryDelay := 2
retryAllowance := 0
if flagPullRequestPush {
if allowanceFromEnv := os.Getenv("HUB_RETRY_TIMEOUT"); allowanceFromEnv != "" {
retryAllowance, err = strconv.Atoi(allowanceFromEnv)
utils.Check(err)
} else {
retryAllowance = 9
}
}
var pr *github.PullRequest
for {
pr, err = client.CreatePullRequest(baseProject, params)
if err != nil && strings.Contains(err.Error(), `Invalid value for "head"`) {
if retryAllowance > 0 {
retryAllowance -= retryDelay
time.Sleep(time.Duration(retryDelay) * time.Second)
retryDelay += 1
numRetries += 1
} else {
if numRetries > 0 {
duration := time.Now().Sub(startedAt)
err = fmt.Errorf("%s\nGiven up after retrying for %.1f seconds.", err, duration.Seconds())
}
break
}
} else {
break
}
}
if err == nil && editor != nil {
defer editor.DeleteFile()
}
utils.Check(err)
pullRequestURL = pr.HtmlUrl
params = map[string]interface{}{}
if len(flagPullRequestLabels) > 0 {
params["labels"] = flagPullRequestLabels
}
if len(flagPullRequestAssignees) > 0 {
params["assignees"] = flagPullRequestAssignees
}
if flagPullRequestMilestone > 0 {
params["milestone"] = flagPullRequestMilestone
}
if len(params) > 0 {
err = client.UpdateIssue(baseProject, pr.Number, params)
utils.Check(err)
}
}
if flagPullRequestIssue != "" {
ui.Errorln("Warning: Issue to pull request conversion is deprecated and might not work in the future.")
}
args.NoForward()
printBrowseOrCopy(args, pullRequestURL, flagPullRequestBrowse, flagPullRequestCopy)
}