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1629 lines (1429 loc) · 68.1 KB
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as vscode from 'vscode';
import {
byRemoteName,
FolderRepositoryManager,
PullRequestDefaults,
titleAndBodyFrom,
} from './folderRepositoryManager';
import { GitHubRepository, isRateLimitError, ViewerPermission } from './githubRepository';
import { IAccount, ILabel, IMilestone, IProject, isITeam, ITeam, MergeMethod, RepoAccessAndMergeMethods } from './interface';
import { BaseBranchMetadata, PullRequestGitHelper } from './pullRequestGitHelper';
import { PullRequestModel } from './pullRequestModel';
import { getDefaultMergeMethod } from './pullRequestOverview';
import { branchPicks, cachedBranchPicks, getAssigneesQuickPickItems, getLabelOptions, getMilestoneFromQuickPick, getProjectFromQuickPick, reviewersQuickPick } from './quickPicks';
import { ISSUE_EXPRESSION, parseIssueExpressionOutput, variableSubstitution } from './utils';
import { ChangeTemplateReply, DisplayLabel, PreReviewState } from './views';
import { RemoteInfo } from '../../common/types';
import { CancelCreatePullRequestNew, ChooseBaseRemoteAndBranchResult, ChooseCompareRemoteAndBranchResult, ChooseRemoteAndBranchArgs, CreateParamsNew, CreatePullRequestNew, TitleAndDescriptionArgs } from '../../common/views';
import type { Branch } from '../api/api';
import { debounce } from '../common/async';
import { GitHubServerType } from '../common/authentication';
import { emojify, ensureEmojis } from '../common/emoji';
import { commands, contexts } from '../common/executeCommands';
import Logger from '../common/logger';
import { Protocol } from '../common/protocol';
import { GitHubRemote } from '../common/remote';
import {
ASSIGN_TO,
CREATE_BASE_BRANCH,
DEFAULT_CREATE_OPTION,
PR_SETTINGS_NAMESPACE,
PULL_REQUEST_DESCRIPTION,
PULL_REQUEST_LABELS,
PUSH_BRANCH,
SHOW_CREATE_PULL_REQUEST_CANCEL_CONFIRMATION
} from '../common/settingKeys';
import { ITelemetry } from '../common/telemetry';
import { asPromise, compareIgnoreCase, formatError, promiseWithTimeout } from '../common/utils';
import { generateUuid } from '../common/uuid';
import { IRequestMessage, WebviewViewBase } from '../common/webview';
import { PREVIOUS_CREATE_METHOD, RECENTLY_USED_BRANCHES, RecentlyUsedBranchesState } from '../extensionState';
import { CreatePullRequestDataModel } from '../view/createPullRequestDataModel';
const ISSUE_CLOSING_KEYWORDS = new RegExp('closes|closed|close|fixes|fixed|fix|resolves|resolved|resolve\s$', 'i'); // https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword
export interface BasePullRequestDataModel {
baseOwner: string;
repositoryName: string;
}
export abstract class BaseCreatePullRequestViewProvider<T extends BasePullRequestDataModel = BasePullRequestDataModel> extends WebviewViewBase implements vscode.WebviewViewProvider {
protected static readonly ID = 'CreatePullRequestViewProvider';
public override readonly viewType = 'github:createPullRequestWebview';
protected _onDone = new vscode.EventEmitter<PullRequestModel | undefined>();
readonly onDone: vscode.Event<PullRequestModel | undefined> = this._onDone.event;
protected _firstLoad: boolean = true;
constructor(
protected readonly telemetry: ITelemetry,
protected readonly model: T,
extensionUri: vscode.Uri,
protected readonly _folderRepositoryManager: FolderRepositoryManager,
protected readonly _pullRequestDefaults: PullRequestDefaults,
protected _defaultCompareBranch: string
) {
super(extensionUri);
}
public override resolveWebviewView(
webviewView: vscode.WebviewView,
_context: vscode.WebviewViewResolveContext,
_token: vscode.CancellationToken,
) {
super.resolveWebviewView(webviewView, _context, _token);
webviewView.webview.html = this._getHtmlForWebview();
if (this._firstLoad) {
this._firstLoad = false;
// Reset any stored state.
return this.initializeParams(true);
} else {
return this.initializeParams();
}
}
public override show() {
super.show();
}
public static withProgress<R>(task: (progress: vscode.Progress<{ message?: string; increment?: number }>, token: vscode.CancellationToken) => Thenable<R>) {
return vscode.window.withProgress({ location: { viewId: 'github:createPullRequestWebview' } }, task);
}
protected async getPullRequestDefaultLabels(defaultBaseRemote: RemoteInfo): Promise<ILabel[]> {
const pullRequestLabelSettings = vscode.workspace.getConfiguration(PR_SETTINGS_NAMESPACE).inspect<string[]>(PULL_REQUEST_LABELS);
if (!pullRequestLabelSettings) {
return [];
}
const defaultLabelValues = new Array<string>();
if (pullRequestLabelSettings.workspaceValue) {
defaultLabelValues.push(...pullRequestLabelSettings.workspaceValue);
}
if (pullRequestLabelSettings.globalValue) {
defaultLabelValues.push(...pullRequestLabelSettings.globalValue);
}
// Return early if no config present
if (!defaultLabelValues || defaultLabelValues.length === 0) {
return [];
}
// Fetch labels from the repo and filter with case-sensitive comparison to be safe,
// dropping any labels that don't exist on the repo.
// TODO: @alexr00 - Add a cache for this.
const labels = await this._folderRepositoryManager.getLabels(undefined, { owner: defaultBaseRemote.owner, repo: defaultBaseRemote.repositoryName });
const defaultLabels = labels.filter(label => defaultLabelValues.includes(label.name));
return defaultLabels;
}
protected abstract getTitleAndDescription(compareBranch: Branch, baseBranch: string): Promise<{ title: string, description: string }>;
protected async getMergeConfiguration(owner: string, name: string, refetch: boolean = false): Promise<RepoAccessAndMergeMethods | undefined> {
const repo = await this._folderRepositoryManager.createGitHubRepositoryFromOwnerName(owner, name);
if (!repo) {
return undefined;
}
return repo.getRepoAccessAndMergeMethods(refetch);
}
protected saveRecentlyUsedBranch(owner: string, repositoryName: string, branchName: string): void {
const repoKey = `${owner}/${repositoryName}`;
const state = this._folderRepositoryManager.context.workspaceState.get<RecentlyUsedBranchesState>(RECENTLY_USED_BRANCHES, { branches: {} });
// Get the current list for this repo
let recentBranches = state.branches[repoKey] || [];
// Remove the branch if it's already in the list
recentBranches = recentBranches.filter(b => b !== branchName);
// Add it to the front
recentBranches.unshift(branchName);
// Limit to 10 branches
recentBranches = recentBranches.slice(0, 10);
// Save back to state
state.branches[repoKey] = recentBranches;
this._folderRepositoryManager.context.workspaceState.update(RECENTLY_USED_BRANCHES, state);
}
private initializeWhenVisibleDisposable: vscode.Disposable | undefined;
public async initializeParams(reset: boolean = false): Promise<void> {
if (this._view?.visible === false && this.initializeWhenVisibleDisposable === undefined) {
this.initializeWhenVisibleDisposable = this._view?.onDidChangeVisibility(() => {
this.initializeWhenVisibleDisposable?.dispose();
this.initializeWhenVisibleDisposable = undefined;
void this.initializeParams();
});
return;
}
if (reset) {
// First clear all state ASAP
this._postMessage({ command: 'reset' });
}
await this.initializeParamsPromise();
}
private _alreadyInitializing: Promise<CreateParamsNew> | undefined;
private async initializeParamsPromise(): Promise<CreateParamsNew> {
if (!this._alreadyInitializing) {
this._alreadyInitializing = this.doInitializeParams();
this._alreadyInitializing.then(() => {
this._alreadyInitializing = undefined;
});
}
return this._alreadyInitializing;
}
protected abstract detectBaseMetadata(defaultCompareBranch: Branch): Promise<BaseBranchMetadata | undefined>;
// Called once the detected base branch is known, before getTitleAndDescription runs.
// Subclasses can override to update model state that getTitleAndDescription depends on.
protected onBaseBranchDetected(_baseOwner: string, _baseBranch: string): void { }
protected getTitleAndDescriptionProvider(name?: string) {
return this._folderRepositoryManager.getTitleAndDescriptionProvider(name);
}
protected async getCreateParams(): Promise<CreateParamsNew> {
const defaultCompareBranch = await this._folderRepositoryManager.repository.getBranch(this._defaultCompareBranch);
const [detectedBaseMetadata, remotes, defaultOrigin] = await Promise.all([
this.detectBaseMetadata(defaultCompareBranch),
this._folderRepositoryManager.getGitHubRemotes(),
this._folderRepositoryManager.getOrigin(defaultCompareBranch),
ensureEmojis(this._folderRepositoryManager.context)
]);
const defaultBaseRemote: RemoteInfo = {
owner: detectedBaseMetadata?.owner ?? this._pullRequestDefaults.owner,
repositoryName: detectedBaseMetadata?.repositoryName ?? this._pullRequestDefaults.repo,
};
const defaultCompareRemote: RemoteInfo = {
owner: defaultOrigin.remote.owner,
repositoryName: defaultOrigin.remote.repositoryName,
};
const defaultBaseBranch = detectedBaseMetadata?.branch ?? this._pullRequestDefaults.base;
// Notify subclasses so they can update model state before getTitleAndDescription runs.
this.onBaseBranchDetected(defaultBaseRemote.owner, defaultBaseBranch);
let defaultTitleAndDescription: { title: string; description: string };
let mergeConfiguration: RepoAccessAndMergeMethods | undefined;
let viewerPermission: ViewerPermission;
let mergeQueueMethodForBranch: MergeMethod | undefined;
let labels: ILabel[];
try {
[defaultTitleAndDescription, mergeConfiguration, viewerPermission, mergeQueueMethodForBranch, labels] = await Promise.all([
this.getTitleAndDescription(defaultCompareBranch, defaultBaseBranch),
this.getMergeConfiguration(defaultBaseRemote.owner, defaultBaseRemote.repositoryName),
defaultOrigin.getViewerPermission(),
this._folderRepositoryManager.mergeQueueMethodForBranch(defaultBaseBranch, defaultBaseRemote.owner, defaultBaseRemote.repositoryName),
this.getPullRequestDefaultLabels(defaultBaseRemote)
]);
} catch (e) {
if (isRateLimitError(e)) {
vscode.window.showErrorMessage(vscode.l10n.t('GitHub API rate limit exceeded. Please wait and try again.'));
}
Logger.error(`Error initializing create pull request view: ${e}`, BaseCreatePullRequestViewProvider.ID);
return {
canModifyBranches: true,
defaultBaseRemote,
defaultBaseBranch,
defaultCompareRemote,
defaultCompareBranch: this._defaultCompareBranch,
defaultTitle: '',
defaultDescription: '',
baseHasMergeQueue: false,
remoteCount: remotes.length,
autoMergeDefault: false,
createError: '',
isDraftDefault: false,
isDarkTheme: vscode.window.activeColorTheme.kind === vscode.ColorThemeKind.Dark,
generateTitleAndDescriptionTitle: undefined,
creating: false,
initializeWithGeneratedTitleAndDescription: false,
preReviewState: PreReviewState.None,
preReviewer: undefined,
reviewing: false,
usingTemplate: false,
};
}
const defaultCreateOption = vscode.workspace.getConfiguration(PR_SETTINGS_NAMESPACE).get<'lastUsed' | 'create' | 'createDraft' | 'createAutoMerge'>(DEFAULT_CREATE_OPTION, 'lastUsed');
const lastCreateMethod: { autoMerge: boolean, mergeMethod: MergeMethod | undefined, isDraft: boolean } | undefined = this._folderRepositoryManager.context.workspaceState.get<{ autoMerge: boolean, mergeMethod: MergeMethod, isDraft } | undefined>(PREVIOUS_CREATE_METHOD, undefined);
const repoMergeMethod = mergeConfiguration ? getDefaultMergeMethod(mergeConfiguration.mergeMethodsAvailability) : 'merge' as MergeMethod;
// default values are for 'create'
let defaultMergeMethod: MergeMethod = repoMergeMethod;
let isDraftDefault: boolean = false;
let autoMergeDefault: boolean = false;
defaultMergeMethod = (defaultCreateOption === 'lastUsed' && lastCreateMethod?.mergeMethod) ? lastCreateMethod?.mergeMethod : repoMergeMethod;
if (defaultCreateOption === 'lastUsed') {
defaultMergeMethod = lastCreateMethod?.mergeMethod ?? repoMergeMethod;
isDraftDefault = !!lastCreateMethod?.isDraft;
autoMergeDefault = !!mergeConfiguration?.viewerCanAutoMerge && !!lastCreateMethod?.autoMerge;
} else if (defaultCreateOption === 'createDraft') {
isDraftDefault = true;
} else if (defaultCreateOption === 'createAutoMerge') {
autoMergeDefault = !!mergeConfiguration?.viewerCanAutoMerge;
}
commands.setContext(contexts.CREATE_PR_PERMISSIONS, viewerPermission);
const descriptionSource = vscode.workspace.getConfiguration(PR_SETTINGS_NAMESPACE).get<'commit' | 'template' | 'none' | 'Copilot'>(PULL_REQUEST_DESCRIPTION);
const useCopilot: boolean = !!this.getTitleAndDescriptionProvider('Copilot') && (descriptionSource === 'Copilot');
const usingTemplate: boolean = descriptionSource === 'template';
const defaultTitleAndDescriptionProvider = this.getTitleAndDescriptionProvider()?.title;
if (defaultTitleAndDescriptionProvider) {
/* __GDPR__
"pr.defaultTitleAndDescriptionProvider" : {
"providerTitle" : { "classification": "SystemMetaData", "purpose": "FeatureInsight" }
}
*/
this.telemetry.sendTelemetryEvent('pr.defaultTitleAndDescriptionProvider', { providerTitle: defaultTitleAndDescriptionProvider });
}
const preReviewer = this._folderRepositoryManager.getAutoReviewer();
this.labels = labels.map(label => ({ ...label, displayName: emojify(label.name) }));
const params: CreateParamsNew = {
canModifyBranches: true,
defaultBaseRemote,
defaultBaseBranch,
defaultCompareRemote,
defaultCompareBranch: this._defaultCompareBranch,
defaultTitle: defaultTitleAndDescription.title,
defaultDescription: defaultTitleAndDescription.description,
defaultMergeMethod,
baseHasMergeQueue: !!mergeQueueMethodForBranch,
remoteCount: remotes.length,
allowAutoMerge: mergeConfiguration?.viewerCanAutoMerge,
mergeMethodsAvailability: mergeConfiguration?.mergeMethodsAvailability,
autoMergeDefault,
createError: '',
labels: this.labels,
isDraftDefault,
isDarkTheme: vscode.window.activeColorTheme.kind === vscode.ColorThemeKind.Dark,
generateTitleAndDescriptionTitle: defaultTitleAndDescriptionProvider,
creating: false,
initializeWithGeneratedTitleAndDescription: useCopilot,
preReviewState: PreReviewState.None,
preReviewer: preReviewer?.title,
reviewing: false,
usingTemplate
};
return params;
}
private async doInitializeParams(): Promise<CreateParamsNew> {
const params = await this.getCreateParams();
Logger.appendLine(`Initializing "create" view: ${JSON.stringify(params)}`, BaseCreatePullRequestViewProvider.ID);
this._postMessage({
command: 'pr.initialize',
params,
});
return params;
}
private async autoAssign(pr: PullRequestModel): Promise<void> {
const configuration = vscode.workspace.getConfiguration(PR_SETTINGS_NAMESPACE).get<string | undefined>(ASSIGN_TO);
if (!configuration) {
return;
}
const resolved = variableSubstitution(configuration, pr, undefined, (await this._folderRepositoryManager.getCurrentUser(pr.githubRepository))?.login);
if (!resolved) {
return;
}
try {
const user = await pr.githubRepository.resolveUser(resolved);
if (user) {
await pr.replaceAssignees([user]);
}
} catch (e) {
Logger.error(`Unable to assign pull request to user ${resolved}.`, BaseCreatePullRequestViewProvider.ID);
}
}
private async enableAutoMerge(pr: PullRequestModel, autoMerge: boolean, automergeMethod: MergeMethod | undefined): Promise<void> {
if (autoMerge && automergeMethod) {
return pr.enableAutoMerge(automergeMethod);
}
}
private async setLabels(pr: PullRequestModel, labels: ILabel[]): Promise<void> {
if (labels.length > 0) {
await pr.setLabels(labels.map(label => label.name));
}
}
private async setAssignees(pr: PullRequestModel, assignees: IAccount[]): Promise<void> {
if (assignees.length) {
await pr.replaceAssignees(assignees);
} else {
await this.autoAssign(pr);
}
}
private async setReviewers(pr: PullRequestModel, reviewers: (IAccount | ITeam)[]): Promise<void> {
if (reviewers.length) {
const users: IAccount[] = [];
const teams: ITeam[] = [];
for (const reviewer of reviewers) {
if (isITeam(reviewer)) {
teams.push(reviewer);
} else {
users.push(reviewer);
}
}
await pr.requestReview(users, teams, true);
}
}
private setMilestone(pr: PullRequestModel, milestone: IMilestone | undefined) {
if (milestone) {
return pr.updateMilestone(milestone.id);
}
}
private setProjects(pr: PullRequestModel, projects: IProject[]) {
if (projects.length) {
return pr.updateProjects(projects);
}
}
private async getBaseRemote(): Promise<GitHubRemote> {
return (await this._folderRepositoryManager.getGitHubRemotes()).find(remote => compareIgnoreCase(remote.owner, this.model.baseOwner) === 0 && compareIgnoreCase(remote.repositoryName, this.model.repositoryName) === 0)!;
}
private getBaseGitHubRepo(): GitHubRepository | undefined {
return this._folderRepositoryManager.gitHubRepositories.find(repo => compareIgnoreCase(repo.remote.owner, this.model.baseOwner) === 0 && compareIgnoreCase(repo.remote.repositoryName, this.model.repositoryName) === 0);
}
private milestone: IMilestone | undefined;
public async addMilestone(): Promise<void> {
const remote = await this.getBaseRemote();
const repo = this._folderRepositoryManager.gitHubRepositories.find(repo => repo.remote.remoteName === remote.remoteName)!;
return getMilestoneFromQuickPick(this._folderRepositoryManager, repo, this.milestone, (milestone) => {
this.milestone = milestone;
return this._postMessage({
command: 'set-milestone',
params: { milestone: this.milestone }
});
});
}
private reviewers: (IAccount | ITeam)[] = [];
public async addReviewers(): Promise<void> {
let quickPick: vscode.QuickPick<vscode.QuickPickItem & {
user?: IAccount | ITeam | undefined;
}> | undefined;
const remote = await this.getBaseRemote();
try {
const repo = this._folderRepositoryManager.gitHubRepositories.find(repo => repo.remote.remoteName === remote.remoteName)!;
const [metadata, author, teamsCount] = await Promise.all([repo?.getMetadata(), this._folderRepositoryManager.getCurrentUser(), this._folderRepositoryManager.getOrgTeamsCount(repo)]);
quickPick = await reviewersQuickPick(this._folderRepositoryManager, remote.remoteName, !!metadata?.organization, teamsCount, author, this.reviewers.map(reviewer => { return { reviewer, state: 'REQUESTED' }; }), []);
quickPick.busy = false;
const acceptPromise = asPromise<void>(quickPick.onDidAccept).then(() => {
return quickPick!.selectedItems.filter(item => item.user) as (vscode.QuickPickItem & { user: IAccount | ITeam })[] | undefined;
});
const hidePromise = asPromise<void>(quickPick.onDidHide);
const allReviewers = await Promise.race<(vscode.QuickPickItem & { user: IAccount | ITeam })[] | void>([acceptPromise, hidePromise]);
quickPick.busy = true;
if (allReviewers) {
this.reviewers = allReviewers.map(item => item.user);
this._postMessage({
command: 'set-reviewers',
params: { reviewers: this.reviewers }
});
}
} catch (e) {
Logger.error(`Failed to add reviewers: ${formatError(e)}`, BaseCreatePullRequestViewProvider.ID);
vscode.window.showErrorMessage(formatError(e));
} finally {
quickPick?.hide();
quickPick?.dispose();
}
}
private assignees: IAccount[] = [];
public async addAssignees(): Promise<void> {
const remote = await this.getBaseRemote();
const currentRepo = this._folderRepositoryManager.gitHubRepositories.find(repo => repo.remote.owner === remote.owner && repo.remote.repositoryName === remote.repositoryName);
const assigneesToAdd = await vscode.window.showQuickPick(getAssigneesQuickPickItems(this._folderRepositoryManager, currentRepo, remote.remoteName, this.assignees, undefined, true),
{ canPickMany: true, matchOnDescription: true, placeHolder: vscode.l10n.t('Add assignees') });
if (assigneesToAdd) {
const seenNewAssignees = new Set<string>();
const addedAssignees = assigneesToAdd.map(assignee => assignee.user).filter<IAccount>((assignee): assignee is IAccount => {
if (assignee && !seenNewAssignees.has(assignee.login)) {
seenNewAssignees.add(assignee.login);
return true;
}
return false;
});
this.assignees = addedAssignees;
this._postMessage({
command: 'set-assignees',
params: { assignees: this.assignees }
});
}
}
private projects: IProject[] = [];
public async addProjects(): Promise<void> {
const githubRepo = this.getBaseGitHubRepo();
if (!githubRepo) {
return;
}
await new Promise<void>((resolve) => {
getProjectFromQuickPick(this._folderRepositoryManager, githubRepo, this.projects, async (projects) => {
this.projects = projects;
this._postMessage({
command: 'set-projects',
params: { projects: this.projects }
});
resolve();
});
});
}
private labels: DisplayLabel[] = [];
public async addLabels(): Promise<void> {
let newLabels: DisplayLabel[] = [];
const labelsToAdd = await vscode.window.showQuickPick<vscode.QuickPickItem & { name: string }>(
getLabelOptions(this._folderRepositoryManager, this.labels, this.model.baseOwner, this.model.repositoryName).then(options => {
newLabels = options.newLabels;
return options.labelPicks;
}),
{ canPickMany: true, matchOnDescription: true, placeHolder: vscode.l10n.t('Apply labels') },
);
if (labelsToAdd) {
const addedLabels: DisplayLabel[] = labelsToAdd.map(label => newLabels.find(l => l.name === label.name)!);
this.labels = addedLabels;
this._postMessage({
command: 'set-labels',
params: { labels: this.labels }
});
}
}
private async removeLabel(message: IRequestMessage<{ label: ILabel }>,): Promise<void> {
const { label } = message.args;
if (!label)
return;
const previousLabelsLength = this.labels.length;
this.labels = this.labels.filter(l => l.name !== label.name);
if (previousLabelsLength === this.labels.length)
return;
this._postMessage({
command: 'set-labels',
params: { labels: this.labels }
});
}
public async createFromCommand(isDraft: boolean, autoMerge: boolean, autoMergeMethod: MergeMethod | undefined, mergeWhenReady?: boolean) {
const params: Partial<CreateParamsNew> = {
isDraft,
autoMerge,
autoMergeMethod: mergeWhenReady ? 'merge' : autoMergeMethod,
creating: true
};
return this._postMessage({
command: 'create',
params
});
}
protected abstract create(message: IRequestMessage<CreatePullRequestNew>): Promise<void>;
protected async postCreate(message: IRequestMessage<CreatePullRequestNew>, createdPR: PullRequestModel) {
return Promise.all([
this.setLabels(createdPR, message.args.labels),
this.enableAutoMerge(createdPR, message.args.autoMerge, message.args.autoMergeMethod),
this.setAssignees(createdPR, message.args.assignees),
this.setReviewers(createdPR, message.args.reviewers),
this.setMilestone(createdPR, message.args.milestone),
this.setProjects(createdPR, message.args.projects)]);
}
private async cancel(message: IRequestMessage<CancelCreatePullRequestNew>) {
if (message.args.hasUnsavedChanges
&& vscode.workspace.getConfiguration(PR_SETTINGS_NAMESPACE).get<boolean>(SHOW_CREATE_PULL_REQUEST_CANCEL_CONFIRMATION, true)) {
const discard = vscode.l10n.t('Discard');
const dontAskAgain = vscode.l10n.t('Don\'t Ask Again');
const result = await vscode.window.showWarningMessage(
vscode.l10n.t('Are you sure you want to cancel creating this pull request?'),
{ modal: true, detail: vscode.l10n.t('Your unsaved changes to this pull request will be lost.') },
discard,
dontAskAgain
);
if (result !== discard && result !== dontAskAgain) {
return this._replyMessage(message, { cancelled: false });
}
if (result === dontAskAgain) {
await vscode.workspace.getConfiguration(PR_SETTINGS_NAMESPACE).update(SHOW_CREATE_PULL_REQUEST_CANCEL_CONFIRMATION, false, vscode.ConfigurationTarget.Global);
}
}
// Reply before firing _onDone so the webview receives the message before
// the panel is disposed (disposing clears _webview, making _replyMessage a no-op).
this._replyMessage(message, { cancelled: true });
this._onDone.fire(undefined);
// Re-fetch the automerge info so that it's updated for next time.
await this.getMergeConfiguration(message.args.owner, message.args.repo, true);
}
private async openDescriptionSettings(): Promise<void> {
return vscode.commands.executeCommand('workbench.action.openSettings', 'githubPullRequests.pullRequestDescription');
}
protected override async _onDidReceiveMessage(message: IRequestMessage<any>) {
const result = await super._onDidReceiveMessage(message);
if (result !== this.MESSAGE_UNHANDLED) {
return;
}
switch (message.command) {
case 'pr.requestInitialize':
return this.initializeParamsPromise();
case 'pr.cancelCreate':
return this.cancel(message);
case 'pr.create':
return this.create(message);
case 'pr.changeLabels':
return this.addLabels();
case 'pr.changeReviewers':
return this.addReviewers();
case 'pr.changeAssignees':
return this.addAssignees();
case 'pr.changeMilestone':
return this.addMilestone();
case 'pr.changeProjects':
return this.addProjects();
case 'pr.removeLabel':
return this.removeLabel(message);
case 'pr.openDescriptionSettings':
return this.openDescriptionSettings();
default:
return this.MESSAGE_UNHANDLED;
}
}
override dispose() {
super.dispose();
this._postMessage({ command: 'reset' });
}
private _getHtmlForWebview() {
const nonce = generateUuid();
const uri = vscode.Uri.joinPath(this._extensionUri, 'dist', 'webview-create-pr-view-new.js');
return `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src vscode-resource: https:; script-src 'nonce-${nonce}'; style-src vscode-resource: 'unsafe-inline' http: https: data:;">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Create Pull Request</title>
</head>
<body>
<div id="app"></div>
<script nonce="${nonce}" src="${this._webview!.asWebviewUri(uri).toString()}"></script>
</body>
</html>`;
}
}
function serializeRemoteInfo(remote: { owner: string, repositoryName: string }) {
return { owner: remote.owner, repositoryName: remote.repositoryName };
}
export class CreatePullRequestViewProvider extends BaseCreatePullRequestViewProvider<CreatePullRequestDataModel> implements vscode.WebviewViewProvider {
public override readonly viewType = 'github:createPullRequestWebview';
constructor(
telemetry: ITelemetry,
model: CreatePullRequestDataModel,
extensionUri: vscode.Uri,
folderRepositoryManager: FolderRepositoryManager,
pullRequestDefaults: PullRequestDefaults,
) {
super(telemetry, model, extensionUri, folderRepositoryManager, pullRequestDefaults, model.compareBranch);
this._register(this.model.onDidChange(async (e) => {
let baseRemote: RemoteInfo | undefined;
let baseBranch: string | undefined;
if (e.baseOwner) {
const gitHubRemote = this._folderRepositoryManager.findRepo(repo => compareIgnoreCase(repo.remote.owner, e.baseOwner!) === 0 && compareIgnoreCase(repo.remote.repositoryName, this.model.repositoryName) === 0)?.remote;
baseRemote = gitHubRemote ? serializeRemoteInfo(gitHubRemote) : undefined;
baseBranch = this.model.baseBranch;
}
if (e.baseBranch) {
baseBranch = e.baseBranch;
}
let compareRemote: RemoteInfo | undefined;
let compareBranch: string | undefined;
if (e.compareOwner) {
const gitHubRemote = this._folderRepositoryManager.findRepo(repo => compareIgnoreCase(repo.remote.owner, e.compareOwner!) === 0 && compareIgnoreCase(repo.remote.repositoryName, this.model.repositoryName) === 0)?.remote;
compareRemote = gitHubRemote ? serializeRemoteInfo(gitHubRemote) : undefined;
compareBranch = this.model.compareBranch;
}
if (e.compareBranch) {
compareBranch = e.compareBranch;
}
const params: Partial<CreateParamsNew> = {
baseRemote,
baseBranch,
compareRemote,
compareBranch,
warning: await this.existingPRMessage(),
};
// TODO: consider updating title and description
return this._postMessage({
command: 'pr.initialize',
params,
});
}));
}
private async existingPRMessage(): Promise<string | undefined> {
const [existingPR, hasUpstream] = await Promise.all([PullRequestGitHelper.getMatchingPullRequestMetadataForBranch(this._folderRepositoryManager.repository, this.model.compareBranch), this.model.getCompareHasUpstream()]);
if (!existingPR || !hasUpstream) {
return undefined;
}
const [pr, compareBranch] = await Promise.all([this._folderRepositoryManager.resolvePullRequest(existingPR.owner, existingPR.repositoryName, existingPR.prNumber), this._folderRepositoryManager.repository.getBranch(this.model.compareBranch)]);
return (pr?.head?.sha === compareBranch.commit) ? vscode.l10n.t('A pull request already exists for this branch.') : undefined;
}
public async setDefaultCompareBranch(compareBranch: Branch | undefined) {
if (!compareBranch?.name) {
return;
}
this._defaultCompareBranch = compareBranch.name;
this.model.setCompareBranch(compareBranch.name);
this.changeBranch(compareBranch.name, false).then(async titleAndDescription => {
const params: Partial<CreateParamsNew> = {
defaultTitle: titleAndDescription.title,
defaultDescription: titleAndDescription.description,
compareBranch: compareBranch.name,
defaultCompareBranch: compareBranch.name,
warning: await this.existingPRMessage(),
};
return this._postMessage({
command: 'pr.initialize',
params,
});
});
}
public override show(compareBranch?: Branch): void {
if (compareBranch) {
this.setDefaultCompareBranch(compareBranch); // don't await, view will be updated when the branch is changed
}
super.show();
}
private async getTotalGitHubCommits(compareBranch: Branch, baseBranchName: string): Promise<{ commit: { message: string }; parents: { sha: string }[] }[] | undefined> {
const origin = await this._folderRepositoryManager.getOrigin(compareBranch);
if (compareBranch.upstream) {
const headRepo = this._folderRepositoryManager.findRepo(byRemoteName(compareBranch.upstream.remote));
if (headRepo) {
const headBranch = `${headRepo.remote.owner}:${compareBranch.name ?? ''}`;
const baseBranch = `${this._pullRequestDefaults.owner}:${baseBranchName}`;
const compareResult = await origin.compareCommits(baseBranch, headBranch);
return compareResult?.commits;
}
}
return undefined;
}
protected async getTitleAndDescription(compareBranch: Branch, baseBranch: string): Promise<{ title: string, description: string }> {
let title: string = '';
let description: string = '';
const descriptionSource = vscode.workspace.getConfiguration(PR_SETTINGS_NAMESPACE).get<'commit' | 'template' | 'branchName' | 'none' | 'Copilot'>(PULL_REQUEST_DESCRIPTION);
if (descriptionSource === 'none') {
return { title, description };
}
const name = compareBranch.name;
const branchNameTitle = (name: string) => {
const nameWithSpaces = name.replace(/[-_]/g, ' ');
return `${nameWithSpaces.charAt(0).toUpperCase()}${nameWithSpaces.slice(1)}`;
};
// If branchName is selected, use the branch name as the title
if (descriptionSource === 'branchName') {
if (name) {
title = branchNameTitle(name);
}
return { title, description };
}
// Use same default as GitHub, if there is only one commit, use the commit, otherwise use the branch name, as long as it is not the default branch.
// By default, the base branch we use for comparison is the base branch of origin. Compare this to the
// compare branch if it has a GitHub remote.
const origin = await this._folderRepositoryManager.getOrigin(compareBranch);
let useBranchName = this._pullRequestDefaults.base === compareBranch.name;
Logger.debug(`Compare branch name: ${compareBranch.name}, Base branch name: ${this._pullRequestDefaults.base}`, CreatePullRequestViewProvider.ID);
try {
const [totalCommits, lastCommit, pullRequestTemplate] = await Promise.all([
this.getTotalGitHubCommits(compareBranch, baseBranch),
name ? titleAndBodyFrom(promiseWithTimeout(this._folderRepositoryManager.getTipCommitMessage(name), 5000)) : undefined,
descriptionSource === 'template' ? this.getPullRequestTemplate() : undefined
]);
let totalNonMergeCommitsCount: number | undefined = totalCommits?.filter(commit => commit.parents.length < 2).length;
// If we couldn't determine the number of commits from GitHub (e.g. no upstream, or the compare API
// call failed), fall back to the local git log so that we can still match github.com's behavior of
// using the branch name when there is more than one commit.
if (totalNonMergeCommitsCount === undefined) {
try {
const localCommits = await this.model.gitCommits();
totalNonMergeCommitsCount = localCommits.filter(commit => commit.parents.length < 2).length;
} catch (e) {
Logger.debug(`Failed to retrieve local git commits as fallback for PR title for branch ${name}: ${e}`, CreatePullRequestViewProvider.ID);
}
}
Logger.debug(`Total commits: ${totalNonMergeCommitsCount}`, CreatePullRequestViewProvider.ID);
if (totalNonMergeCommitsCount === undefined) {
// We couldn't determine the number of commits at all. Use the last commit as the title and description.
useBranchName = false;
} else if (totalNonMergeCommitsCount > 1) {
const defaultBranch = await origin.getDefaultBranch();
useBranchName = defaultBranch !== compareBranch.name;
}
if (name && !lastCommit) {
Logger.appendLine('Timeout getting last commit message', CreatePullRequestViewProvider.ID);
/* __GDPR__
"pr.create.getCommitTimeout" : {}
*/
this.telemetry.sendTelemetryEvent('pr.create.getCommitTimeout');
}
// Set title
if (useBranchName && name) {
title = branchNameTitle(name);
} else if (name && lastCommit) {
title = lastCommit.title;
}
// Set description
// Match GitHub.com behavior: only use the commit body when there is a single commit.
if (pullRequestTemplate && lastCommit?.body && !useBranchName) {
description = `${lastCommit.body}\n\n${pullRequestTemplate}`;
} else if (pullRequestTemplate) {
description = pullRequestTemplate;
} else if (lastCommit?.body && !useBranchName && (this._pullRequestDefaults.base !== compareBranch.name)) {
description = lastCommit.body;
}
// If the description is empty, check to see if the title of the PR contains something that looks like an issue
if (!description) {
const issueExpMatch = title.match(ISSUE_EXPRESSION);
const match = parseIssueExpressionOutput(issueExpMatch);
if (match?.issueNumber && !match.name && !match.owner) {
description = `#${match.issueNumber}`;
const prefix = title.substr(0, title.indexOf(issueExpMatch![0]));
const keyWordMatch = prefix.match(ISSUE_CLOSING_KEYWORDS);
if (keyWordMatch) {
description = `${keyWordMatch[0]} ${description}`;
}
}
}
} catch (e) {
// Ignore and fall back to commit message
Logger.debug(`Error while getting total commits: ${e}`, CreatePullRequestViewProvider.ID);
}
return { title, description };
}
private async getPullRequestTemplate(): Promise<string | undefined> {
return this._folderRepositoryManager.getPullRequestTemplateBody(this.model.baseOwner);
}
private async changeTemplate(message: IRequestMessage<any>): Promise<void> {
const templates = await this._folderRepositoryManager.getAllPullRequestTemplates(this.model.baseOwner);
if (!templates || templates.length === 0) {
// No templates found - show helpful options
const learnMore = vscode.l10n.t('Learn More');
const createTemplate = vscode.l10n.t('Create Template');
const selected = await vscode.window.showQuickPick(
[
{
label: createTemplate,
description: vscode.l10n.t('Create a new pull request template')
},
{
label: learnMore,
description: vscode.l10n.t('Open GitHub documentation')
}
],
{
placeHolder: vscode.l10n.t('No pull request templates found'),
ignoreFocusOut: true
}
);
if (selected?.label === learnMore) {
vscode.env.openExternal(vscode.Uri.parse('https://docs.github.com/communities/using-templates-to-encourage-useful-issues-and-pull-requests/creating-a-pull-request-template-for-your-repository'));
} else if (selected?.label === createTemplate) {
await this.createPullRequestTemplate();
}
return this._replyMessage(message, undefined);
}
// Multiple templates exist - show quick pick
const selectedTemplate = await vscode.window.showQuickPick(
templates.map((template, index) => {
// Try to extract a meaningful name from the template (first line or first few chars)
const firstLine = template.split('\n')[0].trim();
const label = firstLine || vscode.l10n.t('Template {0}', index + 1);
return {
label: label.substring(0, 50) + (label.length > 50 ? '...' : ''),
description: vscode.l10n.t('{0} characters', template.length),
template: template
};
}),
{
placeHolder: vscode.l10n.t('Select a pull request template'),
ignoreFocusOut: true
}
);
if (selectedTemplate) {
const reply: ChangeTemplateReply = {
description: selectedTemplate.template
};
return this._replyMessage(message, reply);
}
return this._replyMessage(message, undefined);
}
private async createPullRequestTemplate(): Promise<void> {
// Show options for where to create the template
const templateLocations = [
{
label: '.github/pull_request_template.md',
description: vscode.l10n.t('Default location for a single template')
},
{
label: 'docs/pull_request_template.md',
description: vscode.l10n.t('Alternative location in docs folder')
},
{
label: '.github/PULL_REQUEST_TEMPLATE/template.md',
description: vscode.l10n.t('For multiple templates')
}
];
const selected = await vscode.window.showQuickPick(templateLocations, {
placeHolder: vscode.l10n.t('Choose where to create the pull request template'),
ignoreFocusOut: true
});
if (!selected) {
return;
}
// Get the repository root
const workspaceFolder = this._folderRepositoryManager.repository.rootUri;
const templatePath = vscode.Uri.joinPath(workspaceFolder, selected.label);
// Default template content
const templateContent = `## Sample Pull Request Template Description
This is a sample pull request template. You can customize it to fit your project's needs.
Don't forget to commit your template file to the repository so that it can be used for future pull requests!
`;
try {
// Ensure all parent directories exist by creating them step by step
const pathParts = selected.label.split('/');
let currentPath = workspaceFolder;
// Create each directory in the path (excluding the file name)
for (let i = 0; i < pathParts.length - 1; i++) {
currentPath = vscode.Uri.joinPath(currentPath, pathParts[i]);
try {
await vscode.workspace.fs.createDirectory(currentPath);
} catch (e) {
// Re-throw if it's not a FileSystemError about the directory already existing
if (e instanceof vscode.FileSystemError && e.code !== 'FileExists') {
throw e;
}
// Directory already exists, which is fine