124 lines
5.2 KiB
TypeScript
124 lines
5.2 KiB
TypeScript
/// <reference lib="esnext.asynciterable" />
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// Must reference esnext.asynciterable lib, since octokit uses AsyncIterable internally
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/// <reference types="node" />
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import { Octokit } from "@octokit/rest";
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const {runSequence} = require("./run-sequence");
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import fs = require("fs");
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import path = require("path");
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const userName = process.env.GH_USERNAME;
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const reviewers = process.env.REQUESTING_USER ? [process.env.REQUESTING_USER] : ["weswigham", "RyanCavanaugh"];
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const branchName = `pick/${process.env.SOURCE_ISSUE}/${process.env.TARGET_BRANCH}`;
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const remoteUrl = `https://${process.argv[2]}@github.com/${userName}/TypeScript.git`;
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const produceLKG = !!process.env.PRODUCE_LKG;
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async function main() {
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if (!process.env.TARGET_BRANCH) {
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throw new Error("Target branch not specified");
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}
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if (!process.env.SOURCE_ISSUE) {
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throw new Error("Source issue not specified");
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}
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const currentSha = runSequence([
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["git", ["rev-parse", "HEAD"]]
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]);
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const currentAuthor = runSequence([
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["git", ["log", "-1", `--pretty="%aN <%aE>"`]]
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]);
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const gh = new Octokit({
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auth: process.argv[2]
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});
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const inputPR = (await gh.pulls.get({ pull_number: +process.env.SOURCE_ISSUE, owner: "microsoft", repo: "TypeScript" })).data;
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let remoteName = "origin";
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if (inputPR.base.repo.git_url !== `git:github.com/microsoft/TypeScript` && inputPR.base.repo.git_url !== `git://github.com/microsoft/TypeScript`) {
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runSequence([
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["git", ["remote", "add", "nonlocal", inputPR.base.repo.git_url.replace(/^git:(?:\/\/)?/, "https://")]]
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]);
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remoteName = "nonlocal";
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}
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const baseBranchName = inputPR.base.ref;
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runSequence([
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["git", ["fetch", remoteName, baseBranchName]]
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]);
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let logText = runSequence([
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["git", ["log", `${remoteName}/${baseBranchName}..${currentSha.trim()}`, `--pretty="%h %s%n%b"`, "--reverse"]]
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]);
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logText = `Cherry-pick PR #${process.env.SOURCE_ISSUE} into ${process.env.TARGET_BRANCH}
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Component commits:
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${logText.trim()}`;
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const logpath = path.join(__dirname, "../", "logmessage.txt");
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const mergebase = runSequence([["git", ["merge-base", `${remoteName}/${baseBranchName}`, currentSha]]]).trim();
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runSequence([
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["git", ["checkout", "-b", "temp-branch"]],
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["git", ["reset", mergebase, "--soft"]]
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]);
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fs.writeFileSync(logpath, logText);
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runSequence([
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["git", ["commit", "-F", logpath, `--author="${currentAuthor.trim()}"`]]
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]);
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fs.unlinkSync(logpath);
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const squashSha = runSequence([
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["git", ["rev-parse", "HEAD"]]
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]);
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runSequence([
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["git", ["checkout", process.env.TARGET_BRANCH]], // checkout the target branch
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["git", ["checkout", "-b", branchName]], // create a new branch
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["git", ["cherry-pick", squashSha.trim()]],
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]);
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if (produceLKG) {
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runSequence([
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["gulp", ["LKG"]],
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["git", ["add", "lib"]],
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["git", ["commit", "-m", `"Update LKG"`]]
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]);
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}
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runSequence([
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["git", ["remote", "add", "fork", remoteUrl]], // Add the remote fork
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["git", ["push", "--set-upstream", "fork", branchName, "-f"]] // push the branch
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]);
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const r = await gh.pulls.create({
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owner: "Microsoft",
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repo: "TypeScript",
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maintainer_can_modify: true,
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title: `🤖 Pick PR #${process.env.SOURCE_ISSUE} (${inputPR.title.substring(0, 35)}${inputPR.title.length > 35 ? "..." : ""}) into ${process.env.TARGET_BRANCH}`,
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head: `${userName}:${branchName}`,
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base: process.env.TARGET_BRANCH,
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body:
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`This cherry-pick was triggered by a request on https://github.com/Microsoft/TypeScript/pull/${process.env.SOURCE_ISSUE}
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Please review the diff and merge if no changes are unexpected.${produceLKG ? ` An LKG update commit is included separately from the base change.` : ""}
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You can view the cherry-pick log [here](https://typescript.visualstudio.com/TypeScript/_build/index?buildId=${process.env.BUILD_BUILDID}&_a=summary).
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cc ${reviewers.map(r => "@" + r).join(" ")}`,
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});
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const num = r.data.number;
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console.log(`Pull request ${num} created.`);
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await gh.issues.createComment({
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issue_number: +process.env.SOURCE_ISSUE,
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owner: "Microsoft",
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repo: "TypeScript",
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body: `Hey @${process.env.REQUESTING_USER}, I've opened #${num} for you.`
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});
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}
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main().catch(async e => {
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console.error(e);
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process.exitCode = 1;
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if (process.env.SOURCE_ISSUE) {
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const gh = new Octokit({
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auth: process.argv[2]
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});
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await gh.issues.createComment({
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issue_number: +process.env.SOURCE_ISSUE,
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owner: "Microsoft",
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repo: "TypeScript",
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body: `Hey @${process.env.REQUESTING_USER}, I couldn't open a PR with the cherry-pick. ([You can check the log here](https://typescript.visualstudio.com/TypeScript/_build/index?buildId=${process.env.BUILD_BUILDID}&_a=summary)). You may need to squash and pick this PR into ${process.env.TARGET_BRANCH} manually.`
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});
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}
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});
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