From 7a765e9fab53c99503a4450988ff3b007f78c7a2 Mon Sep 17 00:00:00 2001
From: Nikolay Vitkov <34244704+Lightning00Blade@users.noreply.github.com>
Date: Thu, 1 Jun 2023 10:13:42 +0200
Subject: [PATCH] ci: automate PR for Chrome roll (#10287)

---
 .github/workflows/update-browser-pins.yml |  46 ++++++++++
 tools/update_chrome_revision.mjs          | 103 ++++++++++++++++++++++
 2 files changed, 149 insertions(+)
 create mode 100644 .github/workflows/update-browser-pins.yml
 create mode 100644 tools/update_chrome_revision.mjs

diff --git a/.github/workflows/update-browser-pins.yml b/.github/workflows/update-browser-pins.yml
new file mode 100644
index 00000000000..b6148111d8a
--- /dev/null
+++ b/.github/workflows/update-browser-pins.yml
@@ -0,0 +1,46 @@
+# This workflow will update the pinned browsers
+
+name: 'Update the pinned browsers'
+
+on:
+  schedule:
+    # Run everyday at: https://crontab.guru/#0_6_*_*_*.
+    - cron: '0 6 * * *'
+  workflow_dispatch:
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3.3.0
+      - name: Set up Node.js
+        uses: actions/setup-node@v3.5.1
+        with:
+          cache: npm
+          node-version: lts/*
+      - uses: google/wireit@setup-github-actions-caching/v1
+      - name: Install npm dependencies
+        run: npm ci
+      - name: Build Puppeteer
+        run: npm run build -w puppeteer
+      - name: Update Chrome to latest stable version
+        id: update
+        run: |
+          node --experimental-fetch tools/update_chrome_revision.mjs
+      - name: Format files if needed
+        run: npm run format
+      - name: Update package-lock.json
+        run: npm install --ignore-scripts
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.BROWSER_AUTOMATION_BOT_TOKEN }}
+          branch: browser-automation-bot/update-browser-version
+          delete-branch: true
+          committer: Browser Automation Bot <browser-automation-bot@google.com>
+          author: Browser Automation Bot <browser-automation-bot@google.com>
+          commit-message: 'feat(chrome): roll to Chrome ${{ steps.update.outputs.version }} (r${{ steps.update.outputs.revision }} )'
+          title: 'feat(chrome): roll to Chrome ${{ steps.update.outputs.version }} (r${{ steps.update.outputs.revision }} )'
+          body: 'Automatically generated by https://github.com/puppeteer/puppeteer/blob/main/.github/workflows/update-browser-pins.yml'
+          labels: dependencies
diff --git a/tools/update_chrome_revision.mjs b/tools/update_chrome_revision.mjs
new file mode 100644
index 00000000000..2e48b55da3e
--- /dev/null
+++ b/tools/update_chrome_revision.mjs
@@ -0,0 +1,103 @@
+/**
+ * Copyright 2023 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
+ *
+ *     https://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.
+ */
+
+import {execSync} from 'child_process';
+import {writeFile, readFile} from 'fs/promises';
+
+import actions from '@actions/core';
+import {PUPPETEER_REVISIONS} from 'puppeteer-core/internal/revisions.js';
+
+import packageJson from '../packages/puppeteer-core/package.json' assert {type: 'json'};
+import {versionsPerRelease, lastMaintainedChromeVersion} from '../versions.js';
+
+const CHROME_CURRENT_VERSION = PUPPETEER_REVISIONS.chrome;
+const VERSIONS_PER_RELEASE_COMMENT =
+  '// In Chrome roll patches, use `NEXT` for the Puppeteer version.';
+
+async function replaceInFile(filePath, search, replace) {
+  const buffer = await readFile(filePath);
+  const update = buffer.toString().replace(search, replace);
+
+  await writeFile(filePath, update);
+}
+
+async function getVersionAndRevisionForStable() {
+  const result = await fetch(
+    'https://googlechromelabs.github.io/chrome-for-testing/last-known-good-versions.json'
+  ).then(response => {
+    return response.json();
+  });
+
+  const {version, revision} = result.channels['Stable'];
+
+  return {
+    version,
+    revision,
+  };
+}
+
+async function updateDevToolsProtocolVersion(revision) {
+  const currentProtocol = packageJson.dependencies['devtools-protocol'];
+  const command = `npm view "devtools-protocol@<=0.0.${revision}" version | tail -1`;
+
+  const bestNewProtocol = execSync(command, {
+    encoding: 'utf8',
+  })
+    .split(' ')[1]
+    .replace(/'|\n/g, '');
+
+  await replaceInFile(
+    './packages/puppeteer-core/package.json',
+    `"devtools-protocol": "${currentProtocol}"`,
+    `"devtools-protocol": "${bestNewProtocol}"`
+  );
+}
+
+async function updateVersionFileLastMaintained(updateVersion) {
+  const versions = [...versionsPerRelease.keys()];
+  if (version.indexOf(updateVersion) !== -1) {
+    return;
+  }
+
+  await replaceInFile(
+    './versions.js',
+    VERSIONS_PER_RELEASE_COMMENT,
+    `${VERSIONS_PER_RELEASE_COMMENT}\n  ['${version}', 'NEXT'],`
+  );
+
+  const lastMaintainedIndex = versions.indexOf(lastMaintainedChromeVersion);
+  const nextMaintainedVersion = versions[lastMaintainedIndex - 1];
+
+  await replaceInFile(
+    './versions.js',
+    `const lastMaintainedChromeVersion = '${lastMaintainedChromeVersion}';`,
+    `const lastMaintainedChromeVersion = '${nextMaintainedVersion}';`
+  );
+}
+
+const {version, revision} = await getVersionAndRevisionForStable();
+
+await replaceInFile(
+  './packages/puppeteer-core/src/revisions.ts',
+  CHROME_CURRENT_VERSION,
+  version
+);
+
+await updateVersionFileLastMaintained(version);
+await updateDevToolsProtocolVersion(revision);
+
+actions.setOutput('version', version);
+actions.setOutput('revision', revision);