ci: New action to publish releases

.changeset/tiny-cups-pump.md

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+---
+'@rocket.chat/release-action': major
+---
+
+New action to publish package releases

.github/workflows/new-release.yml

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+name: Start new release
+
+on:
+  workflow_dispatch:
+    inputs:
+      name:
+        type: choice
+        description: Release type
+        default: next
+        required: true
+        options:
+        - next
+        - patch
+      base-ref:
+        description: Base version
+        default: master
+        required: false
+
+jobs:
+  new-release:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+      # with:
+      #   ref: ${{ github.event.inputs.base-ref }}
+
+    - name: Setup Node.js 16
+      uses: actions/setup-node@v3
+      with:
+        node-version: 16
+
+    - run: yarn install
+
+    - name: Build
+      run: yarn build
+
+    - name: Start next release
+      if: ${{ github.event.inputs.name == 'next' }}
+      uses: ./packages/release-action
+      with:
+        action: bump
+      env:
+        NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Start patch release
+      if: ${{ github.event.inputs.name == 'patch' }}
+      uses: ./packages/release-action
+      with:
+        action: patch
+        base-ref: ${{ github.event.inputs.base-ref }}
+      env:
+        NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/publish-release.yml

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+name: Publish Release
+
+on:
+  push:
+    branches:
+      - master
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+
+      - name: Setup Node.js 16
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
+      - name: Install Dependencies
+        run: yarn
+
+      - name: Build
+        run: yarn build
+
+      - name: Cut release
+        uses: ./packages/release-action
+        with:
+          action: cut
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

packages/release-action/.eslintrc.json

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+{
+	"extends": ["@rocket.chat/eslint-config"],
+	"ignorePatterns": ["**/dist"]
+}

packages/release-action/.gitignore

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+dist/

packages/release-action/CHANGELOG.md

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+# @rocket.chat/release-action

packages/release-action/README.md

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+# release-action

packages/release-action/action.yml

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+name: Changeset release
+description: Action to cut and publish releases using changesets
+
+inputs:
+  action:
+    description: "The main action to perform: cut, bump, or both"
+    required: true
+  base-ref:
+    description: "Base ref to use for the release"
+    required: false
+
+runs:
+  using: "node16"
+  main: "dist/index.js"
+
+branding:
+  icon: "package"
+  color: "blue"

packages/release-action/package.json

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+{
+	"name": "@rocket.chat/release-action",
+	"version": "0.0.1",
+	"private": true,
+	"scripts": {
+		"build": "tsc",
+		"lint": "eslint src",
+		"lint:fix": "eslint --fix src"
+	},
+	"main": "dist/index.js",
+	"packageManager": "yarn@3.5.1",
+	"devDependencies": {
+		"@types/eslint": "^8",
+		"@types/node": "^16",
+		"typescript": "^5.1.3"
+	},
+	"dependencies": {
+		"@actions/core": "^1.10.0",
+		"@actions/exec": "^1.1.1",
+		"@actions/github": "^5.1.1",
+		"@octokit/plugin-throttling": "^6.0.0",
+		"@rocket.chat/eslint-config": "workspace:^",
+		"eslint": "^8.42.0",
+		"mdast-util-to-string": "2",
+		"remark-parse": "9",
+		"remark-stringify": "9",
+		"semver": "^7.5.1",
+		"unified": "9"
+	}
+}

packages/release-action/src/bumpNextVersion.ts

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+import fs from 'fs';
+import path from 'path';
+
+import { exec } from '@actions/exec';
+import * as core from '@actions/core';
+import * as github from '@actions/github';
+
+import { setupOctokit } from './setupOctokit';
+import { createNpmFile } from './createNpmFile';
+import { getChangelogEntry, updateVersionPackageJson } from './utils';
+import { fixWorkspaceVersionsBeforePublish } from './fixWorkspaceVersionsBeforePublish';
+
+export async function bumpNextVersion({
+	githubToken,
+	mainPackagePath,
+	cwd = process.cwd(),
+}: {
+	githubToken: string;
+	mainPackagePath: string;
+	cwd?: string;
+}) {
+	const octokit = setupOctokit(githubToken);
+
+	// TODO do this only if publishing to npm
+	await createNpmFile();
+
+	// TODO need to check if there is any change to 'main package', if not, there is no need to enter rc
+	// and instead a normal release of the other packages should be done
+
+	// start release candidate
+	await exec('yarn', ['changeset', 'pre', 'enter', 'rc']);
+
+	// bump version of all packages to rc
+	await exec('yarn', ['changeset', 'version']);
+
+	// get version from main package
+	const mainPackageJsonPath = path.join(mainPackagePath, 'package.json');
+	// eslint-disable-next-line import/no-dynamic-require, @typescript-eslint/no-var-requires
+	const { version: newVersion } = require(mainPackageJsonPath);
+
+	const mainPackageChangelog = path.join(mainPackagePath, 'CHANGELOG.md');
+
+	const changelogContents = fs.readFileSync(mainPackageChangelog, 'utf8');
+	const changelogEntry = getChangelogEntry(changelogContents, newVersion);
+	if (!changelogEntry) {
+		// we can find a changelog but not the entry for this version
+		// if this is true, something has probably gone wrong
+		throw new Error('Could not find changelog entry for version newVersion');
+	}
+
+	const prBody = changelogEntry.content;
+
+	const finalVersion = newVersion.split('-')[0];
+
+	const newBranch = `release-${finalVersion}`;
+
+	// update root package.json
+	updateVersionPackageJson(cwd, newVersion);
+
+	// TODO check if branch exists
+	await exec('git', ['checkout', '-b', newBranch]);
+
+	await exec('git', ['add', '.']);
+	await exec('git', ['commit', '-m', newVersion]);
+
+	await fixWorkspaceVersionsBeforePublish();
+
+	await exec('yarn', ['changeset', 'publish']);
+
+	await exec('git', ['push', '--force', '--follow-tags', 'origin', `HEAD:refs/heads/${newBranch}`]);
+
+	if (newVersion.includes('rc.0')) {
+		const finalPrTitle = `Release ${finalVersion}`;
+
+		core.info('creating pull request');
+		await octokit.rest.pulls.create({
+			base: 'master',
+			head: newBranch,
+			title: finalPrTitle,
+			body: prBody,
+			...github.context.repo,
+		});
+	}
+
+	await octokit.rest.repos.createRelease({
+		name: newVersion,
+		tag_name: newVersion,
+		body: prBody,
+		prerelease: newVersion.includes('-'),
+		...github.context.repo,
+	});
+}

packages/release-action/src/createNpmFile.ts

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+import fs from 'fs';
+import fsPromise from 'fs/promises';
+
+import * as core from '@actions/core';
+
+export async function createNpmFile() {
+	const userNpmrcPath = `${process.env.HOME}/.npmrc`;
+
+	if (fs.existsSync(userNpmrcPath)) {
+		core.info('Found existing user .npmrc file');
+		const userNpmrcContent = await fsPromise.readFile(userNpmrcPath, 'utf8');
+		const authLine = userNpmrcContent.split('\n').find((line) => {
+			// check based on https://github.com/npm/cli/blob/8f8f71e4dd5ee66b3b17888faad5a7bf6c657eed/test/lib/adduser.js#L103-L105
+			return /^\s*\/\/registry\.npmjs\.org\/:[_-]authToken=/i.test(line);
+		});
+		if (authLine) {
+			core.info('Found existing auth token for the npm registry in the user .npmrc file');
+		} else {
+			core.info("Didn't find existing auth token for the npm registry in the user .npmrc file, creating one");
+			fs.appendFileSync(userNpmrcPath, `\n//registry.npmjs.org/:_authToken=${process.env.NPM_TOKEN}\n`);
+		}
+	} else {
+		core.info('No user .npmrc file found, creating one');
+		fs.writeFileSync(userNpmrcPath, `//registry.npmjs.org/:_authToken=${process.env.NPM_TOKEN}\n`);
+	}
+}

packages/release-action/src/cutFinalRelease.ts

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+import fs from 'fs';
+import path from 'path';
+
+import { exec } from '@actions/exec';
+import * as github from '@actions/github';
+
+import { createNpmFile } from './createNpmFile';
+import { setupOctokit } from './setupOctokit';
+import { getChangelogEntry, updateVersionPackageJson } from './utils';
+import { fixWorkspaceVersionsBeforePublish } from './fixWorkspaceVersionsBeforePublish';
+
+export async function cutFinalRelease({
+	githubToken,
+	mainPackagePath,
+	cwd = process.cwd(),
+}: {
+	githubToken: string;
+	mainPackagePath: string;
+	cwd?: string;
+}) {
+	const octokit = setupOctokit(githubToken);
+
+	// TODO do this only if publishing to npm
+	await createNpmFile();
+
+	let preRelease = false;
+	try {
+		fs.accessSync(path.resolve(cwd, '.changeset', 'pre.json'));
+
+		preRelease = true;
+	} catch (e) {
+		// nothing to do, not a pre release
+	}
+
+	if (preRelease) {
+		// finish release candidate
+		await exec('yarn', ['changeset', 'pre', 'exit']);
+	}
+
+	// bump version of all packages to rc
+	await exec('yarn', ['changeset', 'version']);
+
+	// TODO if main package has no changes, throw error
+
+	// get version from main package
+	const mainPackageJsonPath = path.join(mainPackagePath, 'package.json');
+	// eslint-disable-next-line import/no-dynamic-require, @typescript-eslint/no-var-requires
+	const { version: newVersion } = require(mainPackageJsonPath);
+
+	const mainPackageChangelog = path.join(mainPackagePath, 'CHANGELOG.md');
+
+	const changelogContents = fs.readFileSync(mainPackageChangelog, 'utf8');
+	const changelogEntry = getChangelogEntry(changelogContents, newVersion);
+	if (!changelogEntry) {
+		// we can find a changelog but not the entry for this version
+		// if this is true, something has probably gone wrong
+		throw new Error('Could not find changelog entry for version newVersion');
+	}
+
+	const releaseBody = changelogEntry.content;
+
+	// update root package.json
+	updateVersionPackageJson(cwd, newVersion);
+
+	await exec('git', ['add', '.']);
+	await exec('git', ['commit', '-m', newVersion]);
+
+	await fixWorkspaceVersionsBeforePublish();
+
+	await exec('yarn', ['changeset', 'publish']);
+
+	await exec('git', ['push', '--follow-tags']);
+
+	await octokit.rest.repos.createRelease({
+		name: newVersion,
+		tag_name: newVersion,
+		body: releaseBody,
+		prerelease: newVersion.includes('-'),
+		...github.context.repo,
+	});
+}