chore: add action post-release script

Author: heitorlessa

.github/workflows/playground.yml

@@ -0,0 +1,27 @@
+name: Kickoff action script
+
+on:
+  workflow_dispatch:
+    inputs:
+      release:
+        description: release version
+        default: 'v1.24.0'
+        required: true
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Set release notes tag
+      run: |
+        RELEASE_TAG_VERSION=${{ github.event.inputs.release }}
+        echo "RELEASE_TAG_VERSION=${RELEASE_TAG_VERSION:1}" >> $GITHUB_ENV
+    - name: Close staged release issues
+    - uses: actions/github-script@v5
+      with:
+        script: |
+          const post_release = require('.github/workflows/post_release.js')
+          await post_release({github, context, core})

.github/workflows/post_release.js

@@ -0,0 +1,114 @@
+const STAGED_LABEL = "status/staged-next-release";
+
+/**
+ * Fetch issues using GitHub REST API
+ *
+ * @param {string} Octokit - Pre-authenticated REST client
+ * @param {string} org - GitHub Organization
+ * @param {string} repository - GitHub repository
+ * @param {string} state - GitHub issue state (open, closed)
+ * @param {string} label - Comma-separated issue labels to fetch
+ * @return {Object[]} issues - Array of issues matching params
+ */
+const fetchIssues = async ({
+	gh_client,
+	org,
+	repository,
+	state = "open",
+	label = STAGED_LABEL,
+}) => {
+
+	try {
+		const { data: issues } = await gh_client.rest.issues.listForRepo({
+			owner: org,
+			repo: repository,
+			state: state,
+			labels: label,
+		});
+
+		return issues;
+
+	} catch (error) {
+		console.error(error);
+		throw new Error("Failed to fetch issues")
+	}
+	
+};
+
+/**
+ * Notify new release and close staged GitHub issue
+ *
+ * @param {string} Octokit - Pre-authenticated REST client
+ * @param {string} owner - GitHub Organization
+ * @param {string} repository - GitHub repository
+ * @param {string} release_version - GitHub Release version
+ */
+const notifyRelease = async ({
+	gh_client,
+	owner,
+	repository,
+	release_version,
+}) => {
+	const release_url = `https://github.com/${owner}/${repository}/releases/tag/v${release_version}`;
+
+	const issues = await fetchIssues({
+		gh_client: github,
+		org: context.repo.owner,
+		repository: context.repo.repo,
+	});
+
+	issues.forEach((issue) => {
+		console.info(`Updating issue number ${issue.number}`);
+
+		const comment = `This is now released under [${release_version}](${release_url}) version!`;
+		try {
+			await gh_client.rest.issues.createComment({
+				owner,
+				repository,
+				issue_number,
+				comment,
+			});
+		} catch (error) {
+			console.error(error);
+			throw new Error(`Failed to update issue ${issue.number} about ${release_version} release`)
+		}
+
+
+		// Close issue and remove staged label; keep existing ones
+		const labels = issue.labels
+			.filter((label) => label.name != STAGED_LABEL)
+			.map((label) => label.name);
+		
+		try {
+			await gh_client.rest.issues.update({
+				repo: repository,
+				owner: owner,
+				issue_number: issue.number,
+				state: "closed",
+				labels: labels,
+			});
+		} catch (error) {
+			console.error(error);
+			throw new Error("Failed to close issue")
+		}
+
+		console.info(`Issue number ${issue.number} closed and updated`);
+	});
+};
+
+// github: https://octokit.github.io/rest.js/v18#usage
+// context: https://github.com/actions/toolkit/blob/main/packages/github/src/context.ts
+// core: https://github.com/actions/toolkit/tree/main/packages/core
+module.exports = async ({ github, context, core }) => {
+	core.exportVariable("author", commit.data.commit.author.email);
+	const { RELEASE_TAG_VERSION } = process.env;
+	console.log(`Running post-release script for ${RELEASE_TAG_VERSION} version`);
+
+	await notifyRelease({
+		gh_client: github,
+		issues: issues,
+		owner: context.repo.owner,
+		repository: context.repo.repo,
+		release_version: RELEASE_TAG_VERSION,
+	});
+};