Dependabot Beachbot Pipeline (#82)

* Get script for beachball changelogs setup

* Remove minor, and only do major vs. patch for dependabot updates

Author: rlandav

.github/scripts/dependabot-beachball.mjs

@@ -0,0 +1,89 @@
+#!/usr/bin/env node
+
+import { execSync } from 'node:child_process';
+
+function checkIfBeachballChangeNeeded() {
+    console.log('Checking if beachball change files are needed...');
+
+    try {
+        execSync('npx beachball check --verbose', { encoding: 'utf8', stdio: 'pipe' });
+        console.log('✅ Beachball check passed - no change files needed');
+        return false;
+    } catch (error) {
+        console.log('❌ Beachball check failed - change files needed');
+        return true;
+    }
+}
+
+function determineChangeType(commitMessage) {
+    console.log(`Analyzing commit message: "${commitMessage}"`);
+
+    // Search for keywords to determine change type. This is best effort and intended to be reviewed at PR time.
+    if (/breaking|major/i.test(commitMessage)) {
+        return 'major';
+    } else {
+        return 'patch';
+    }
+}
+
+function getLatestCommitMessage() {
+    const commitMessage = execSync('git log -1 --pretty=format:"%s"', { encoding: 'utf8' }).trim();
+    return commitMessage.replace(/^"|"$/g, ''); // Remove surrounding quotes if present
+}
+
+function createBeachballChangeFile(commitMessage, changeType) {
+    console.log(`Creating beachball change file with type: ${changeType}`);
+
+    try {
+        // Create change file using beachball CLI
+        execSync('git config --local user.email "[email protected]"');
+        execSync('git config --local user.name "mc-npm"');
+
+        execSync(`npx beachball change --type "${changeType}" --message "${commitMessage}"`, {
+            encoding: 'utf8',
+            stdio: 'inherit',
+        });
+
+        console.log('✅ Successfully created and committed beachball change files');
+        return true;
+    } catch (error) {
+        console.error('❌ Failed to create beachball change file:', error.message);
+        return false;
+    }
+}
+
+try {
+    const isDryRun = process.argv.includes('-n');
+    console.log('🤖 Starting dependabot beachball change file automation...');
+
+    // Step 1: Check if beachball change files are needed
+    const needsChange = checkIfBeachballChangeNeeded();
+
+    if (!needsChange) {
+        process.exit(0);
+    }
+
+    // Step 2: Get commit message and determine change type
+    const commitMessage = getLatestCommitMessage();
+    const changeType = determineChangeType(commitMessage);
+
+    console.log(`📝 Commit message: "${commitMessage}"`);
+    console.log(`📊 Determined change type: ${changeType}`);
+
+    // Step 3: Create beachball change file
+    const changeFileCreated = createBeachballChangeFile(commitMessage, changeType, isDryRun);
+
+    if (!changeFileCreated) {
+        console.error('❌ Failed to create change file');
+        process.exit(1);
+    }
+
+    console.log('🎉 Successfully automated beachball change file creation! Pushing changes.');
+    if (!isDryRun) {
+        execSync('git push');
+    }
+} catch (error) {
+    console.error('❌ Error in dependabot beachball automation:', error.message);
+    console.error(error.stack);
+    process.exit(1);
+}

.github/workflows/dependabot-beachball.yml

@@ -0,0 +1,24 @@
+name: Dependabot Beachball Change Files
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  dependabot-beachball:
+    runs-on: ubuntu-latest
+    if: github.event.sender.login == 'dependabot[bot]'
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js 22.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - run: npm ci
+
+      - name: Run dependabot beachball automation
+        run: node .github/scripts/dependabot-beachball.mjs