Create a workflow that syncs Gutenberg packages

.github/workflows/commit-built-file-changes.yml

@@ -5,6 +5,7 @@ on:
   workflow_run:
     workflows:
       - 'Check Built Files (PRs)'
+      - 'Sync Gutenberg Packages'
       - 'Test Default Themes & Create ZIPs'
     types:
       - completed

.github/workflows/sync-gutenberg-packages.yml

@@ -0,0 +1,102 @@
+name: Sync Gutenberg Packages
+
+on:
+  pull_request:
+    types:
+      - 'labeled'
+  workflow_dispatch:
+  # Gutenberg plugin releases happens every Tuesday.
+  # Running on Monday ensures only the previous week's release is detected.
+  schedule:
+    - cron: '0 0 * * 1'
+
+jobs:
+
+  update-packages:
+    name: Sync block editor-related package updates
+    runs-on: 'ubuntu-24.04'
+    if: |
+      (
+        github.repository != 'WordPress/wordpress-develop' &&
+        github.event_name == 'workflow_dispatch'
+      ) ||
+      github.repository == 'WordPress/wordpress-develop' &&
+      (
+        github.event.action != 'labeled' ||
+        'sync-gutenberg' == github.event.label.name
+      )
+    permissions:
+      contents: write
+      pull-requests: write
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          ref: ${{ github.event_name == 'workflow_dispatch' && github.event.ref || github.event_name == 'pull_request' && github.event.pull_request.base.sha || github.ref }}
+          show-progress: ${{ runner.debug == '1' && 'true' || 'false' }}
+          persist-credentials: true
+
+      - name: Set up Node.js
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
+        with:
+          node-version-file: '.nvmrc'
+          cache: npm
+
+      - name: Log debug information
+        run: |
+          npm --version
+          node --version
+          curl --version
+          git --version
+
+      - name: Install npm Dependencies
+        run: npm ci
+
+      - name: Sync packages
+        run: npm run sync-gutenberg-packages
+
+      - name: Run post-sync script
+        run: npm run postsync-gutenberg-packages
+
+      - name: Check for changes to versioned files
+        id: built-file-check
+        run: |
+          if git diff --quiet; then
+            echo "uncommitted_changes=false" >> "$GITHUB_OUTPUT"
+          else
+            echo "uncommitted_changes=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Display changes to versioned files
+        if: ${{ steps.built-file-check.outputs.uncommitted_changes == 'true' }}
+        run: git diff
+
+      - name: Save diff to a file
+        if: ${{ steps.built-file-check.outputs.uncommitted_changes == 'true' }}
+        run: git diff > ./changes.diff
+
+      # Uploads the diff file as an artifact.
+      - name: Upload diff file as artifact
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        if: ${{ steps.built-file-check.outputs.uncommitted_changes == 'true' }}
+        with:
+          name: pr-built-file-changes
+          path: changes.diff
+
+      - name: Remove the sync-gutenberg label
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        if: ${{ github.event.action == 'labeled' && 'sync-gutenberg' == github.event.label.name }}
+        with:
+          retries: 2
+          retry-exempt-status-codes: 418
+          script: |
+            github.rest.issues.removeLabel({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: process.env.ISSUE_NUMBER,
+              name: 'sync-gutenberg'
+            });
+        env:
+          ISSUE_NUMBER: ${{ github.event.number }}