ci: list advisories that have been changed in pr body

Author: G-Rath

.github/workflows/generate.yml

@@ -32,12 +32,15 @@ jobs:
       - run: poetry run scripts/precache_nodes.py
       - run: rm -rf advisories/
       - run: poetry run scripts/generate_osv_advisories.py
+      - run: |
+          echo "🤖 beep boop - looks like there's some changes to the advisories!" > pr-body
+          echo "" >> pr-body
+          poetry run scripts/list_changed_advisories.py >> pr-body
       - uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v8.1.0
         with:
           token: ${{ secrets.GENERATOR_GH_TOKEN }}
           title: 'feat: update advisories'
-          body: >
-            🤖 beep boop - looks like there's some changes to the advisories!
+          body-path: pr-body
           branch: 'bot/update-advisories'
           author: |
             github-actions <41898282+github-actions[bot]@users.noreply.github.com>

scripts/list_changed_advisories.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+
+"""
+Lists links to the advisories that have been changed according to git
+"""
+
+import re
+import subprocess
+
+output = subprocess.check_output(['git', 'status', '--porcelain'], text=True)
+
+for line in output.split('\n'):
+  match = re.match(r'.. advisories/\w+/(DRUPAL-.*)', line)
+  if match:
+    sa = match[1].replace('DRUPAL-', 'SA-').removesuffix('.json')
+    print(f'- https://www.drupal.org/{sa}')