ci: test commenting

Author: nicklasl

.github/workflows/dockerfile-deps.yml

@@ -42,18 +42,17 @@ jobs:
           echo "::error::Dockerfile dependencies validation failed. See job summary for details."
           exit 1
 
-      # TODO: Optionally add PR comment when validation fails
-      # - name: Comment on PR with changes (if validation failed)
-      #   if: failure() && github.event_name == 'pull_request'
-      #   uses: actions/github-script@v7
-      #   with:
-      #     script: |
-      #       const fs = require('fs');
-      #       const report = fs.readFileSync('report.md', 'utf8');
-      #
-      #       await github.rest.issues.createComment({
-      #         owner: context.repo.owner,
-      #         repo: context.repo.repo,
-      #         issue_number: context.issue.number,
-      #         body: `## Dockerfile Dependencies Changed\n\n${report}\n\n---\n*This check ensures Dockerfile dependencies are tracked and validated against the source of truth.*`
-      #       });
+      - name: Comment on PR with changes (if validation failed)
+        if: steps.validate.outputs.exit_code != '0' && github.event_name == 'pull_request'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const fs = require('fs');
+            const report = fs.readFileSync('report.md', 'utf8');
+
+            await github.rest.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              body: `## Dockerfile Dependencies Changed\n\n${report}\n\n---\n*This check ensures Dockerfile dependencies are tracked and validated against the source of truth.*`
+            });