Attach docs metadata

.github/workflows/artifacts.yml

@@ -13,7 +13,7 @@ permissions:
 jobs:
   notify:
     runs-on: ubuntu-latest
-    if: ${{ github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.pull_requests.length > 0 }}
+    if: ${{ github.event.workflow_run.event == 'pull_request' }}
     steps:
       - uses: actions/github-script@v7
         with:
@@ -28,9 +28,20 @@ jobs:
               throw new Error('Expected one artifact')
             }
 
-            const pullNumber = context.payload.workflow_run.pull_requests[0].number;
-            const artifactId = artifacts.data.artifacts[0].id;
-            const artifactUrl = `${context.payload.workflow_run.html_url}/artifacts/${artifactId}`;
+            const artifact = artifacts.data.artifacts[0];
+            const download = await github.rest.actions.downloadArtifact({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              artifact_id: artifact.id,
+              archive_format: 'zip'
+            });
+
+            const zlib = require('zlib');
+            const zip = zlib.unzipSync(Buffer.from(download.data));
+            const ghInfo = JSON.parse(zip.toString());
+            const pullNumber = ghInfo.number;
+
+            const artifactUrl = `${context.payload.workflow_run.html_url}/artifacts/${artifact.id}`;
             const commentBody = `<!-- build-artifact-comment -->\n📦 Docs artifacts are ready: ${artifactUrl}`;
 
             const comments = await github.rest.issues.listComments({

.github/workflows/ci.yml

@@ -41,6 +41,10 @@ jobs:
       - name: Generate docs
         run: test/prerelease.sh
 
+      - name: Attach docs metadata
+        run: |
+          echo "{\"pr_number\":${{ github.event.number }},\"artifact_id\":${{ steps.docs-upload.outputs.artifact-id }}}" > test/tmp/contents/doc/gh.json
+
       - name: Upload docs
         uses: actions/upload-artifact@v4
         id: docs-upload