Testing

.github/workflows/python-regen-diff.yml

@@ -61,6 +61,10 @@ jobs:
       - name: Regenerate tests
         run: npm run regenerate
 
+      - name: Install regen-diff tool
+        working-directory: eng/common/scripts/regen-diff
+        run: npm install --no-package-lock
+
       - name: Render HTML diff
         env:
           DIFF_TITLE: "Python emitter generated test diff (PR #${{ github.event.pull_request.number || 'manual' }})"
@@ -72,6 +76,6 @@ jobs:
       - name: Upload diff site
         uses: actions/upload-artifact@v7
         with:
-          name: python-regen-diff
+          name: regen-diff-site
           path: ${{ runner.temp }}/diff-site
           retention-days: 7

.github/workflows/python-regen-diff-cleanup.yml → .github/workflows/regen-diff-cleanup.yml

@@ -1,15 +1,19 @@
-name: Python Regen Diff Cleanup
+name: Regen Diff Cleanup
 
-# Removes a PR's published diff preview from GitHub Pages when the PR is closed.
-# Uses pull_request_target (closed) so it runs in the base-repo context with a
-# write token even for fork PRs. It does NOT check out or run any PR code — it
-# only deletes the pr/<num>/ folder from gh-pages and updates the sticky comment.
+# Shared, language-agnostic cleanup. Removes a PR's published diff previews from
+# GitHub Pages when the PR is closed. Uses pull_request_target (closed) so it
+# runs in the base-repo context with a write token even for fork PRs. It does
+# NOT check out or run any PR code — it only deletes the pr/<num>/ folder from
+# gh-pages and updates the sticky comment(s).
 
 on:
   pull_request_target:
     types: [closed]
     paths:
       - "packages/http-client-python/**"
+      - "packages/http-client-java/**"
+      - "packages/http-client-csharp/**"
+      - "packages/http-client-js/**"
 
 permissions:
   contents: write
@@ -41,10 +45,10 @@ jobs:
           git -C "$tmp" rm -r "pr/${PR}" >/dev/null
           git -C "$tmp" config user.name "github-actions[bot]"
           git -C "$tmp" config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git -C "$tmp" commit -m "Remove diff preview for closed PR #${PR}"
+          git -C "$tmp" commit -m "Remove diff previews for closed PR #${PR}"
           git -C "$tmp" push origin gh-pages
 
-      - name: Update PR comment
+      - name: Update PR comments
         uses: actions/github-script@v7
         env:
           PR: ${{ github.event.pull_request.number }}
@@ -53,16 +57,17 @@ jobs:
             const prNumber = Number(process.env.PR);
             const owner = context.repo.owner;
             const repo = context.repo.repo;
-            const marker = '<!-- python-regen-diff -->';
+            const markerPrefix = '<!-- regen-diff:';
             const comments = await github.paginate(github.rest.issues.listComments, {
               owner, repo, issue_number: prNumber, per_page: 100,
             });
-            const existing = comments.find((c) => c.body && c.body.includes(marker));
-            if (!existing) return;
-            const body = [
-              marker,
-              '### 🐍 Python emitter — generated test diff',
-              '',
-              '_The diff preview for this PR was removed because the PR is now closed._',
-            ].join('\n');
-            await github.rest.issues.updateComment({ owner, repo, comment_id: existing.id, body });
+            for (const c of comments) {
+              if (!c.body || !c.body.includes(markerPrefix)) continue;
+              const firstLine = c.body.split('\n', 1)[0];
+              const body = [
+                firstLine,
+                '',
+                '_The diff preview for this PR was removed because the PR is now closed._',
+              ].join('\n');
+              await github.rest.issues.updateComment({ owner, repo, comment_id: c.id, body });
+            }