build dist and auto-commit on main

Author: owickstrom

.github/workflows/ci.yml

@@ -18,19 +18,21 @@ jobs:
       - run: npm ci
       - run: npm run typecheck
       - run: npm run build
-      - name: Verify dist/ is up to date
-        run: |
-          if [ -n "$(git status --porcelain dist)" ]; then
-            echo "::error::dist/ is out of date. Run 'npm run build' and commit the result."
-            git diff -- dist
-            exit 1
-          fi
+      - uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist
 
   smoke-test-browser:
     name: Smoke test (browser driver, Wikipedia)
+    needs: build
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist
       - uses: ./
         with:
           origin: https://en.wikipedia.org
@@ -44,10 +46,45 @@ jobs:
 
   smoke-test-terminal:
     name: Smoke test (terminal driver, head)
+    needs: build
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist
       - uses: ./
         with:
           driver: terminal
           command: head -n 50
+
+  publish-dist:
+    name: Publish dist to main
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+    needs: [smoke-test-browser, smoke-test-terminal]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    concurrency:
+      group: publish-dist-${{ github.ref }}
+      cancel-in-progress: false
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.ref }}
+      - uses: actions/download-artifact@v4
+        with:
+          name: dist
+          path: dist
+      - name: Commit dist if changed
+        run: |
+          if [ -z "$(git status --porcelain dist)" ]; then
+            echo "dist already up to date."
+            exit 0
+          fi
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add dist
+          git commit -m "chore: rebuild dist [skip ci]"
+          git push