Don't need to mv the file before git diff

.github/workflows/check-dist.yml

@@ -32,14 +32,16 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
-      - name: Move the committed index.js file
-        run: mv dist/ /tmp/
-
-      - name: Rebuild the index.js file
+      - name: Rebuild the dist/ directory
         run: npm run build
 
-      - name: Compare the expected and actual index.js files
-        run: git diff --ignore-all-space dist/ /tmp/dist
+      - name: Compare the expected and actual dist/ directories
+        run: |
+          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build.  See status below:"
+            git diff
+            exit 1
+          fi
         id: diff
 
       # If index.js was different than expected, upload the expected version as an artifact