Check number of expected dists

Author: hugovk

.github/workflows/wheels.yml

@@ -39,6 +39,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
+  EXPECTED_DISTS: 98
   FORCE_COLOR: 1
 
 jobs:
@@ -287,3 +288,20 @@ jobs:
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           attestations: true
+
+  count-dists:
+    needs: [build-native-wheels, windows, sdist]
+    runs-on: ubuntu-latest
+    name: Count dists
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: dist-*
+          path: dist
+          merge-multiple: true
+      - name: "What did we get?"
+        run: |
+          ls -alR
+          echo "Number of dists, should be $EXPECTED_DISTS:"
+          ls -1 dist | wc -l
+          files=$(ls dist 2>/dev/null | wc -l) && [ "$files" -eq $EXPECTED_DISTS ] || exit 1