deployment: ensure that correct release is pulled for testing

Author: orbeckst

.github/workflows/deploy.yaml

@@ -71,6 +71,19 @@ jobs:
       - name: Build sdist
         run: pipx run build --sdist
 
+      - name: Check package
+        run: |
+          twine check dist/*.tar.gz
+
+      - name: Extract package version
+        id: extract-version
+        run: |
+          SDIST_FILE=$(ls dist/*.tar.gz)
+          # Extract version from sdist archive (format: mdaencore-1.0.1rc1.tar.gz)
+          VERSION=$(tar xf ${SDIST_FILE} -O '*/*.egg-info/PKG-INFO' | awk '/^Version:/ {print $2}')
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "Extracted version: $VERSION"
+
       - name: upload artifacts
         if: |
           (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')) ||
@@ -133,7 +146,7 @@ jobs:
     name: testpypi check
     runs-on: ${{ matrix.os }}
     timeout-minutes: 60
-    needs: upload_testpypi
+    needs: [upload_testpypi, build_sdist]
     strategy:
       fail-fast: false
       matrix:
@@ -146,9 +159,12 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: pip install
+      - name: Wait for version to be available on TestPyPI (30 seconds)
+        run: sleep 30
+
+      - name: pip install mdaencore==${{ needs.build_sdist.outputs.version }}
         run: |
-          pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple mdaencore
+          pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple "mdaencore==${{ needs.build_sdist.outputs.version }}
 
       - name: install test deps
         run: |