chore: improve github action test script (support debug)

.github/workflows/python-package.yml

@@ -28,7 +28,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip poetry
         python -m pip install flake8 pytest pytest-xdist pytest-cov pyright
-    - name: Install The Tested Package
+    - name: Install This Package
       run: |
         if [[ "${{ github.event.head_commit.message }}" == "version:"* ]]; then
           echo "This is a version bump commit. Installing the package from built wheel."
@@ -44,12 +44,19 @@ jobs:
       run: |
         if [[ "${{ github.event.head_commit.message }}" == "version:"* ]]; then
           echo "This is a version bump commit, run test without coverage."
-          pytest -n0 -s
+          COV_ARG=""
         else
           echo "This is not a version bump commit, run test with coverage."
-          export DEBUG=true
-          pytest -n0 -s --cov=src --cov-report=term --cov-report=xml
+          COV_ARG="--cov=src --cov-report=term --cov-report=xml"
         fi
+
+        export DEBUG=$RUNNER_DEBUG
+        if [ -n "$DEBUG" ]; then
+          DBG_ARG="-n0 -s"
+        else
+          DBG_ARG=""
+        fi
+        pytest $DBG_ARG $COV_ARG
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v4
       with: