coverage comment

.github/workflows/CI.yaml

@@ -120,6 +120,7 @@ jobs:
 
       - name: Run tests
         env:
+          # Make sure to add `passenv=COVERAGE_FILE` to tox.ini
           COVERAGE_FILE: ".coverage.${{ matrix.os }}.${{ matrix.python-version }}"
         run: >-
           uvx --with=tox-uv
@@ -159,17 +160,12 @@ jobs:
           pattern: coverage-*
           merge-multiple: true
 
-      - name: List files
-        run: ls -al
-
-      - name: Combine coverage
-        run: coverage combine coverage-*
-
       - name: Coverage comment
         id: coverage_comment
         uses: py-cov-action/python-coverage-comment-action@v3
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          MERGE_COVERAGE_FILES: true
 
       - name: Store Pull Request comment to be posted
         uses: actions/upload-artifact@v4

tox.ini

@@ -9,7 +9,9 @@ env_list =
     changelog,
 
 [testenv:.pkg]
-pass_env = SETUPTOOLS_SCM_PRETEND_VERSION
+pass_env =
+    SETUPTOOLS_SCM_PRETEND_VERSION
+    COVERAGE_FILE
 
 
 [testenv]