Frankly puzzled

.github/workflows/test-release-publish.yml

@@ -0,0 +1,57 @@
+name: Test, release and publish
+
+on: [push, pull_request]
+
+jobs:
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.7", "3.8", "3.9"]
+    steps:
+      - run: echo "Current ref ${{ github.ref }}"
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip tox-gh
+          python -m pip install -e .[test]
+          install_antlrjar
+      - name: Test with coverage/unittest
+        run: |
+          export ANTLR4_JAR="/home/runner/work/liblet/liblet/jars/antlr-4.9.3-complete.jar" && tox4
+      - name: Publish to Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+  release:
+    runs-on: ubuntu-latest
+    needs: test
+    if: startsWith(github.ref, 'refs/tags/')
+    steps:
+      - uses: actions/checkout@v2
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          body_path: CHANGELOG.txt
+
+  publish:
+    runs-on: ubuntu-latest
+    needs: test
+    if: startsWith(github.ref, 'refs/tags/')
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install pypa/build
+        run: python -m pip install build
+      - name: Build the binary wheel and source tarball
+        run: python -m build
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          password: ${{ secrets.PYPI_API_TOKEN }}