Publish releases to TestPyPI

.github/workflows/publish-to-test-pypi.yml

@@ -13,7 +13,6 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: "3.x"
-
     - name: Install pypa/build
       run: >-
         python3 -m
@@ -27,3 +26,28 @@ jobs:
       with:
         name: python-package-distributions
         path: dist/
+
+  publish-to-testpypi:
+    name: Publish Python 🐍 distribution 📦 to TestPyPI
+    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
+    needs:
+    - build
+    runs-on: ubuntu-latest
+
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/tutor-contrib-mailpit
+
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+
+    steps:
+    - name: Download all the dists
+      uses: actions/download-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Publish distribution 📦 to TestPyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        repository-url: https://test.pypi.org/legacy/