Github release conditional

.github/workflows/publish.yml

@@ -7,7 +7,7 @@
 # To get a newer version, you will need to update the SHA.
 # You can also reference a tag or branch, but the action may change without warning.
 
-name: Publish Python distribution to PyPI
+name: Publish Python distribution to PyPI and Github
 
 on: push
 
@@ -51,3 +51,45 @@ jobs:
 
     - name: Publish package distributions to PyPI
       uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        skip-existing: true
+
+  github-release:
+    name: Sign the Python distribution with Sigstore and upload them to GitHub Release
+    needs:
+    - pypi-publish
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      id-token: write
+
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v3
+        with:
+          name: python-package-distributions
+          path: dist/
+      - name: Sign the dists with Sigstore
+        uses: sigstore/[email protected]
+        with:
+          inputs: >-
+            ./dist/*.tar.gz
+            ./dist/*.whl
+      - name: Create GitHub Release
+        if: github.ref_type == 'tag'
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        run: >-
+          gh release create
+          '${{ github.ref_name }}'
+          --repo '${{ github.repository }}'
+          --notes ""
+      - name: Upload artifact signatures to GitHub Release
+        if: github.ref_type == 'tag'
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        run: >-
+          gh release upload
+          '${{ github.ref_name }}' dist/**
+          --repo '${{ github.repository }}'