automate creating github release for a new version tag

Author: d-biehl

.github/workflows/build.yml

@@ -153,8 +153,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: publish
     needs: package
-    #if: success() && startsWith( github.ref, 'refs/tags/v')
-    if: success()
+    if: success() && startsWith( github.ref, 'refs/tags/v')
     steps:
       - uses: actions/checkout@v2
         with:
@@ -198,4 +197,37 @@ jobs:
         run: poetry run npm-publish
         env:
           VSCE_PAT: ${{ secrets.VSCE_PAT }}
+          OVSX_PAT: ${{ secrets.OVSX_PAT }}
+          PYPI_USERNAME: ${{ secrets.PYPI_USERNAME }}
+          PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
 
+      - name: get release notes
+        id: get_release_notes
+        run: echo "::set-output name=release_notes::$(poetry run extract-release-notes)"
+
+      - name: find vsix
+        id: find_vsix
+        run: echo "::set-output name=vsix::$(find dist -iname '*.vsix')"
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          body: ${{ steps.get_release_notes.outputs.release_notes }}
+          draft: true
+          prerelease: true
+
+      - name: Upload Release Asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps
+          asset_path: ${{ steps.create_release.outputs.vsix }}
+          asset_name: robotcode.vsix
+          asset_content_type: application/vsix