Add Generate Release Notes step to release.yml

Author: a.shafie

.github/workflows/release.yml

@@ -87,6 +87,33 @@ jobs:
         if: startsWith(github.ref, 'refs/tags/')
         run: dotnet nuget push ./artifacts/*.nupkg --api-key ${{ secrets.GITHUB_TOKEN }} --source https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json --skip-duplicate
 
+      - name: Generate Release Notes
+        if: startsWith(github.ref, 'refs/tags/')
+        run: |
+          VERSION=${GITHUB_REF#refs/tags/v}
+          echo "# Release v$VERSION" > release-notes.md
+          echo "" >> release-notes.md
+          
+          # Try to extract section from Changelog.md if it exists
+          if [ -f Changelog.md ]; then
+            awk -v ver="$VERSION" '
+            BEGIN { inSection = 0; }
+            $0 ~ "^##v." ver { inSection = 1; next; }
+            inSection && $0 ~ "^##" { inSection = 0; }
+            inSection { print; }
+            ' Changelog.md >> release-notes.md
+          fi
+          
+          # If no content was extracted, add a default message
+          if [ ! -s release-notes.md ] || [ $(wc -l < release-notes.md) -le 2 ]; then
+            echo "# Release v$VERSION" > release-notes.md
+            echo "" >> release-notes.md
+            echo "See [Changelog.md](https://github.com/${{ github.repository }}/blob/main/Changelog.md) for details." >> release-notes.md
+          fi
+          
+          echo "Generated release notes:"
+          cat release-notes.md
+
       - name: Create GitHub Release
         if: startsWith(github.ref, 'refs/tags/')
         uses: softprops/action-gh-release@v2