workflow updated

Author: xavier-hernandez

.github/workflows/publish-singlefile.yml

@@ -61,6 +61,7 @@ jobs:
 
       - name: Create GitHub Release
         id: create_release
+        if: startsWith(github.ref, 'refs/tags/')           # ← only on tags
         uses: actions/create-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -71,13 +72,13 @@ jobs:
           draft:        false
           prerelease:   false
 
-      # 2) Upload that single ZIP file
-      - name: Upload Release Asset (${{ matrix.rid }})
+      - name: Upload Release Asset
+        if: startsWith(github.ref, 'refs/tags/')
         uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           upload_url:        ${{ steps.create_release.outputs.upload_url }}
-          asset_path:        artifacts/${{ matrix.rid }}.zip
+          asset_path:        'artifacts/${{ matrix.rid }}.zip'
           asset_name:        ${{ matrix.rid }}-build.zip
           asset_content_type: application/zip