Fix DEB desktop integration in build workflow

Adds a post-processing step to ensure desktop entry and icon files are correctly placed in DEB packages built via alien, addressing issues where alien may miss proper desktop integration.

.github/workflows/build-linux.yml

@@ -199,6 +199,57 @@ jobs:
         # Build DEB (via alien from RPM)
         python setup_cxfreeze.py bdist_deb || echo "bdist_deb completed with warnings (alien)"
 
+        # Fix DEB desktop integration (alien sometimes misses this)
+        deb_file=$(ls dist/ytsage_*.deb 2>/dev/null | head -n1 || true)
+        if [ -n "$deb_file" ]; then
+          echo "Fixing DEB desktop integration for: $deb_file"
+          
+          # Create temporary directory for DEB extraction
+          temp_deb_dir=$(mktemp -d)
+          cd "$temp_deb_dir"
+          
+          # Extract the DEB package
+          ar x "$GITHUB_WORKSPACE/$deb_file"
+          
+          # Extract the data archive
+          mkdir -p data
+          cd data
+          tar xf ../data.tar.xz
+          
+          # Ensure desktop files are properly placed
+          if [ ! -d "usr/share/applications" ]; then
+            mkdir -p usr/share/applications
+          fi
+          if [ ! -d "usr/share/pixmaps" ]; then
+            mkdir -p usr/share/pixmaps
+          fi
+          
+          # Copy desktop entry if it exists in the package but not in the right place
+          if [ -f "usr/lib/ytsage-${version}/share/applications/ytsage.desktop" ] && [ ! -f "usr/share/applications/ytsage.desktop" ]; then
+            cp "usr/lib/ytsage-${version}/share/applications/ytsage.desktop" "usr/share/applications/"
+            echo "Copied desktop entry to proper location"
+          fi
+          
+          # Copy icon if it exists in the package but not in the right place
+          if [ -f "usr/lib/ytsage-${version}/share/pixmaps/ytsage.png" ] && [ ! -f "usr/share/pixmaps/ytsage.png" ]; then
+            cp "usr/lib/ytsage-${version}/share/pixmaps/ytsage.png" "usr/share/pixmaps/"
+            echo "Copied icon to proper location"
+          fi
+          
+          # Repackage the data archive
+          tar cJf ../data.tar.xz ./*
+          cd ..
+          
+          # Create the fixed DEB package
+          ar r "${GITHUB_WORKSPACE}/${deb_file}" debian-binary control.tar.xz data.tar.xz
+          
+          # Clean up
+          cd "$GITHUB_WORKSPACE"
+          rm -rf "$temp_deb_dir"
+          
+          echo "DEB package desktop integration fixed"
+        fi
+
         echo "Post-build directory listing:"
         echo "-- dist --"; ls -lah dist || true
         echo "-- build --"; ls -lah build || true