feat(desktop): enable Linux builds in CI release workflow

.github/workflows/release-desktop.yml

@@ -15,7 +15,7 @@ permissions:
   contents: write
 
 jobs:
-  build:
+  build-mac:
     name: Build - macOS (${{ matrix.arch }})
     runs-on: macos-latest
 
@@ -95,10 +95,81 @@ jobs:
           retention-days: 30
           if-no-files-found: error
 
+  build-linux:
+    name: Build - Linux (${{ matrix.arch }})
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [x64, arm64]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: '1.3.2'
+
+      - name: Cache dependencies
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.bun/install/cache
+          key: ${{ runner.os }}-bun-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-bun-
+
+      - name: Install dependencies
+        run: bun install --frozen
+
+      # Run prebuild and compile steps before electron-builder
+      - name: Clean dev folder
+        working-directory: apps/desktop
+        run: bun run clean:dev
+
+      - name: Compile app with electron-vite
+        working-directory: apps/desktop
+        run: bun run compile:app
+
+      # Build the Electron app for Linux
+      # Uses --publish never to prevent electron-builder from creating its own release
+      # The release job handles GitHub release creation
+      - name: Build Electron app
+        working-directory: apps/desktop
+        run: bun run package -- --linux --${{ matrix.arch }} --publish never
+
+      # Upload artifacts
+      - name: Upload AppImage artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: desktop-linux-${{ matrix.arch }}-appimage
+          path: apps/desktop/release/*.AppImage
+          retention-days: 30
+          if-no-files-found: error
+
+      - name: Upload deb artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: desktop-linux-${{ matrix.arch }}-deb
+          path: apps/desktop/release/*.deb
+          retention-days: 30
+          if-no-files-found: error
+
+      - name: Upload auto-update manifest
+        uses: actions/upload-artifact@v4
+        with:
+          name: desktop-linux-${{ matrix.arch }}-update-manifest
+          path: apps/desktop/release/latest-linux*.yml
+          retention-days: 30
+          if-no-files-found: warn
+
   # Create GitHub Release after builds complete
   release:
     name: Create GitHub Release
-    needs: build
+    needs: [build-mac, build-linux]
     runs-on: ubuntu-latest
     if: startsWith(github.ref, 'refs/tags/desktop-v')
 
@@ -116,6 +187,8 @@ jobs:
         run: |
           cd release-artifacts
           # Create stable-named copies (without version) for /releases/latest/download/ URLs
+
+          # macOS DMG files
           for file in *.dmg; do
             if [[ -f "$file" ]]; then
               # Extract architecture from filename (e.g., Superset-0.0.1-arm64.dmg -> arm64)
@@ -124,6 +197,8 @@ jobs:
               echo "Created stable copy: Superset-${arch}.dmg"
             fi
           done
+
+          # macOS ZIP files
           for file in *-mac.zip; do
             if [[ -f "$file" ]]; then
               # Extract architecture from filename (e.g., Superset-0.0.1-arm64-mac.zip -> arm64)
@@ -132,6 +207,27 @@ jobs:
               echo "Created stable copy: Superset-${arch}-mac.zip"
             fi
           done
+
+          # Linux AppImage files
+          for file in *.AppImage; do
+            if [[ -f "$file" ]]; then
+              # Extract architecture from filename (e.g., superset-0.0.1-x64.AppImage -> x64)
+              arch=$(echo "$file" | sed -E 's/.*-([^-]+)\.AppImage$/\1/')
+              cp "$file" "superset-${arch}.AppImage"
+              echo "Created stable copy: superset-${arch}.AppImage"
+            fi
+          done
+
+          # Linux deb files
+          for file in *.deb; do
+            if [[ -f "$file" ]]; then
+              # Extract architecture from filename (e.g., superset-0.0.1-amd64.deb -> amd64)
+              arch=$(echo "$file" | sed -E 's/.*-([^-]+)\.deb$/\1/')
+              cp "$file" "superset-${arch}.deb"
+              echo "Created stable copy: superset-${arch}.deb"
+            fi
+          done
+
           echo "Release artifacts:"
           ls -la
 

apps/desktop/create-release.sh

@@ -319,8 +319,14 @@ else
         echo -e "${BLUE}Release URL:${NC} ${RELEASE_URL}"
         echo -e "${BLUE}Latest URL:${NC}  ${LATEST_URL}"
         echo ""
-        echo -e "${BLUE}Direct download:${NC}"
-        echo "  • ${LATEST_URL}/download/Superset-arm64.dmg"
+        echo -e "${BLUE}Direct downloads:${NC}"
+        echo "  macOS:"
+        echo "    • ${LATEST_URL}/download/Superset-arm64.dmg"
+        echo "  Linux:"
+        echo "    • ${LATEST_URL}/download/superset-x64.AppImage"
+        echo "    • ${LATEST_URL}/download/superset-arm64.AppImage"
+        echo "    • ${LATEST_URL}/download/superset-amd64.deb"
+        echo "    • ${LATEST_URL}/download/superset-arm64.deb"
         echo ""
     else
         success "Draft release created!"

apps/desktop/electron-builder.ts

@@ -92,7 +92,16 @@ const config: Configuration = {
 		icon: join(pkg.resources, "build/icons"),
 		category: "Utility",
 		synopsis: pkg.description,
-		target: ["AppImage", "deb"],
+		target: [
+			{
+				target: "AppImage",
+				arch: ["x64", "arm64"],
+			},
+			{
+				target: "deb",
+				arch: ["x64", "arm64"],
+			},
+		],
 		artifactName: `superset-\${version}-\${arch}.\${ext}`,
 	},