feat: add GitHub Actions workflow for releasing Linux bundles

.github/workflows/release-linux-bundles.yml

@@ -0,0 +1,106 @@
+name: Release Linux Bundles
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: Existing tag to publish to (optional)
+        required: false
+        type: string
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build-and-release:
+    runs-on: ubuntu-latest
+    timeout-minutes: 45
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Rust cache
+        uses: swatinem/rust-cache@v2
+        with:
+          workspaces: src-tauri
+
+      - name: Setup Node
+        uses: actions/setup-node@v6
+        with:
+          node-version: 24
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@1e1c8eafbd745f64b1ef30a7d7ed7965034c486c
+        with:
+          package_json_file: ./package.json
+          cache: true
+          cache_dependency_path: ./pnpm-lock.yaml
+
+      - name: Install Linux dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            libwebkit2gtk-4.1-dev \
+            libgtk-3-dev \
+            libayatana-appindicator3-dev \
+            librsvg2-dev \
+            patchelf
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build Linux bundles
+        run: pnpm run tauri build --bundles deb,appimage
+
+      - name: Upload DEB artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: linux-deb
+          path: src-tauri/target/release/bundle/deb/**
+
+      - name: Upload AppImage artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: linux-appimage
+          path: src-tauri/target/release/bundle/appimage/**
+
+      - name: Resolve release tag
+        id: resolve_tag
+        shell: bash
+        run: |
+          if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
+            tag="${GITHUB_REF#refs/tags/}"
+          elif [[ -n "${{ inputs.tag }}" ]]; then
+            tag="${{ inputs.tag }}"
+          else
+            tag="v$(node -p "require('./package.json').version")"
+          fi
+
+          echo "tag=$tag" >> "$GITHUB_OUTPUT"
+          echo "Using release tag: $tag"
+
+      - name: Publish assets to GitHub Release
+        env:
+          GH_TOKEN: ${{ github.token }}
+          RELEASE_TAG: ${{ steps.resolve_tag.outputs.tag }}
+        shell: bash
+        run: |
+          shopt -s nullglob
+
+          files=(src-tauri/target/release/bundle/deb/*.deb src-tauri/target/release/bundle/appimage/*.AppImage)
+          if [[ ${#files[@]} -eq 0 ]]; then
+            echo "No Linux bundle files found to upload."
+            exit 1
+          fi
+
+          if ! gh release view "$RELEASE_TAG" >/dev/null 2>&1; then
+            gh release create "$RELEASE_TAG" --generate-notes
+          fi
+
+          gh release upload "$RELEASE_TAG" "${files[@]}" --clobber