add linux support

.github/workflows/ci.yml

@@ -60,6 +60,9 @@ jobs:
           - os: macos-latest
             gifsicle-path: vendor/gifsicle/gifsicle
             skip_gifsicle: ''
+          - os: ubuntu-latest
+            gifsicle-path: vendor/gifsicle/gifsicle
+            skip_gifsicle: ''
           # todo: prebuilt gifsicle.exe for ci and windows release
           - os: windows-latest
             gifsicle-path: vendor/gifsicle/gifsicle.exe
@@ -100,6 +103,20 @@ jobs:
         if: runner.os == 'macOS'
         run: brew install dav1d
 
+      - name: Install Linux dependencies
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            libwebkit2gtk-4.1-dev \
+            libayatana-appindicator3-dev \
+            librsvg2-dev \
+            libxdo-dev \
+            libssl-dev \
+            libdav1d-dev \
+            nasm \
+            patchelf
+
       - name: Cache vcpkg (Windows)
         if: runner.os == 'Windows'
         uses: actions/cache@v5
@@ -124,7 +141,7 @@ jobs:
         run: ./scripts/set-vc-runtime-env.ps1
 
       - name: Cache gifsicle binary
-        if: runner.os == 'macOS'
+        if: runner.os != 'Windows'
         uses: actions/cache@v5
         id: gifsicle-cache
         with:
@@ -138,3 +155,66 @@ jobs:
 
       - name: Rust tests
         run: npm run ci:rust
+
+  build-linux:
+    needs: changes
+    if: needs.changes.outputs.rust == 'true'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v5
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Rust cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: src-tauri
+
+      - name: Install Linux dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            libwebkit2gtk-4.1-dev \
+            libayatana-appindicator3-dev \
+            librsvg2-dev \
+            libxdo-dev \
+            libssl-dev \
+            libdav1d-dev \
+            libfuse2 \
+            nasm \
+            file \
+            patchelf
+
+      - name: Cache gifsicle binary
+        uses: actions/cache@v5
+        with:
+          path: vendor/gifsicle/gifsicle
+          key: gifsicle-${{ runner.os }}-${{ runner.arch }}-1.96
+
+      - name: Install dependencies
+        run: npm ci
+        env:
+          HUSKY: 0
+
+      - name: Build AppImage
+        run: >-
+          npm run tauri -- build --bundles appimage
+          --config '{"bundle":{"createUpdaterArtifacts":false}}'
+
+      - name: Verify AppImage bundle
+        run: |
+          appimage="$(find src-tauri/target -name '*.AppImage' -path '*/release/bundle/appimage/*' | head -1)"
+          if [[ -z "$appimage" ]]; then
+            echo "build-linux: AppImage bundle not found"
+            exit 1
+          fi
+          ls -lh "$appimage"

.github/workflows/publish.yml

@@ -1,9 +1,5 @@
 name: publish
 
-# Windows release build. Trigger manually after version bump is on main.
-# Creates a draft GitHub release for v<package.json version>.
-# Then: Mac build locally, upload assets, merge latest.json, publish release.
-
 on:
   workflow_dispatch:
 
@@ -154,8 +150,86 @@ jobs:
 
             - macOS: `DropSlim_*_aarch64.dmg` (Apple Silicon)
             - Windows: `DropSlim_*_x64-setup.exe` (64-bit)
+            - Linux: `DropSlim_*_amd64.AppImage` (x86_64)
 
             macOS assets are uploaded separately after the local release build.
           releaseDraft: true
           prerelease: false
           args: '--bundles nsis'
+
+  publish-linux:
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Read app version
+        id: app
+        run: |
+          version=$(node -p "require('./package.json').version")
+          echo "version=$version" >> "$GITHUB_OUTPUT"
+          echo "tag=v$version" >> "$GITHUB_OUTPUT"
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v5
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Rust cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: src-tauri
+
+      - name: Install Linux dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            libwebkit2gtk-4.1-dev \
+            libayatana-appindicator3-dev \
+            librsvg2-dev \
+            libxdo-dev \
+            libssl-dev \
+            libdav1d-dev \
+            libfuse2 \
+            nasm \
+            file \
+            patchelf
+
+      - name: Cache gifsicle binary
+        uses: actions/cache@v5
+        with:
+          path: vendor/gifsicle/gifsicle
+          key: gifsicle-${{ runner.os }}-${{ runner.arch }}-1.96
+
+      - name: Install dependencies
+        run: npm ci
+        env:
+          HUSKY: 0
+
+      - name: Build and release
+        uses: tauri-apps/tauri-action@v0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
+          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
+        with:
+          tagName: ${{ steps.app.outputs.tag }}
+          releaseName: DropSlim v${{ steps.app.outputs.version }}
+          releaseBody: |
+            DropSlim v${{ steps.app.outputs.version }}
+
+            - macOS: `DropSlim_*_aarch64.dmg` (Apple Silicon)
+            - Windows: `DropSlim_*_x64-setup.exe` (64-bit)
+            - Linux: `DropSlim_*_amd64.AppImage` (x86_64)
+
+            macOS assets are uploaded separately after the local release build.
+          releaseDraft: true
+          prerelease: false
+          args: '--bundles appimage'

.gitignore

@@ -28,8 +28,6 @@ src-tauri/icons/icon.ico
 
 .DS_Store
 .vscode/*
-!.vscode/settings.json
-!.vscode/extensions.json
 *.swp
 *.swo
 *~

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dropslim",
-  "version": "1.4.0",
+  "version": "1.5.0-linux-test.1",
   "description": "Optimize your images and graphics in a single drag and drop.",
   "author": "Martin Farkas",
   "license": "MIT",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dropslim"
-version = "1.4.0"
+version = "1.5.0-linux-test.1"
 description = "Optimize your images and graphics in a single drag and drop."
 authors = ["Martin Farkas"]
 edition = "2021"

src-tauri/src/platform/dialogs/mod.rs

@@ -2,10 +2,10 @@
 mod macos;
 
 #[cfg(not(target_os = "macos"))]
-mod desktop;
+mod non_macos;
 
 #[cfg(target_os = "macos")]
 pub use macos::{pick_paths, pick_save_folder};
 
 #[cfg(not(target_os = "macos"))]
-pub use desktop::{pick_paths, pick_save_folder};
+pub use non_macos::{pick_paths, pick_save_folder};

src-tauri/tauri.conf.json

@@ -34,17 +34,7 @@
     "icon": ["icons/icon.png"],
     "fileAssociations": [
       {
-        "ext": [
-          "png",
-          "jpg",
-          "jpeg",
-          "gif",
-          "svg",
-          "webp",
-          "avif",
-          "heic",
-          "heif"
-        ],
+        "ext": ["png", "jpg", "jpeg", "gif", "svg", "webp", "avif"],
         "name": "Image",
         "role": "Editor"
       }

src-tauri/tauri.linux.conf.json

@@ -0,0 +1,31 @@
+{
+  "app": {
+    "windows": [
+      {
+        "label": "main",
+        "title": "DropSlim",
+        "width": 480,
+        "height": 840,
+        "minWidth": 480,
+        "minHeight": 840,
+        "resizable": true,
+        "dragDropEnabled": true,
+        "transparent": false,
+        "titleBarStyle": "Visible",
+        "acceptFirstMouse": false
+      }
+    ]
+  },
+  "bundle": {
+    "targets": ["appimage"],
+    "icon": ["icons/icon.png"],
+    "resources": {
+      "resources/": "resources/"
+    },
+    "linux": {
+      "appimage": {
+        "bundleMediaFramework": false
+      }
+    }
+  }
+}

src-tauri/tauri.macos.conf.json

@@ -11,6 +11,23 @@
   "bundle": {
     "targets": ["dmg", "app"],
     "icon": ["icons/icon.png", "icons/icon.icns"],
+    "fileAssociations": [
+      {
+        "ext": [
+          "png",
+          "jpg",
+          "jpeg",
+          "gif",
+          "svg",
+          "webp",
+          "avif",
+          "heic",
+          "heif"
+        ],
+        "name": "Image",
+        "role": "Editor"
+      }
+    ],
     "macOS": {
       "minimumSystemVersion": "11.0",
       "signingIdentity": "-",

src-tauri/tests/optimize_integration.rs

@@ -35,17 +35,18 @@ fn create_raster_fixture(dir: &TempDir, name: &str, create: impl FnOnce(&Path))
     path
 }
 
-// skips when gifsicle is missing (e.g. windows ci with ci_skip_gifsicle=1)
-// todo: bundle gifsicle.exe and run gif integration tests on windows
+// skips tests when gifsicle is missing (e.g. windows ci with ci_skip_gifsicle=1)
+// linux/macos build gifsicle from source, windows ci still needs a prebuilt .exe
 fn require_gifsicle() -> Option<PathBuf> {
+    let binary_name = if cfg!(windows) {
+        "gifsicle.exe"
+    } else {
+        "gifsicle"
+    };
     let gifsicle = project_root()
         .join("vendor")
         .join("gifsicle")
-        .join(if cfg!(windows) {
-            "gifsicle.exe"
-        } else {
-            "gifsicle"
-        });
+        .join(binary_name);
 
     if !gifsicle.exists() {
         eprintln!(

ui/main.js

@@ -15,6 +15,8 @@ const boot = async () => {
     document.body.classList.add('platform-desktop')
     if (osType === 'windows') {
       document.body.classList.add('platform-win')
+    } else if (osType === 'linux') {
+      document.body.classList.add('platform-linux')
     }
   }