Add appimage support (#77)

.github/workflows/linux.yml

@@ -214,3 +214,51 @@ jobs:
           name: czkawka_gui_orbtk-${{ runner.os }}-${{ matrix.toolchain }}
           path: target/release/czkawka_gui_orbtk
         if: ${{ matrix.type == 'release' }}
+
+
+  linux-appimage-gui:
+    strategy:
+      matrix:
+        toolchain: [ stable ]
+        type: [ release ]
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.toolchain }}
+          override: true
+
+      - uses: actions/cache@v2
+        with:
+          path: |
+            target
+          key: linux-appimage-gui-${{github.ref}}-${{github.sha}}
+          restore-keys: |
+            linux-appimage-gui-${{github.ref}}-${{github.sha}}
+
+      - name: Install Gtk,
+        run: sudo apt-get update; sudo apt install libgtk-3-dev librsvg2-dev wget -y
+
+      - name: Build GUI Release
+        run: cargo build --release --bin czkawka_gui
+        env:
+          CARGO_INCREMENTAL: 0
+          RUSTFLAGS: "-C debuginfo=0 -D warnings"
+
+      - name: Download appimage dependiences
+        run: |
+          wget -c "https://raw.githubusercontent.com/linuxdeploy/linuxdeploy-plugin-gtk/master/linuxdeploy-plugin-gtk.sh"
+          wget -c "https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage"
+          chmod +x linuxdeploy-plugin-gtk.sh
+          chmod +x linuxdeploy-x86_64.AppImage
+          mkdir -p AppDir/usr/bin
+          cp target/release/czkawka_gui AppDir/usr/bin
+          ./linuxdeploy-x86_64.AppImage --appdir AppDir --plugin gtk --output appimage --icon-file icon.png --desktop-file pkgs/com.github.qarmin.czkawka.desktop
+
+      - name: Store Linux Appimage GUI
+        uses: actions/upload-artifact@v2
+        with:
+          name: czkawka_gui-appimage-${{ runner.os }}-${{ matrix.toolchain }}
+          path: Czkawka*.AppImage

pkgs/com.github.qarmin.czkawka.desktop

@@ -1,8 +1,8 @@
 [Desktop Entry]
-Version=1.0.0
 Type=Application
 Terminal=false
 Exec=czkawka_gui
 Name=Czkawka
-Comment=Multi functional app to find duplicates, empty folders etc.
-Icon=drive-multidisk
+Comment=Multi functional app to clean OS which allow to find duplicates, empty folders, similar files etc.
+Icon=icon
+Categories=System;