ci: add appimage packaging

.github/workflows/main.yml

@@ -205,7 +205,7 @@ jobs:
       with:
         name: owlplug-installer-osx
         path: build/output/OwlPlug-${{ env.version }}.dmg
-  package-linux:
+  package-linux-deb:
     runs-on: ubuntu-latest
     needs: [build-jar]
     steps:
@@ -230,3 +230,35 @@ jobs:
       with:
         name: owlplug-installer-linux
         path: build/output/OwlPlug-${{ env.version }}.deb
+  package-linux-appimage:
+    runs-on: ubuntu-latest
+    needs: [build-jar]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'adopt'
+        java-version: 17
+    - name: Get version
+      run: echo "version=$(mvn -q -Dexec.executable=echo -Dexec.args='${project.version}' --non-recursive exec:exec)" >> $GITHUB_ENV
+      id: get-version
+    - name: Install Jar artifact
+      uses: actions/download-artifact@v4
+      with:
+        name: owlplug-client-jar
+        path: owlplug-client/target
+    - name: Package installer
+      run: cd build && ./package-appimage.sh ${{ env.version }}
+    - name: Download AppImage Tool
+      run: curl -o appimagetool.appimage https://github.com/AppImage/AppImageKit/releases/download/13/appimagetool-x86_64.AppImage
+    - name: Allow AppImage Execution
+      run: chmod u+x appimagetool.appimage
+    - name: Run AppImage Tool
+      run: ./appimagetool.appimage OwlPlug.AppDir --verbose
+    - name: Upload Installer Artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: owlplug-installer-linux
+        path: build/output/OwlPlug-${{ env.version }}.appimage
+

build/OwlPlug.AppDir/AppRun

@@ -0,0 +1,6 @@
+#!/bin/sh
+SELF=$(readlink -f "$0")
+HERE=${SELF%/*}
+export PATH="${HERE}/usr/bin/:${HERE}/usr/sbin/:${HERE}/usr/games/:${HERE}/bin/:${HERE}/sbin/${PATH:+:$PATH}"
+EXEC=$(grep -e '^Exec=.*' "${HERE}"/*.desktop | head -n 1 | cut -d "=" -f 2 | cut -d " " -f 1)
+exec "${EXEC}" "$@"

build/OwlPlug.AppDir/OwlPlug.desktop

@@ -0,0 +1,6 @@
+[Desktop Entry]
+Name=OwlPlug
+Exec=OwlPlug
+Icon=myapp
+Type=Application
+Categories=AudioVideo;Audio

build/package-appimage.sh

@@ -0,0 +1,29 @@
+echo "Preparing package"
+
+owlplugversion=$1
+
+echo "Exporting LICENSE File"
+
+cp ../LICENSE ./input/LICENSE
+
+echo "Copying owlplug-client-$owlplugversion.jar to owlplug.jar"
+
+cp ../owlplug-client/target/owlplug-client-$owlplugversion.jar ./input/owlplug.jar
+
+echo "Generating OwlPlug AppImage Install package"
+
+jpackage --input ./input/ --type app-image --name OwlPlug --main-class org.springframework.boot.loader.JarLauncher \
+--main-jar owlplug.jar --dest ./output \
+--app-version $owlplugversion  --vendor OwlPlug
+
+ls ./output
+
+# Copy OwlPlug logo to AppDir
+cp ./resources/owlplug.png ./OwlPlug.AppDir/owlplug.png
+
+# Copy OwlPlug binaries to AppDir
+cp -a ./output/. ./OwlPlug.AppDir/usr/bin
+
+ls -a ./OwlPlug.AppDir/usr/bin
+
+echo "OwlPlug AppImage files generated"