AppImage packaging

packages/appimage/AppRun

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+#!/bin/sh
+
+HERE="$(dirname "$(readlink -f "${0}")")"
+
+MAIN=$(grep -r "^Exec=.*" "$HERE"/*.desktop | head -n 1 | cut -d "=" -f 2 | cut -d " " -f 1)
+
+# MAIN_BIN=$(find "$HERE/usr/bin" -name "$MAIN" | head -n 1)
+MAIN_BIN="$HERE/usr/bin/isle-config"
+
+export PATH="${HERE}/usr/bin/":$PATH # Prefer bundled binaries
+
+export QT_QPA_PLATFORMTHEME=xdgdesktopportal # Use XDG filepicker for forward compatability
+[ -z "$QT_PLUGIN_PATH" ] && export QT_PLUGIN_PATH=/usr/lib/qt6/plugins:/usr/lib64/qt6/plugins # Use system Qt theme, will fallback to the default one if unavailable
+
+
+if [ ! -z $APPIMAGE ]; then
+  BINARY_NAME=$(basename "$ARGV0")
+  if [ -e "$HERE/usr/bin/$BINARY_NAME" ]; then
+    exec "$HERE/usr/bin/$BINARY_NAME" "$@"
+  else
+    exec "${MAIN_BIN}" "$@"
+  fi
+else
+  exec "${MAIN_BIN}" "$@"
+fi

packages/appimage/Build

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+#!/usr/bin/env bash
+set -e
+
+export LD_LIBRARY_PATH="build/lib:$LD_LIBRARY_PATH"
+export QMAKE=/usr/lib/qt6/bin/qmake
+
+BUILD_SOURCE=../../build
+APPRUN_SOURCE=AppRun
+DESKTOP_FILE_SOURCE=isle-portable.desktop
+
+cd $(dirname $0)
+
+clean(){
+    rm -rf assets tools build AppDir
+}
+
+download(){
+    if [ ! -e "$1" ]; then
+        curl -Lo "$1" "$2"
+    fi
+}
+
+prepare(){
+    mkdir -p tools
+    mkdir -p assets
+
+    download tools/appimagetool.AppImage https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-$(uname -m).AppImage
+    chmod u+x tools/appimagetool.AppImage
+
+    download tools/linuxdeploy.AppImage https://github.com/linuxdeploy/linuxdeploy/releases/latest/download/linuxdeploy-$(uname -m).AppImage
+    chmod u+x tools/linuxdeploy.AppImage
+
+    download tools/linuxdeploy-plugin-qt.AppImage https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/latest/download/linuxdeploy-plugin-qt-$(uname -m).AppImage
+    chmod u+x tools/linuxdeploy-plugin-qt.AppImage
+
+    download assets/isle.png https://github.com/isledecomp/isle/blob/master/assets/isle.png?raw=true
+    magick assets/isle.png -resize 256x256 assets/isle.png
+    download assets/isle-config.png https://github.com/isledecomp/isle/blob/master/assets/config.png?raw=true
+    magick assets/isle-config.png -resize 256x256 assets/isle-config.png
+
+    if [ ! -f "assets/isle-portable.desktop" ]; then
+        cp $DESKTOP_FILE_SOURCE assets/isle-portable.desktop
+        cp $APPRUN_SOURCE assets/AppRun
+    fi
+
+    if [ ! -d "build" ]; then
+        cp -r $BUILD_SOURCE build
+    fi
+}
+
+compile(){
+
+    NO_STRIP=1 tools/linuxdeploy.AppImage \
+        --plugin qt \
+        -e build/bin/isle \
+        -e build/bin/isle-config \
+        -d assets/isle-portable.desktop \
+        -i assets/isle.png \
+        -i assets/isle-config.png \
+        --custom-apprun=AppRun \
+        --appdir=AppDir
+}
+
+package(){
+    tools/appimagetool.AppImage AppDir "LEGO_Island-$(uname -m).AppImage"
+}
+
+stop(){
+    exit
+}
+
+for func in "$@"; do
+    "$func"
+done
+prepare
+compile
+package
+# Symlinks named as binaries in appimage can call these binaries specifically
+# ln -s "LEGO_Island-$(uname -m).AppImage" isle-config 
+# ln -s "LEGO_Island-$(uname -m).AppImage" isle

packages/appimage/isle-portable.desktop

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+[Desktop Entry]
+Name=LEGO Island
+GenericName=
+Comment=LEGO-themed open-world adventure game
+Name[uk_UA]=LEGO Island
+GenericName[uk_UA]=
+Comment[uk_UA]=Тематична LEGO гра з відкритим світом
+Actions=Settings
+Categories=Game;AdventureGame;ActionGame;KidsGame;
+Exec=isle
+Icon=isle
+StartupNotify=true
+StartupWMClass=lego-isle
+Type=Application
+
+[Desktop Action Settings]
+Exec=isle-config
+Name=Settings
+Name[uk_UA]=Налаштування
+Icon=isle-config