Install Pixel Dungeon as a Mac .app

pixel-dungeon-jar2app.sh

#! /usr/bin/env bash
#
# Usage:
#   curl -sL http://bit.ly/pixeldungeon2app-sh | bash -e
#
echo "Creating a temporary directory..."
mkdir -p pd_tmp
cd pd_tmp
echo "Downloading a JDK build..."
curl -L# -o jdk.zip https://bitbucket.org/alexkasko/openjdk-unofficial-builds/downloads/openjdk-1.7.0-u60-unofficial-macosx-x86_64-image.zip
echo "Downloading the game..."
curl -L# -o pd.jar http://commondatastorage.googleapis.com/itchio/upload/13075/desktop-1.7.2a-1.jar
echo "Downloading the packaging app..."
curl -L# -o packr.jar http://libgdx.badlogicgames.com/packr/packr.jar
echo "Packaging..."
java -jar packr.jar \
     -platform mac \
     -jdk jdk.zip \
     -executable "Pixel Dungeon" \
     -appjar pd.jar \
     -mainclass "com/watabou/pd/desktop/DesktopLauncher" \
     -vmargs "-Xmx1G" \
     -outdir "Pixel Dungeon.app"
mv "Pixel Dungeon.app" ../
cd ..
echo "Removing the temporary directory..."
rm -rf pd_tmp
echo "Visit the official website for more info, to donate & more!"
echo "  http://pixeldungeon.watabou.ru/"