Add build script, info plist and big sur style icon

build.sh

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+#!/usr/bin/env bash
+
+set -xe
+
+mkdir extern
+
+cd extern
+
+sdl_version='2.28.1'
+sdl_filename="SDL2-$sdl_version.dmg"
+sdl_url="https://github.com/libsdl-org/SDL/releases/download/release-$sdl_version/$sdl_filename"
+
+sdl_mixer_version='2.7.0'
+sdl_mixer_filename="SDL2_mixer-$sdl_mixer_version.dmg"
+sdl_mixer_url="https://www.libsdl.org/tmp/$sdl_mixer_filename"
+
+mount_point="$(mktemp -d)"
+
+if [ ! -f "$sdl_filename" ]; then
+	curl -sSf -L -O "$sdl_url"
+fi
+
+echo "2f936225c10a402cab07055e6f75de76f991945c37feb0cf6af633a96d2fb28c  $sdl_filename" | shasum -a 256 -c
+hdiutil attach "$sdl_filename" -mountpoint "$mount_point" -quiet
+cp -a "$mount_point/SDL2.framework" .
+hdiutil detach "$mount_point"
+
+if [ ! -f "$sdl_mixer_filename" ]; then
+	curl -sSf -L -O "$sdl_mixer_url"
+fi
+
+echo "f394c714c8aefdcae0ff9d6eefeb5d42f28e56ed09fcaebb796cb672ca11279d  $sdl_mixer_filename" | shasum -a 256 -c
+hdiutil attach "$sdl_mixer_filename" -mountpoint "$mount_point" -quiet
+cp -a "$mount_point/SDL2_mixer.framework" .
+hdiutil detach "$mount_point"
+
+cd ..
+
+cmake .
+cmake --build .
+
+cd packaging
+
+sw_version='2.0.1'
+
+mkdir -p SpaceCadetPinball.app/Contents/MacOS
+mkdir -p SpaceCadetPinball.app/Contents/Resources
+mkdir -p SpaceCadetPinball.app/Contents/Frameworks
+
+cp -a Info.plist SpaceCadetPinball.app/Contents/
+cp -a SpaceCadetPinball.icns SpaceCadetPinball.app/Contents/Resources/
+cp -a ../extern/SDL2.framework SpaceCadetPinball.app/Contents/Frameworks/
+cp -a ../extern/SDL2_mixer.framework SpaceCadetPinball.app/Contents/Frameworks/
+cp -a ../bin/SpaceCadetPinball SpaceCadetPinball.app/Contents/MacOS/
+
+sed -i '' "s/CHANGEME_SW_VERSION/$sw_version/" SpaceCadetPinball.app/Contents/Info.plist
+
+echo -n "APPL????" > SpaceCadetPinball.app/Contents/PkgInfo
+
+hdiutil create -fs HFS+ -srcfolder SpaceCadetPinball.app -volname "SpaceCadetPinball $sw_version" "SpaceCadetPinball-$sw_version-mac.dmg"
+
+rm -r SpaceCadetPinball.app

packaging/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>SpaceCadetPinball</string>
+	<key>CFBundleIconFile</key>
+	<string>SpaceCadetPinball.icns</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.github.k4zmu2a.spacecadetpinball</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleLongVersionString</key>
+	<string></string>
+	<key>CFBundleName</key>
+	<string>SpaceCadetPinball</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>CHANGEME_SW_VERSION</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleSupportedPlatforms</key>
+	<array>
+		<string>MacOSX</string>
+	</array>
+	<key>CSResourcesFileMapped</key>
+	<true/>
+	<key>NSHighResolutionCapable</key>
+	<true/>
+</dict>
+</plist>