Download MacOSX SDK version and change minimum sdk version in info.plist

change-sdk.sh

SDK_VERSION=$1
SDK_NAME="MacOSX${SDK_VERSION}.sdk"
TAR_FILE_NAME="${SDK_NAME}.tar.xz"
DOWNLOAD_URL="https://github.com/phracker/MacOSX-SDKs/releases/download/MacOSX10.11.sdk/${TAR_FILE_NAME}"
TAR_FILE_DEST="/tmp/${TAR_FILE_NAME}"
SDK_MIN_VERSION_FILE="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Info.plist"
SDK_DIR="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/"

echo Downloading $SDK_NAME
curl -L $DOWNLOAD_URL -o $TAR_FILE_DEST --progress-bar

echo Extracting $SDK_NAME to $SDK_DIR
sudo tar -zxf $TAR_FILE_DEST -C $SDK_DIR
rm -rf $TAR_FILE_DEST

echo Changing "MinimumSDKVersion" to $SDK_VERSION
sudo cp -n $SDK_MIN_VERSION_FILE ${SDK_MIN_VERSION_FILE}.bak
sudo plutil -replace MinimumSDKVersion -string $SDK_VERSION $SDK_MIN_VERSION_FILE

echo Done.