if [ $(whoami) != "root" ]; then
        echo "You must run this script as root"
	echo "Type devel-su password is rootme"
        exit 1
fi

if [ ! -f traffic.patch ]; then
        echo "Error: I can't find maps.patch"
	echo "Have you placed it in this current directory?"
	echo "Quitting with nothing done."
	exit 1
fi

if [ ! -f /etc/apt/sources.list.d/sdk.list  ]; then
        echo "Adding new SDK repos"
        echo "deb http://harmattan-dev.nokia.com/ harmattan/sdk free non-free" >> /etc/apt/sources.list.d/sdk.list
else
        echo "> SDK repos. already set up"
fi

if [ ! -f /usr/bin/patch ]; then
        echo "Installing patch"
        apt-get install patch
else
        echo "> Found patch utility"
fi

if [ ! -d /usr/lib/drive-qml-original  ]; then
        echo "> Backing up original files before proceeding"
        cp -r /usr/lib/drive-qml /usr/lib/drive-qml-original
fi

echo "Test running patch"
patch --dry-run -p0 -i traffic.patch 2>/dev/null

if [ $? != "0"  ]; then
        echo ">> Error. Maybe you have previously made changes to the files?"
else
	echo "Patching files"
	patch -p0 -i traffic.patch
fi