MODULE="corefreqk"

post_install() {
	A_B_C_D=${1}
	DRV_VERSION=${A_B_C_D%-*}
	dkms add -q -m ${MODULE} -v ${DRV_VERSION}
	dkms build -q ${MODULE}/${DRV_VERSION}
	dkms install -q ${MODULE}/${DRV_VERSION}

	echo -e '--[ CoreFreq Starting Instructions ]--\n'\
		' 1: load the kernel module\n'\
		'  > modprobe corefreqk\n'\
		' 2: enable and start the daemon\n'\
		'  > systemctl enable corefreqd\n'\
		'  > systemctl start corefreqd\n'\
		' 3: run the client\n'\
		'  > corefreq-cli'
}

pre_upgrade() {
	pre_remove ${2%%-*}
}

post_upgrade() {
	post_install ${1%%-*}
}

pre_remove() {
	if [ "$(dkms status -m ${MODULE})" ]; then
		modprobe -r ${MODULE} 2>/dev/null
		if [ $? -eq 0 ]; then
			echo "Module [${MODULE}] unloaded.\n"
		fi

		A_B_C_D=${1}
		DRV_VERSION=${A_B_C_D%-*}
		dkms remove -q ${MODULE}/${DRV_VERSION} --all
	fi
}