#!/bin/bash

BUILDSERVER_CACHE_DIR="/var/cache/mage-buildserver"
DEBUG=0

if [ -f /etc/rc.d/init.d/functions ]
then
	source /etc/rc.d/init.d/functions
else
	die "/etc/rc.d/init.d/functions not found"
fi
if [ -f /etc/mage.rc.global ]
then
	source /etc/mage.rc.global
else
	die "/etc/mage.rc.global not found"
fi
if [ -f /etc/mage.rc ]
then
	source /etc/mage.rc
else
	die "/etc/mage.rc not found"
fi
if [ -f ${MLIBDIR}/mage4.functions.sh ]
then
	source ${MLIBDIR}/mage4.functions.sh
else
	die "${MLIBDIR}/mage4.functions.sh not found"
fi
if [ -f ${MLIBDIR}/smage2.functions.sh ]
then
	source ${MLIBDIR}/smage2.functions.sh
else
	die "${MLIBDIR}/smage2.functions.sh not found"
fi

# do this at least of all includes to prevent path overwrites
env-rebuild
source /etc/profile

# export default path
export PATH="${PATH}:${MLIBDIR}"

die()
{
	echo "ERROR: $@"
	exit 1
}

is_split_target_magefile()
{
	local mage="$1"

	for target_mage in ${MY_SPLIT_TARGET_MAGEFILES}
	do
		if [[ ${mage} = ${target_mage} ]]
		then
			return 0
		fi
	done

	return 1
}

load_mage_features
mage_setup


if [ ! -d ${BUILDSERVER_CACHE_DIR}/protected ]
then
	die "${BUILDSERVER_CACHE_DIR}/protected directory not found."
fi

UNINSTALL_PKGS=""
for pkg in $(magequery -i)
do
	pname="$(magename2pname ${pkg})"
	if [ -f ${BUILDSERVER_CACHE_DIR}/protected/${pname} ]
	then
		[[ ${DEBUG} = 0 ]] || echo "'${pname}' is protected, ignored." >&2
	else
		magefile=$(get_uninstall_candidates --pname "${pname}")
		UNINSTALL_PKGS+=" ${magefile}"
	fi
done

echo
echo "---- dependencies ----"
echo "UNINSTALL_PKGS:"
for pkg in ${UNINSTALL_PKGS}
do
	echo "   * ${pkg}"
done
echo "----------------------"

# now uninstall the packages
if [[ -z ${UNINSTALL_PKGS} ]]
then
	echo "Nothing found  to uninstall"
else
	uninstall_packages ${UNINSTALL_PKGS} || die "uninstalling packages"

	## always run auto etc-update
	echo "running etc-update"
	echo "-5" | etc-update
fi