#!/bin/bash

BUILDSERVER_CACHE_DIR="/var/cache/mage-buildserver"
SMAGEFILE="$1"

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 [[ -z ${SMAGEFILE} ]]
then
	die "no smage file given. call '$(basename $0) with/relative/path/from/buildroot/svn/smage/to/smagefile'"
fi

if [ -f ${SMAGESCRIPTSDIR}/${SMAGEFILE} ]
then
	# be silent
	FVERBOSE=off \
	SILENT=1 \
	smagesource ${SMAGESCRIPTSDIR}/${SMAGEFILE}
else
	die "smagefile '${SMAGESCRIPTSDIR}/${SMAGEFILE}' not found."
fi

# create build info dir
install -d ${BUILDSERVER_CACHE_DIR}/build/${PNAME}

# save STATE, gets deleted by regen_mage_tree
BUILDSERVER_SAVED_STATE="${STATE}"

#regen_mage_tree # do this after dep install
TARGET_MAGEFILE="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.${MAGESUFFIX}"
TARGET_SRC_TARBALL="/var/cache/mage/src-packages/${PNAME}-${PVER}-${PBUILD}.${SRCPKGSUFFIX}"

if is_installed ${PCAT}/${PNAME}-${PVER}-${PBUILD}
then
	echo -en "Package "
	echo -en "${COLRED}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
	echo -e  " already installed. try a revup."
	exit 3
fi

if [ -f ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/BUILD_OK ]
then
	echo -en "Package "
	echo -en "${COLRED}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
	echo -e  " already build successfully. try a revup."
	exit 3
fi

#if [ -f ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/BUILD_FAILED ]
#then
#	echo -en "Package "
#	echo -en "${COLRED}${PCAT}/${PNAME}-${PVER}-${PBUILD}${COLDEFAULT}"
#	echo -e  " build has failed already. try to fix build and revup or enforce rebuild."
#	exit 3
#fi

# get all dependencies of this package
echo
echo -n "Calculating dependencies ... "
INSTALL_DEPS="$(${MLIBDIR}/depwalker.sh \
	--method install-build-prerequisites \
	--smage ${SMAGESCRIPTSDIR}/${SMAGEFILE})"

# honor split packages
if [[ -n ${SPLIT_PACKAGES} ]]
then
	split_save_variables
	for subpackage in ${SPLIT_PACKAGES}
	do
		# get the right variables for the split
		export PNAME="${subpackage}"
		split_info_${PNAME}

		if [[ -z ${SRC_INSTALL_DEPS} ]]
		then
			SRC_INSTALL_DEPS="${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.${MAGESUFFIX}"
		else
			SRC_INSTALL_DEPS+=" ${MAGEDIR}/${PCAT}/${PNAME}/${PNAME}-${PVER}-${PBUILD}.${MAGESUFFIX}"
		fi
		# restore smage environment
		split_restore_variables
	done
	# unset all saved smage variables
	split_unset_variables
else
	SRC_INSTALL_DEPS="${TARGET_MAGEFILE}"
fi
echo "done"

echo
echo "---- dependencies ----"
install -d ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}
echo "INSTALL_DEPS:"
: > ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/INSTALL_DEPS
for i in ${INSTALL_DEPS}
do
	echo "   * ${i}"
	echo "${i}" >> ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/INSTALL_DEPS
done
echo "SRC_INSTALL_DEPS:"
: > ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/SRC_INSTALL_DEPS
for i in ${SRC_INSTALL_DEPS}
do
	echo "   * ${i}"
	echo "${i}" >> ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/SRC_INSTALL_DEPS
done
echo "----------------------"