#!/bin/bash

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

if [ ! -f ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/SRC_INSTALL_DEPS ]
then
	die "${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/SRC_INSTALL_DEPS missing. run 'buildserver-build-depends first"
fi

SRC_INSTALL_DEPS="$(< ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/SRC_INSTALL_DEPS)"

if [[ -z ${SRC_INSTALL_DEPS} ]]
then
	die "buildserver-build: SRC_INSTALL_DEPS are empty, aborting."
fi

# 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 [ ! -f ${TARGET_SRC_TARBALL} ]
then
	die "${TARGET_SRC_TARBALL} is missing"
fi

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

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

echo
echo "---- environment -----"
echo "MROOT:    ${FAKE_MROOT}"
echo "PKGDIR:   ${PKGDIR}"
echo "BUILDDIR: ${BUILDDIR}"
echo "BINDIR:   ${BINDIR}"
echo "$(mprintfeatures)"
echo "----------------------"
echo
#echo "DEBUG: paused"; read

if [ ! -f ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/INSTALLED_PREREQUISITES ]
then
	die "${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/INSTALLED_PREREQUISITES missing. run 'buildserver-build-prerequisites first"
fi

#### building target package from src-pkg tarball####
if smage2 --src-tarball ${TARGET_SRC_TARBALL}
then
	build_retval=0
	echo 0 > ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/BUILD_OK
	# remove maybe existing failed file
	if [ -f ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/BUILD_FAILED ]
	then
		rm ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/BUILD_FAILED
	fi
	echo "Build successfull!"
	regen_mage_tree
	# restore STATE
	STATE="${BUILDSERVER_SAVED_STATE}"
	if [[ ${LINT_CHECKS} = 1 ]]
	then
		/usr/lib/mage-buildserver/buildserver-lint.sh ${SMAGEFILE}
	fi
	if install_packages ${SRC_INSTALL_DEPS} || die "installing packages"
	then
		install_retval=0
		echo 0 > ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/INSTALL_OK
		echo "Install successfull!"
	else
		install_retval=1
		echo 1 > ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/INSTALL_FAILED
		echo "Installation *not* successfull!"
	fi
else
	build_retval=1
	echo 1 > ${BUILDSERVER_CACHE_DIR}/build/${PNAME}/${PNAME}-${PVER}-${PBUILD}/BUILD_FAILED
	echo "Build failed"
	echo "DEBUG: read"
	read
fi

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

exit ${build_retval}