#!/bin/bash

: ${MAGERC="/etc/mage.rc"}

source /etc/mage.rc.global
source ${MAGERC}
source ${MLIBDIR}/mage4.functions.sh
source ${MLIBDIR}/smage2.functions.sh

RESUME=""
if [[ $1 = --resume ]]
then
	echo "resume enabled!"
	RESUME="--resume"
	shift
fi

SMAGEFILE="$1"
if [[ -z ${SMAGEFILE} ]]
then
	echo "No smagefile given."
	exit 1
fi

[[ -n $2 ]] && [[ $2 != -st ]] && SVN_COMMIT="$2"
if [[ $3 = -st ]] || [[ $2 = -st ]]
then
	echo "Using SRCTARBALL ..."
	USE_SRCTARBALL=true
fi

#CURARCH=i686
#CURARCH=x86_64

if [[ -z ${CURARCH} ]]
then
	echo "Environment variable \${CURARCH} not given. Aborted."
	exit 1
fi

# get smagedir from given smagefile
SMAGESCRIPTSDIR=${SMAGEFILE%/*/*/*}
# source distribution file
if [[ ${SMAGESCRIPTSDIR}/distribution ]]
then
	source ${SMAGESCRIPTSDIR}/distribution
fi

# force usage of distrotag here
MAGE_FEATURES+=( "pkgdistrotag" )
# load all mage features
load_mage_features

USE_UNIONFS=false

BUILDROOT=/mnt/BUILDROOT-R11-"${CURARCH}"

if [[ ${USE_UNIONFS} = true ]]
then
	BUILDROOT_CHROOT=${BUILDROOT}/chroot
	BUILDROOT_WRITEABLE=${BUILDROOT}/writeable
	BUILDROOT_LAYEREDFS=${BUILDROOT}/layeredfs
fi

SMAGEDIR=$(dirname ${SMAGEFILE})
MD5DIR=${SMAGEDIR}/md5
MD5NAME=$(basename $1 .smage2).md5
SMAGENAME=$(basename $1)
CURPNAME=$(magename2pname $1)
CURPVER=$(magename2pver $1)
CURPBUILD=$(magename2pbuild $(basename $1 .smage2))
CURDISTROTAG=$(print_distrotag)
PKGNAME=${CURPNAME}-${CURPVER}-${CURARCH}${CURDISTROTAG}-${CURPBUILD}.${PKGSUFFIX}
SRCPKGNAME=${CURPNAME}-${CURPVER}-${CURPBUILD}.${SRCPKGSUFFIX}
REPO="$(echo ${SMAGEFILE#*trunk/} | cut -d'/' -f1)"
#REPO="$(echo ${SMAGEFILE#*branches/magellan-next/} | cut -d'/' -f1)"
SSHLOGIN="tjoke@magellan-linux.de:/var/www/htdocs/magellan/R11/packages"
SRCTARBALL_URI="http://magellan-linux.de/magellan/R11/packages/src"

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

is_loc_mounted()
{
	local filesys
	local i
	filesys=$1

	i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)"
	[[ ${i} != ${filesys} ]] && return 1

	return 0
}

trap_exit()
{
	is_loc_mounted "${BUILDROOT}/dev" && sudo umount ${BUILDROOT}/dev
	is_loc_mounted "${BUILDROOT}/proc" && sudo umount ${BUILDROOT}/proc
	is_loc_mounted "${BUILDROOT}/sys" && sudo umount ${BUILDROOT}/sys
	if [[ ${USE_UNIONFS} = true ]]
	then
		is_loc_mounted "${BUILDROOT_LAYEREDFS}" && sudo umount ${BUILDROOT_LAYEREDFS}
	fi
	echo "add2svn-r11 aborted"
	exit 1
}

get_value_from_file()
{
	local var="$1"
	local file="$2"
	local value

	# source /etc/mage.rc to get the includes right
	source /etc/mage.rc.global
	source /etc/mage.rc

	# set the right arch
	ARCH="${CURARCH}"

	# evaluate the value
	source ${file} $> /dev/null

	# fix pcategorie -> pcat
	if [[ -z ${PCAT} ]]
	then
		[[ -n ${PCATEGORIE} ]] && PCAT="${PCATEGORIE}"
	fi

	eval value=\$$(echo ${var})
	echo "${value}"
}

get_function_from_file()
{
	local function="$1"
	local file="$2"

	# source /etc/mage.rc to get the includes right
	source /etc/mage.rc.global
	source /etc/mage.rc

	# set the right arch
	ARCH="${CURARCH}"

	# evaluate the value
	source ${file} $> /dev/null
	export -f ${function}
}

CURPCAT=$(get_value_from_file PCAT ${SMAGEFILE})
if [[ ${USE_UNIONFS} = true ]]
then
	INSTALLDB_BUILDROOT=$(get_value_from_file INSTALLDB ${BUILDROOT}/chroot/etc/mage.rc)
else
	INSTALLDB_BUILDROOT=$(get_value_from_file INSTALLDB ${BUILDROOT}/etc/mage.rc)
fi
CURSPLITPACKAGES="$(get_value_from_file SPLIT_PACKAGES ${SMAGEFILE})"
PKGTYPE="$(get_value_from_file PKGTYPE ${SMAGEFILE})"

# set some proper traps
trap "trap_exit" SIGINT SIGTERM

if [[ ${USE_UNIONFS} = true ]]
then
	# install layeredfs direcories
	[[ ! -d ${BUILDROOT_CHROOT} ]] && sudo install -d ${BUILDROOT_CHROOT}
	[[ ! -d ${BUILDROOT_WRITEABLE} ]] && sudo install -d ${BUILDROOT_WRITEABLE}
	[[ ! -d ${BUILDROOT_LAYEREDFS} ]] && sudo install -d ${BUILDROOT_LAYEREDFS}

	# mount layeredfs
	sudo mount -t unionfs -o dirs=${BUILDROOT_WRITEABLE}=rw:${BUILDROOT_CHROOT}=ro unionfs ${BUILDROOT_LAYEREDFS}
	BUILDROOT=${BUILDROOT_LAYEREDFS}
fi

sudo mount -t proc proc ${BUILDROOT}/proc
sudo mount -t sysfs sysfs ${BUILDROOT}/sys
sudo mount -o bind /dev ${BUILDROOT}/dev

# abort if the package is already installed in BUILDROOT
if [[ -z ${CURSPLITPACKAGES} ]]
then
	if [[ -d ${BUILDROOT}/${INSTALLDB_BUILDROOT}/${CURPCAT}/${CURPNAME}-${CURPVER}-${CURPBUILD} ]]
	then
		die "Package '${CURPCAT}/${CURPNAME}-${CURPVER}-${CURPBUILD}' already installed in ${BUILDROOT}. Aborting!"
	fi
else
	for i in ${CURSPLITPACKAGES}
	do
		if [[ -d ${BUILDROOT}/${INSTALLDB_BUILDROOT}/${CURPCAT}/${i}-${CURPVER}-${CURPBUILD} ]]
		then
			SPLITINSTALLED+=" ${CURPCAT}/${i}-${CURPVER}-${CURPBUILD}"
		fi
	done
	if [[ ! -z ${SPLITINSTALLED} ]]
	then
		echo "Following SPLIT-Packages are installled from ${CURPCAT}/${CURPNAME}-${CURPVER}-${CURPBUILD} in ${BUILDROOT}:"
		for i in ${SPLITINSTALLED}
		do
			echo "     ${i}"
		done
		die "Aborted."
	fi
fi

# delete md5 if exist
[[ -f ${MD5DIR}/${MD5NAME} ]] && rm ${MD5DIR}/${MD5NAME}

if [[ ${USE_SRCTARBALL} != true ]]
then
	/sbin/smage2 download ${SMAGEFILE}
	/sbin/smage2 calcmd5 ${SMAGEFILE} ${MD5DIR}
	pushd ${SMAGEDIR}/../
	svn add ${CURPNAME}
	pushd ${SMAGEDIR}
	svn add md5
	svn add ${SMAGENAME} md5/${MD5NAME}

	[[ -z ${SVN_COMMIT} ]] && SVN_COMMIT="auto added: ver bump to ${CURPVER}-${CURPBUILD}"
	svn commit -m "${SVN_COMMIT}" ../${CURPNAME} ${SMAGENAME} md5 md5/${MD5NAME}
	popd
fi

sudo -s << EOF
:> ${BUILDROOT}/.installrc

echo "export LC_ALL=C" >> ${BUILDROOT}/.installrc
# do not start any services, set mage bootstrap flag
echo "export MAGE_BOOTSTRAP=true" >> ${BUILDROOT}/.installrc
echo "REPO=${REPO}" >> ${BUILDROOT}/.installrc
echo "CURPNAME=${CURPNAME}" >> ${BUILDROOT}/.installrc
echo "CURPVER=${CURPVER}" >> ${BUILDROOT}/.installrc
echo "CURPBUILD=${CURPBUILD}" >> ${BUILDROOT}/.installrc
echo "CURARCH=${CURARCH}" >> ${BUILDROOT}/.installrc
echo "CURDISTROTAG=${CURDISTROTAG}" >> ${BUILDROOT}/.installrc
echo "CURSPLITPACKAGES=\"${CURSPLITPACKAGES}\"" >> ${BUILDROOT}/.installrc
echo "SMAGENAME=${SMAGENAME}" >> ${BUILDROOT}/.installrc
echo "MD5NAME=${MD5NAME}" >> ${BUILDROOT}/.installrc
echo "PKGNAME=${PKGNAME}" >> ${BUILDROOT}/.installrc
echo "SPKGNAME=${SPKGNAME}" >> ${BUILDROOT}/.installrc
echo '/usr/bin/whoami' >> ${BUILDROOT}/.installrc
echo 'source /etc/profile' >> ${BUILDROOT}/.installrc
#echo 'echo PATH=\${PATH};read' >> ${BUILDROOT}/.installrc
echo 'cd /var/cache/mage/smage/trunk/${REPO}' >> ${BUILDROOT}/.installrc
#echo 'cd /var/cache/mage/smage/branches/magellan-next/${REPO}' >> ${BUILDROOT}/.installrc
echo 'svn update distribution' >> ${BUILDROOT}/.installrc
echo 'svn update include' >> ${BUILDROOT}/.installrc
echo 'svn update ${CURPNAME}' >> ${BUILDROOT}/.installrc
echo 'USE_SRCTARBALL=${USE_SRCTARBALL}' >> ${BUILDROOT}/.installrc
echo 'if [[ \${USE_SRCTARBALL} != true ]];then '  >> ${BUILDROOT}/.installrc
	echo "/sbin/smage2 ${RESUME} /var/cache/mage/smage/trunk/${REPO}/${CURPNAME}/${SMAGENAME} || exit 1" >> ${BUILDROOT}/.installrc
	#echo "/sbin/smage2 ${RESUME} /var/cache/mage/smage/branches/magellan-next/${REPO}/${CURPNAME}/${SMAGENAME} || exit 1" >> ${BUILDROOT}/.installrc
echo 'else'  >> ${BUILDROOT}/.installrc
	echo 'echo "Fetching SRC_TARBALL"' >> ${BUILDROOT}/.installrc
	echo 'pushd /var/tmp/magebuild > /dev/null' >> ${BUILDROOT}/.installrc
	echo "SRCTARBALL=${CURPNAME}-${CURPVER}-${CURPBUILD}.${SRCPKGSUFFIX}" >> ${BUILDROOT}/.installrc
	echo "SRCTARBALL_URI=${SRCTARBALL_URI}" >> ${BUILDROOT}/.installrc
	echo '/usr/bin/wget -c \${SRCTARBALL_URI}/\${SRCTARBALL}' >> ${BUILDROOT}/.installrc
	echo '/sbin/smage2 -st \${SRCTARBALL}' >> ${BUILDROOT}/.installrc
	echo '[[ -f \${SRCTARBALL} ]] && rm \${SRCTARBALL}' >> ${BUILDROOT}/.installrc
	echo 'popd > /dev/null' >> ${BUILDROOT}/.installrc
echo 'fi' >> ${BUILDROOT}/.installrc
echo '[ ! -d /BUILDED ] && install -d /BUILDED' >> ${BUILDROOT}/.installrc
echo '[ ! -d /BUILDED/sources ] && install -d /BUILDED/sources' >> ${BUILDROOT}/.installrc
echo 'if [[ ! -z \${CURSPLITPACKAGES} ]]' >> ${BUILDROOT}/.installrc
echo 'then' >> ${BUILDROOT}/.installrc
	echo 'for package in \${CURSPLITPACKAGES}' >> ${BUILDROOT}/.installrc
	echo 'do' >> ${BUILDROOT}/.installrc
		echo '/sbin/mage install \${package} || exit 1' >> ${BUILDROOT}/.installrc
		echo 'mv /var/cache/mage/packages/\${package}-${CURPVER}-${CURARCH}${CURDISTROTAG}-${CURPBUILD}.${PKGSUFFIX} /BUILDED' >> ${BUILDROOT}/.installrc
	echo 'done' >> ${BUILDROOT}/.installrc
echo 'else' >> ${BUILDROOT}/.installrc
	echo '/sbin/mage install ${CURPNAME} || exit 1' >> ${BUILDROOT}/.installrc
	echo 'mv /var/cache/mage/packages/${PKGNAME} /BUILDED' >> ${BUILDROOT}/.installrc
echo 'fi' >> ${BUILDROOT}/.installrc
echo 'mv /var/cache/mage/packages/sources/${SRCPKGNAME} /BUILDED/sources' >> ${BUILDROOT}/.installrc
echo 'rm -rf /var/cache/mage/sources/${CURPNAME}' >> ${BUILDROOT}/.installrc
EOF

sudo -H chroot ${BUILDROOT} /bin/bash /.installrc
sudo rm ${BUILDROOT}/.installrc

if [[ ! -z ${CURSPLITPACKAGES} ]]
then
	for package in ${CURSPLITPACKAGES}
	do
		# get pkgtyp
		get_function_from_file split_info_${package} ${SMAGEFILE}
		split_info_${package}
		if [[ ${PKGTYPE} = virtual ]]
		then
			unset PKGTYPE
			continue
		fi
		if [[ ${NOPKGBUILD} = true ]]
		then
			unset NOPKGBUILD
			continue
		fi

		pkgname="${package}-${CURPVER}-${CURARCH}${CURDISTROTAG}-${CURPBUILD}.${PKGSUFFIX}"

		if [[ -f ${BUILDROOT}/BUILDED/${pkgname} ]]
		then
			scp ${BUILDROOT}/BUILDED/${pkgname} ${SSHLOGIN}/${CURARCH}/
		else
			die "Error: ${BUILDROOT}/BUILDED/${pkgname} missing!"
		fi
	done
else
	if [[ ${PKGTYPE} = virtual ]]
	then
		unset PKGTYPE
		echo "Virtual Package: nothing to upload"
	elif [[ -f ${BUILDROOT}/BUILDED/${PKGNAME} ]]
	then
		scp ${BUILDROOT}/BUILDED/${PKGNAME} ${SSHLOGIN}/${CURARCH}/
	else
		die "Error: ${BUILDROOT}/BUILDED/${PKGNAME} missing!"
	fi
fi

if [[ -f ${BUILDROOT}/BUILDED/sources/${SRCPKGNAME} ]]
then
	scp ${BUILDROOT}/BUILDED/sources/${SRCPKGNAME} ${SSHLOGIN}/src/
else
	echo "Error: ${BUILDROOT}/BUILDED/${SRCPKGNAME} missing!"
#	die
fi

[[ -d /var/cache/mage/sources/${CURPNAME} ]] && rm -rf /var/cache/mage/sources/${CURPNAME}

# umount layeredfs
is_loc_mounted "${BUILDROOT}/dev" && sudo umount ${BUILDROOT}/dev
is_loc_mounted "${BUILDROOT}/proc" && sudo umount ${BUILDROOT}/proc
is_loc_mounted "${BUILDROOT}/sys" && sudo umount ${BUILDROOT}/sys
if [[ ${USE_UNIONFS} = true ]]
then
	is_loc_mounted "${BUILDROOT_LAYEREDFS}" && sudo umount ${BUILDROOT_LAYEREDFS}
fi

# if we don't break before; all things are right - regardless if $? is not zero
# because some things like src-pkg creation may be disabled
exit 0