#!/bin/bash
# generate metadata files for packages - called after smage2 has done packaging

source /etc/mage.rc.global
source /etc/mage.rc
source /usr/lib/mage/mage4.functions.sh

die()
{
	echo -e "Exited ${BASH_SOURCE} at line no ${BASH_LINENO}."
	echo -e "$@"
	exit 1
}

SMAGEFILE="$1"
METADIR=/var/cache/mage/meta

source $1

DEST="${METADIR}/${PNAME}/${PNAME}-${PVER}-${PBUILD}"

install -d ${DEST} || die
install -d ${DEST}/${ARCH} || die

# basic meta data
echo "${PNAME}" > ${DEST}/meta
echo "${PCATEGORIE}" >> ${DEST}/meta
echo "${PVER}" >> ${DEST}/meta
echo "${PBUILD/r/}" >> ${DEST}/meta
echo "${STATE}" >> ${DEST}/meta
echo "${DESCRIPTION}" >> ${DEST}/meta
echo "${HOMEPAGE}" >> ${DEST}/meta
echo "${PKGTYPE}" >> ${DEST}/meta
echo "${MAGE_TARGETS}" >> ${DEST}/meta
echo "${INHERITS}" >> ${DEST}/meta

# arch specific meta data
[[ -f ${PKGDIR}/${PNAME}-${PVER}-${ARCH}-${PBUILD}.${PKGSUFFIX} ]] &&
	MD5=$(md5sum ${PKGDIR}/${PNAME}-${PVER}-${ARCH}-${PBUILD}.${PKGSUFFIX} | cut -d' ' -f1)
[[ -e ${BUILDDIR}/builded ]] &&
	SIZE="$(du -hDs ${BUILDDIR}/builded | cut -d $'\t' -f1)"
[[ -f ${BUILDDIR}/${PNAME}-${PVER}-${ARCH}-${PBUILD}/.mtime ]] &&
	MTIME="$(< ${BUILDDIR}/${PNAME}-${PVER}-${ARCH}-${PBUILD}/.mtime)"
echo "${MD5}" > ${DEST}/${ARCH}/desc
echo "${SIZE}" >> ${DEST}/${ARCH}/desc
echo "${MTIME}" >> ${DEST}/${ARCH}/desc

# depends
echo "${DEPEND}" > ${DEST}/${ARCH}/depend

# sdepends
echo "${SDEPEND}" > ${DEST}/${ARCH}/sdepend

# provides
echo "${PROVIDES}" > ${DEST}/${ARCH}/provides

# content
#   char
#   dirs
#   files
#   pipes
#   symlinks
for i in char dirs files pipes symlinks
do
	SRC="${BUILDDIR}/${PNAME}-${PVER}-${ARCH}-${PBUILD}/.${i}"
	[[ -f ${SRC} ]] && cat ${SRC} | bzip2 -9 > ${DEST}/${ARCH}/${i}.bz2
done

# preinstall etc
# routines.sh

do_preinst=0
do_postinst=0
do_prerm=0
do_postrm=0
do_script=0

[[ -n $(typeset -f preinstall) ]] && touch ${DEST}/preinstall && do_preinst=1 && do_script=1
[[ -n $(typeset -f postinstall) ]] && touch ${DEST}/postinstall && do_postinst=1 && do_script=1
[[ -n $(typeset -f preremove) ]] && touch ${DEST}/preremove && do_prerm=1 && do_script=1
[[ -n $(typeset -f postremove) ]] && touch ${DEST}/postremove && do_postrm=1 && do_script=1

# create it only if do_script=1
if [[ ${do_script} = 1 ]]
then
	# create a routines script
	routines="${DEST}/routines.sh"

	echo "#!/bin/sh" > ${routines}
	echo "# routines.sh script for ${PNAME}-${PVER}-${PBUILD}" >> ${routines}
	echo >> ${routines}

	# special functions and variables
	if [[ -n ${SPECIAL_VARS} ]]
	then
		for i in ${SPECIAL_VARS}
		do
			# being tricky here :)
			echo "${i}=\"$(eval echo \$${i})\"" >> ${routines}
		done
		echo  >> ${routines}
	fi

	# add special functions
	if [[ -n ${SPECIAL_FUNCTIONS} ]]
	then
		for i in ${SPECIAL_FUNCTIONS}
		do
			# add to mage (quotes needed !)
			typeset -f "${i}" >> ${routines}
			echo >> ${routines}
			# unset to be safe (quotes needed !)
			unset "${i}"
		done
		echo  >> ${routines}
	fi

	# postinstall and co
	for i in preinstall postinstall preremove postremove
	do
		if [[ -n $(typeset -f "${i}") ]]
		then
			typeset -f "${i}" >> ${routines}
			echo >> ${routines}
		fi
	done

	# create start logic
	echo >> ${routines}
	echo 'case $1 in' >> ${routines}
	[[ ${do_preinst} = 1 ]] && echo '	preinstall) preinstall ;;' >> ${routines}
	[[ ${do_postinst} = 1 ]] && echo '	postinstall) postinstall ;;' >> ${routines}
	[[ ${do_prerm} = 1 ]] && echo '	preremove) preremove ;;' >> ${routines}
	[[ ${do_postrm} = 1 ]] && echo '	postremove) postremove ;;' >> ${routines}
	echo '	*) echo "error unkown option \"$1\" ..." ;;' >> ${routines}
	echo 'esac' >> ${routines}
	echo >> ${routines}
fi