mage-next/src/smage2.in

#!/bin/bash

# compiles/installs .smage2 source install scripts
# needs pkgbuild_dir (mage)

# SMAGE2
# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/smage2.sh,v 1.62 2007-11-28 10:47:50 niro Exp $

#01.10.2004
#	added ccache support
#	added distcc support

# set default user mage.rc
: ${MAGERC="/etc/mage.rc"}

## setup ##
PKGSUFFIX="mpk"
SRCPKGSUFFIX="mpks"
SMAGENAME="$1"
SMAGESUFFIX="smage2"
MLIBDIR=/usr/lib/mage
SMAGEVERSION="$( < ${MLIBDIR}/version)"
SMAGE_LOG_CMD="tee -a /var/log/smage/${PKGNAME}.log"


## only for tests -> normally in /etc/rc.d/init.d/functions
COLRED="\033[1;6m\033[31m"
COLGREEN="\033[1;6m\033[32m"
COLYELLOW="\033[1;6m\033[33m"
COLBLUE="\033[1;6m\033[34m"
COLMAGENTA="\033[1;6m\033[35m"
COLWHITE="\033[1;6m\033[37m"
COLGRAY="\033[0;6m\033[37m"
COLBOLD="\033[1m"
COLDEFAULT="\033[0m"

if [[ ${NOCOLORS} = true ]]
then
	COLRED=""
	COLGREEN=""
	COLYELLOW=""
	COLBLUE=""
	COLMAGENTA=""
	COLWHITE=""
	COLGRAY=""
	COLBOLD=""
	COLDEFAULT=""
fi

# export default C locale
export LC_ALL=C

source /etc/mage.rc.global
source ${MAGERC}

# set PKGDIR and BUILDDIR and BINDIR to MROOT
if [[ -n ${MROOT} ]]
then
	export PKGDIR=${MROOT}/${PKGDIR}
	export BUILDDIR=${MROOT}/${BUILDDIR}
	export BINDIR=${MROOT}/${BINDIR}
fi

showversion()
{
	echo -en "Magellan Source Install v${SMAGEVERSION} "
	echo -e  "-- Niels Rogalla (niro@magellan-linux.de)"
}

die()
{
	xtitleclean
	echo -e ${COLRED}"Exited ${BASH_SOURCE} at line no ${BASH_LINENO}."${COLDEFAULT}
	echo "SMAGE failed: $@"
	exit 1
}

xtitle()
{
	if [[ ${TERM} = xterm ]]
	then
		echo -ne "\033]0;[sMage: $@]\007"
	fi
	return 0
}

xtitleclean()
{
	if [[ ${TERM} = xterm ]]
	then
		echo -ne "\033]0;\007"
	fi
	return 0
}

syncsmage2()
{
	xtitle "Updating smage2-script tree ..."
	local i
	for i in ${SMAGE2RSYNC}
	do
		rsync ${RSYNC_FETCH_OPTIONS} ${i} ${SMAGESCRIPTSDIR}
		if [[ $? = 0 ]]
		then
			break
		else
			continue
		fi
	done

	# clean up backup files (foo~)
	find ${SMAGESCRIPTSDIR} -name *~ -exec rm '{}' ';'

	xtitleclean
}

# $1 filename
get_db_md5_sum()
{
	local DB_FILE
	local MD5_FILE
	local i

	DB_ENTRY="$(basename $1)"
	MD5_FILE="${MD5DIR}/$(basename ${SMAGENAME} ${SMAGESUFFIX})"

	i="$(cat ${MD5_FILE}| grep ${DB_ENTRY} | cut -d' ' -f1)"
	
	echo "${i}"
}

download_sources()
{

	[ -z "${SRC_URI}" ] && echo -e "\nNothing declared to download.\n" && return 0

	local EOA=${#SRC_URI[*]}
	local my_SRC_URI
	local my_SRC_URI_DEST
	local my_SRC_URI_MIRROR
	local my_SOURCEDIR
	local DB_MD5_SUM_FILE="${MD5DIR}/$(basename ${SMAGENAME} .${SMAGESUFFIX}).md5"
	local FETCHING
	local i mirror


	# install SRCDIR/PNAME if not exist
	[ ! -d ${SOURCEDIR}/${PNAME} ] && install -d ${SOURCEDIR}/${PNAME}

	# check if FETCHING is needed
	( cd ${SOURCEDIR}/${PNAME}; md5sum --check ${DB_MD5_SUM_FILE} &> /dev/null )
	if [[ $? = 0 ]]
	then
		# md5's ok, no fetching needed
		FETCHING=false
	else
		FETCHING=true
	fi

	for ((i=0; i < EOA; i++))
	do
		# url to file
		my_SRC_URI="$(echo ${SRC_URI[${i}]} | cut -d' ' -f1)"

		# subdir in sources dir; the my_SRCI_URI file goes to there
		my_SRC_URI_DEST="$(echo ${SRC_URI[${i}]} | cut -d' ' -f2)"

		# if my_src_uri_dest is not equal my_src_uri; than an other dir is used
		if [[ ${my_SRC_URI_DEST} != ${my_SRC_URI} ]]
		then
			my_SOURCEDIR="${SOURCEDIR}/${PNAME}/${my_SRC_URI_DEST}"
		else
			my_SOURCEDIR="${SOURCEDIR}/${PNAME}"
		fi

		# create the SOURCEDIR
		install -d ${my_SOURCEDIR}

		# if an mirrored file than replace first the mirror uri
		if [[ -n $(echo ${my_SRC_URI} | grep 'mirror://') ]]
		then
			for mirror in ${MIRRORS}
			do
				my_SRC_URI_MIRROR="$(echo ${my_SRC_URI} | sed "s|mirror:/|${mirror}/sources|g")"

				if [[ ${FETCHING} = true ]]
				then
					echo -e "${COLBLUE}==>${COLGREEN} fetching ${my_SRC_URI_MIRROR}${COLDEFAULT}"
					wget \
						--passive-ftp \
						--tries 3 \
						--continue \
						--progress bar \
						--output-document="${my_SOURCEDIR}/$(basename ${my_SRC_URI_MIRROR})" \
						"${my_SRC_URI_MIRROR}"
					if [[ $? = 0 ]]
					then
						break
					else
						continue
					fi
				fi
			done
		elif [[ -n $(echo ${my_SRC_URI} | grep 'sourceforge://') ]]
		then
			for mirror in ${SOURCEFORGE_MIRRORS}
			do
				my_SRC_URI_MIRROR="$(echo ${my_SRC_URI} | sed "s|sourceforge:/|${mirror}|g")"

				if [[ ${FETCHING} = true ]]
				then
					echo -e "${COLBLUE}==>${COLGREEN} fetching ${my_SRC_URI_MIRROR}${COLDEFAULT}"
					wget \
						--passive-ftp \
						--tries 3 \
						--continue \
						--progress bar \
						--output-document="${my_SOURCEDIR}/$(basename ${my_SRC_URI_MIRROR})" \
						"${my_SRC_URI_MIRROR}"
					if [[ $? = 0 ]]
					then
						break
					else
						continue
					fi
				fi
			done
		elif [[ -n $(echo ${my_SRC_URI} | grep 'gnu://') ]]
		then
			for mirror in ${GNU_MIRRORS}
			do
				my_SRC_URI_MIRROR="$(echo ${my_SRC_URI} | sed "s|gnu:/|${mirror}|g")"

				if [[ ${FETCHING} = true ]]
				then
					echo -e "${COLBLUE}==>${COLGREEN} fetching ${my_SRC_URI_MIRROR}${COLDEFAULT}"
					wget \
						--passive-ftp \
						--tries 3 \
						--continue \
						--progress bar \
						--output-document="${my_SOURCEDIR}/$(basename ${my_SRC_URI_MIRROR})" \
						"${my_SRC_URI_MIRROR}"
					if [[ $? = 0 ]]
					then
						break
					else
						continue
					fi
				fi
			done
		elif [[ -n $(echo ${my_SRC_URI} | grep 'kde://') ]]
		then
			for mirror in ${KDE_MIRRORS}
			do
				my_SRC_URI_MIRROR="$(echo ${my_SRC_URI} | sed "s|kde:/|${mirror}|g")"

				if [[ ${FETCHING} = true ]]
				then
					echo -e "${COLBLUE}==>${COLGREEN} fetching ${my_SRC_URI_MIRROR}${COLDEFAULT}"
					wget \
						--passive-ftp \
						--tries 3 \
						--continue \
						--progress bar \
						--output-document="${my_SOURCEDIR}/$(basename ${my_SRC_URI_MIRROR})" \
						"${my_SRC_URI_MIRROR}"
					if [[ $? = 0 ]]
					then
						break
					else
						continue
					fi
				fi
			done
		elif [[ -n $(echo ${my_SRC_URI} | grep 'gnome://') ]]
		then
			for mirror in ${GNOME_MIRRORS}
			do
				my_SRC_URI_MIRROR="$(echo ${my_SRC_URI} | sed "s|gnome:/|${mirror}|g")"

				if [[ ${FETCHING} = true ]]
				then
					echo -e "${COLBLUE}==>${COLGREEN} fetching ${my_SRC_URI_MIRROR}${COLDEFAULT}"
					wget \
						--passive-ftp \
						--tries 3 \
						--continue \
						--progress bar \
						--output-document="${my_SOURCEDIR}/$(basename ${my_SRC_URI_MIRROR})" \
						"${my_SRC_URI_MIRROR}"
					if [[ $? = 0 ]]
					then
						break
					else
						continue
					fi
				fi
			done
		else
			if [[ ${FETCHING} = true ]]
			then
				echo -e "${COLBLUE}==>${COLGREEN} fetching ${my_SRC_URI}${COLDEFAULT}"
				wget \
					--passive-ftp \
					--tries 3 \
					--continue \
					--progress bar \
					--output-document="${my_SOURCEDIR}/$(basename ${my_SRC_URI})" \
					"${my_SRC_URI}"
			fi
		fi

		# unset them to be shure
		unset my_SRC_URI
		unset my_SRC_URI_DEST
		unset my_SRC_URI_MIRROR
		unset my_SOURCEDIR
	done

	# recheck md5 sums
	echo
	echo -e "${COLBLUE}===${COLGREEN} Checking MD5 sums:${COLDEFAULT}"
	( cd ${SOURCEDIR}/${PNAME}; md5sum --check ${DB_MD5_SUM_FILE} ) || die "md5 failed"
	echo

	# not needed anymore
	unset SRC_URI
}

# dummy function, used if that not exist in smage file
src_prepare()
{
	echo "no src_prepare defined"
	sleep 2
	return 0
}

# dummy function, used if that not exist in smage file
src_compile()
{
	echo "no src_compile defined"
	sleep 2
	return 0
}

# dummy function, used if that not exist in smage file
src_install()
{
	echo "no src_install defined"
	sleep 2
	return 0
}

mlibdir()
{
	local libdir=lib
	[[ ${ARCH} = x86_64 ]] && libdir=lib64

	echo "${libdir}"
}

mconfigure()
{
	if [ -x ./configure ]
	then
		./configure \
			--prefix=/usr \
			--host=${CHOST} \
			--build=${CHOST} \
			--mandir=/usr/share/man \
			--infodir=/usr/share/info \
			--datadir=/usr/share \
			--sysconfdir=/etc \
			--localstatedir=/var/lib \
			--libdir=/usr/$(mlibdir) \
			"$@" || die "mconfigure failed"
	else
		echo "configure is not an executable ..."
		exit 1
	fi
}

minstall()
{
	if [ -f ./[mM]akefile -o -f ./GNUmakefile ]
	then
		make prefix=${BINDIR}/usr \
			datadir=${BINDIR}/usr/share \
			infodir=${BINDIR}/usr/share/info \
			localstatedir=${BINDIR}/var/lib \
			mandir=${BINDIR}/usr/share/man \
			sysconfdir=${BINDIR}/etc \
			libdir=${BINDIR}/usr/$(mlibdir) \
			"$@" install || die "minstall failed"
        else
                die "no Makefile found"
        fi
}

mmake()
{
	make ${MAKEOPTS} ${EXTRA_EMAKE} "$@"
}

munpack()
{
	local SRCFILE
	local IFTAR
	local DEST

	SRCFILE=$1

	if [[ -z $2 ]]
	then
		DEST=${BUILDDIR}
	else
		DEST=$2
	fi

	[[ ! -d ${DEST} ]] && install -d ${DEST}

	case "${SRCFILE##*.}" in
		bz2)
			IFTAR="$(basename $SRCFILE .bz2)"
			IFTAR="${IFTAR##*.}"
			if [[ ${IFTAR} = tar ]]
			then
				tar --no-same-owner -xvjf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".tar.bz2 unpack failed."
			else
				pushd ${DEST} > /dev/null
				bzcat ${SOURCEDIR}/${PNAME}/${SRCFILE} > ${DEST}/$(basename ${SRCFILE} .bz2) || die ".bz2 unpack failed."
				popd > /dev/null
			fi
			;;
		gz)
			IFTAR="$(basename $SRCFILE .gz)"
			IFTAR="${IFTAR##*.}"
			if [[ ${IFTAR} = tar ]]
			then
				tar --no-same-owner -xvzf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".tar.gz unpack failed."
			else
				pushd ${DEST} > /dev/null
				zcat ${SOURCEDIR}/${PNAME}/${SRCFILE} > ${DEST}/$(basename ${SRCFILE} .gz) || die ".gz unpack failed."
				popd > /dev/null
			fi
			;;
		tbz2|mpks|mpk)
			tar --no-same-owner -xvjf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".tbz2 unpack failed."
			;;
		tgz)
			tar --no-same-owner -xvzf ${SOURCEDIR}/${PNAME}/${SRCFILE} -C ${DEST} || die ".tgz unpack failed."
			;;
		rar)
			unrar x ${SOURCEDIR}/${PNAME}/${SRCFILE} ${DEST}  || die ".rar unpack failed."
			;;
		zip|xpi)
			unzip ${SOURCEDIR}/${PNAME}/${SRCFILE} -d ${DEST} || die ".zip unpack failed."
			;;
		rpm)
			pushd ${DEST} > /dev/null
			rpm2targz ${SOURCEDIR}/${PNAME}/${SRCFILE} || die "rpm2targz: .rpm unpack failed."
			tar --no-same-owner -xvzf ${SRCFILE/.rpm/.tar.gz} || die "tar: .rpm unpack failed."
			if [[ -f ${DEST}/${SRCFILE/.rpm/.tar.gz} ]]
			then
				rm ${DEST}/${SRCFILE/.rpm/.tar.gz}
			fi
			;;
		*)
			die "munpack failed"
			;;
	esac
}

mpatch()
{
	local PATCHOPTS
	local PATCHFILE
	local i

	PATCHOPTS=$1
	PATCHFILE=$2

	if [[ -z $2 ]]
	then
		PATCHFILE=$1

		## patch level auto-detection, get patch level
		for ((i=0; i < 10; i++))
		do
			patch --dry-run -Np${i} -i ${SOURCEDIR}/${PNAME}/${PATCHFILE} > /dev/null
			if [[ $? = 0 ]]
			then
				PATCHOPTS="-Np${i}"
				break
			fi
		done
	fi

	echo -e "${COLBLUE}*** ${COLGREEN}Applying patch '${PATCHFILE}'${COLDEFAULT}"
	patch "${PATCHOPTS}" -i ${SOURCEDIR}/${PNAME}/${PATCHFILE}
}

mlibtoolize()
{
	local opts="$@"
	[[ -z ${opts} ]] && opts="--copy --force"

	libtoolize ${opts} || die "running: mlibtoolize ${opts}"
}

minstalldocs()
{
	local docfiles
	docfiles="$@"

	if [ ! -d ${BINDIR}/usr/share/doc/${PNAME}-${PVER} ]
	then
		install -d ${BINDIR}/usr/share/doc/${PNAME}-${PVER} || die "creating doc dirs."
	fi

	for i in ${docfiles}
	do
		cat ${i} | gzip -9c > ${i}.gz || die "gzipping docs."
		install -m 0644 ${SRCDIR}/${i}.gz \
			${BINDIR}/usr/share/doc/${PNAME}-${PVER} || die "coping docs."
	done
}

mstriplibs()
{
	local stripdir="$@"

	[ -z "${stripdir}" ] && stripdir=${BINDIR}
	find ${stripdir} | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
}

mstripbins()
{
	local stripdir="$@"

	[ -z "${stripdir}" ] && stripdir=${BINDIR}
	find ${stripdir} | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
}

sminclude()
{
	local i

	if [[ -n "$@" ]]
	then
		for i in $@
		do
			echo "--- Including ${SMAGESCRIPTSDIR}/include/${i}.sminc"
			source ${SMAGESCRIPTSDIR}/include/${i}.sminc
		done
		echo
	fi
}

setup_distcc_environment()
{
	if [ -x /usr/bin/distcc ]
	then
		echo -e "${COLBLUE}---${COLGREEN} Using DistCC for compilation ...${COLDEFAULT}"
		export PATH=/usr/$(mlibdir)/distcc/bin:${PATH} || die "distcc: could not export new $PATH"

		export DISTCC_DIR="${DISTCC_DIR}" || die "distcc_dir export failed"

		# creating distcc tempdir
		install -o distcc -g daemon -d ${DISTCC_DIR}
		chmod 1777 ${DISTCC_DIR}
	fi
}

setup_ccache_environment()
{
	if [ -x /usr/bin/ccache ]
	then
		echo -e "${COLBLUE}---${COLGREEN} Using CCache for compilation ...${COLDEFAULT}"
		export PATH=/usr/$(mlibdir)/ccache/bin:${PATH} || die "ccache: could not export new $PATH"
	fi
}


# fixes given dependencies to match a MAGE_TARGET
# fix_mage_deps -target s/depend # <-- note -target !
fix_mage_deps()
{
	local target="$1"
	local depend="$2"
	local NDEPEND
	local sym dep cat pver pname

	# deps and provides are special
	# they must be fixed to match the target

	# run this only if target and depend is not empty
	if [ -n "${target}" ] && [ -n "${depend}" ]
	then
		# fix DEPEND
		while read sym dep
		do
			# ignore empty lines
			[[ -z ${dep} ]] && continue

			cat="$(dirname ${dep})"
			# change if not virtual
			if [[ ${cat} = virtual ]]
			then
				pname="$(basename ${dep})"
			else
				# fix pver to target-pver
				# to get pname-target-pver

				# doing it backwards !
				pver="${dep##*-}"
				# full pver
				pname="$(basename ${dep/-${pver}/})${target}-${pver}"
			fi

			# do not add empty lines
			if [ -z "${NDEPEND}" ]
			then
				NDEPEND="${sym} ${cat}/${pname}"
			else
				NDEPEND="${NDEPEND}
	${sym} ${cat}/${pname}"
			fi

			unset cat pname pver
		done << EOF
${depend}
EOF
		# set NDEPEND to DEPEND
		depend="${NDEPEND}"
	fi

	echo "${depend}"
}

# build_mage_script(): helper functions for regen_mage_tree()
# generates an mage file with given information in smage file
# needs at least:
#   PNAME                 name of pkg
#   PVER                  version
#   PBUILD                revision
#   PCATEGORIE            categorie of the pkg
#   STATE                 state of pkg stable|unstable|old
#   DESCRIPTION           va short description (opt)
#   HOMEPAGE              homepage (opt)
#   DEPEND                runtime dependencies (opt)
#   SDEPEND               add. needed deps to build the pkg (opt)
#   PROVIDE               provides a virtual (opt)
#
# special tags:
#   PKGTYPE               type of pkg
#   INHERITS              which functions get included
#   SPECIAL_FUNCTIONS     special functions which should also be added
#                         warning: they get killed before the build starts !
#
#   MAGE_TREE_DEST        target destination of the generated tree
#   REGEN_MAGE_TREE       set to 'true' to enable this
#
# gets called with build_mage_script target
build_mage_script()
{
	local magefile
	local dest
	local target
	local sym
	local depname

	# if MAGE_TREE_DEST not set use BUILDDIR
	: ${MAGE_TREE_DEST=${BUILDDIR}/mage-tree}

	# determinate which suffix this mage file should get, if any
	[ -n "$1" ] && target="-$1"

	# name of magefile
	magefile="${PNAME}${target}-${PVER}-${PBUILD}.mage"

	# destination to magefile
	dest="${MAGE_TREE_DEST}/${PCATEGORIE}/${PNAME}${target}/${magefile}"

	# show what we are doing
	echo -e "${COLBLUE}===${COLGREEN} generating mage file:${COLDEFAULT}"
	echo "${dest}"

	install -d "$(dirname ${dest})"
	# now build the mage file
	> ${dest}

	# header
	echo '# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/smage2.sh,v 1.62 2007-11-28 10:47:50 niro Exp $' >> ${dest}
	echo  >> ${dest}

	# pgkname and state
	echo "PKGNAME=\"${PNAME}${target}-${PVER}-\${ARCH}-${PBUILD}\"" >> ${dest}
	echo "STATE=\"${STATE}\"" >> ${dest}
	echo >> ${dest}

	# description and homepage
	echo "DESCRIPTION=\"${DESCRIPTION}\"" >> ${dest}
	echo "HOMEPAGE=\"${HOMEPAGE}\"" >> ${dest}
	echo >> ${dest}

	# special tags and vars
	echo "PKGTYPE=\"${PKGTYPE}\""  >> ${dest}

	# echo MAGE_TARGETS ## note -target is needed !
	echo "MAGE_TARGETS=\"${target}\"" >> ${dest}
	echo >> ${dest}

	# add special vars
	if [ -n "${SPECIAL_VARS}" ]
	then
		local i
		for i in ${SPECIAL_VARS}
		do
			# being tricky here :)
			echo "${i}=\"$(eval echo \$${i})\"" >> ${dest}
		done
		echo  >> ${dest}
	fi

	# add at least all includes
	if [ -n "${INHERITS}" ]
	then
		echo -n "minclude"  >> ${dest}
		local i
		for i in ${INHERITS}
		do
			echo -n " ${i}"  >> ${dest}
		done
		echo  >> ${dest}
	fi
	echo >> ${dest}

	# deps and provides
	echo "DEPEND=\"$(fix_mage_deps "${target}" "${DEPEND}")\"" >> ${dest}
	echo >> ${dest}
	echo "SDEPEND=\"$(fix_mage_deps "${target}" "${SDEPEND}")\"" >> ${dest}
	echo >> ${dest}
	echo "PROVIDE=\"${PROVIDE}\"" >> ${dest}
	echo >> ${dest}

	# add special functions
	if [ -n "${SPECIAL_FUNCTIONS}" ]
	then
		local i
		for i in ${SPECIAL_FUNCTIONS}
		do
			# add to mage (quotes needed !)
			typeset -f "${i}" >> ${dest}
			echo >> ${dest}
			# unset to be safe (quotes needed !)
			#unset "${i}" <-- later to get every target built
		done
		echo  >> ${dest}
	fi

	# pre|post-install|removes
	typeset -f preinstall >> ${dest}
	echo  >> ${dest}
	typeset -f postinstall >> ${dest}
	echo  >> ${dest}
	typeset -f preremove >> ${dest}
	echo  >> ${dest}
	typeset -f postremove >> ${dest}
	echo  >> ${dest}
}

regen_mage_tree()
{
	local i

	# build them only if requested
	if [[ ${REGEN_MAGE_TREE} = true ]]
	then
		# run it without targets
		if [ -z "${MAGE_TARGETS}" ]
		then
			echo
			build_mage_script
			echo
		else

			# build for each target an mage file
			# run it with several targets
			for i in ${MAGE_TARGETS}
			do
				echo
				build_mage_script "${i}"
				echo
			done
		fi
	fi

	# now unset all uneeded vars to be safe
	# unset PKGNAME <-- don't do that; smage needs this var
	# unset to be safe (quotes needed !)
#	for i in ${SPECIAL_FUNCTIONS}
#	do
#		unset "${i}"
#	done
	unset SPECIAL_FUNCTIONS
#	for i in ${SPECIAL_VARS}
#	do
#		unset "${i}"
#	done
	unset SPECIAL_VARS
	unset STATE
	unset DESCRIPTION
	unset HOMEPAGE
	unset PKGTYPE
	unset INHERITS
	unset DEPEND
	unset SDEPEND
	unset PROVIDE
	unset preinstall
	unset postinstall
	unset preremove
	unset postremove
}

export_inherits()
{
	local include="$1"
	shift

	while [ "$1" ]
	do
		local functions="$1"

		# sanity checks
		[ -z "${include}" ] && die "export_inherits(): \$include not given."
		[ -z "${functions}" ] && die "export_inherits(): \$functions not given."

		eval "${functions}() { ${include}_${functions} ; }"

		# debug
		[[ ${MAGEDEBUG} = on ]] && typeset -f "${functions}"

		shift
	done
}

generate_package_md5sum()
{
	local dest
	local pcat
	local pname
	local pver
	local pbuild
	local parch
	local target
	local pkgname

	# very basic getops
	for i in $*
	do
		case $1 in
			--pcat|-c) shift; pcat="$1" ;;
			--pname|-n) shift; pname="$1" ;;
			--pver|-v) shift; pver="$1" ;;
			--pbuild|-b) shift; pbuild="$1" ;;
			--parch|a) shift; parch="$1" ;;
			--target|t) shift; target="$1" ;;
		esac
		shift
	done

	# sanity checks; abort if not given
	[ -z "${pcat}" ] && die "generate_package_md5sum() \$pcat not given."
	[ -z "${pname}" ] && die "generate_package_md5sum() \$pname not given."
	[ -z "${pver}" ] && die "generate_package_md5sum() \$pver not given."
	[ -z "${pbuild}" ] && die "generate_package_md5sum() \$pbuild not given."
	[ -z "${parch}" ] && die "generate_package_md5sum() \$parch not given."

	# check needed global vars
	[ -z "${PKGDIR}" ] && die "generate_package_md5sum() \$PKGDIR not set."
	[ -z "${PKGSUFFIX}" ] && die "generate_package_md5sum() \$PKGSUFFIX not set."

	# fix target as it may be empty !
	[ -n "${target}" ] && target="-${target}"

	# build pkgname
	pkgname="${pname}${target}-${pver}-${parch}-${pbuild}"

	# build pkg-md5-sum only if requested
	if [[ ${REGEN_MAGE_TREE} = true ]]
	then
		echo -ne "${COLBLUE}===${COLGREEN} generating md5's for ${pkgname}.${PKGSUFFIX} ... ${COLDEFAULT}"

		# abort if not exist
		if [ ! -f ${PKGDIR}/${pkgname}.${PKGSUFFIX} ]
		then
			echo -e "${COLRED}! exists${COLDEFAULT}"
			return 0
		fi

		# if MAGE_TREE_DEST not set use BUILDDIR
		: ${MAGE_TREE_DEST=${BUILDDIR}/mage-tree}

		# setup md5 dir
		dest="${MAGE_TREE_DEST}/${pcat}/${pname}/md5"
		install -d ${dest}

		# gen md5sum
		( cd ${PKGDIR}; md5sum "${pkgname}.${PKGSUFFIX}" ) \
			> ${dest}/${pkgname}.md5
		echo -e "${COLGREEN}done${COLDEFAULT}"
	fi
}

source_pkg_build()
{
	if [[ ${PKGTYPE} = virtual ]]
	then
		echo "Virtual package detected; src-pkg-tarball not necessary ..."
		return 0
	fi

	if [[ ! -d ${SOURCEDIR}/${PNAME} ]]
	then
		echo "No SRC_URI defined; src-pkg-tarball not necessary ..."
		return 0
	fi

	[ -z "${SRCPKGDIR}" ] && die "\$SRCPKGDIR not found. Please setup your ${MAGERC} correctly."

	echo -e "${COLGREEN}Creating source package tarball ... ${COLDEFAULT}"

	# include the smage2 file
	cp ${SMAGENAME} ${SOURCEDIR}/${PNAME}

	( cd ${SOURCEDIR}; tar cvjf ${BUILDDIR}/${PNAME}-${PVER}-${PBUILD}.tar.bz2 ${PNAME}; )
	[[ ! -d ${SRCPKGDIR} ]] && install -d ${SRCPKGDIR}
	mv ${BUILDDIR}/${PNAME}-${PVER}-${PBUILD}.tar.bz2 ${SRCPKGDIR}/${PNAME}-${PVER}-${PBUILD}.${SRCPKGSUFFIX}

	echo -e "${COLGREEN}Source package ${COLBLUE}${PNAME}-${PVER}-${PBUILD}.${SRCPKGSUFFIX} ${COLGREEN}successfully builded.${COLDEFAULT}"
}

step_by_step()
{
	if [[ ${STEP_BY_STEP} = true ]]
	then
		echo "${COLRED}Step-by-step enabled! Paused after $1.${COLDEFAULT}"
		echo "Press [enter] to continue"
		read
	fi
}


# print out our version
showversion
echo

if [ -z "$1" ]
then
	echo "No .smage2 file given. Exiting."
	echo
	exit 1
fi

# updating smage2-scripts
if [[ $1 = update ]]
then
	if [ ! -d ${SOURCEDIR} ]
	then
		install -d ${SOURCEDIR}
	fi
	syncsmage2
	exit 0
fi

# creates md5sums for smages to given dir
if [[ $1 = calcmd5 ]]
then
	if [ $# -ge 3 ]
	then
		SMAGENAME="$2"
		MD5DIR="$3"
		source ${SMAGENAME} || die "download source failed"

		# overridable sourcedir; must be declared after source of the smage2
		CALC_SOURCEDIR="${CALC_SOURCEDIR:="${SOURCEDIR}/${PNAME}"}"

		[ -z "${SRC_URI}" ] && die "Nothing declared to calculate."

		# end of array
		EOA=${#SRC_URI[*]}

		[ ! -d ${MD5DIR} ] && install -d ${MD5DIR}

		# clear md5sum file
		MY_MD5_FILE="${MD5DIR}/$(basename ${SMAGENAME} .${SMAGESUFFIX}).md5"
		echo -n > ${MY_MD5_FILE}

		for ((i=0; i < EOA; i++))
		do
			# url to file
			my_SRC_URI="$(echo ${SRC_URI[${i}]} | cut -d' ' -f1)"

			# subdir in sources dir; the my_SRCI_URI file goes to there
			my_SRC_URI_DEST="$(echo ${SRC_URI[${i}]} | cut -d' ' -f2)"

			# if my_src_uri_dest is not equal my_src_uri; than an other dir is used
			if [[ ${my_SRC_URI_DEST} != ${my_SRC_URI} ]]
			then
				MY_SRC_FILE="${my_SRC_URI_DEST}/$(basename ${SRC_URI[${i}]})"
			else
				MY_SRC_FILE="$(basename ${SRC_URI[${i}]})"
			fi

			if [ -e "${CALC_SOURCEDIR}/${MY_SRC_FILE}" ]
			then
				echo "calculating $(basename ${MY_SRC_FILE}) ..."
				( cd ${CALC_SOURCEDIR}; md5sum "${MY_SRC_FILE}" ) >> ${MY_MD5_FILE}
			else
				echo "WARNING: File '$(basename ${MY_SRC_FILE}) not found in ${CALC_SOURCEDIR}."
			fi
			
			# unset them to be shure
			unset my_SRC_URI
			unset my_SRC_URI_DEST
			unset my_SRC_URI_MIRROR
			unset my_SOURCEDIR
		done

		echo
		echo "Calculating of md5 sums for '$(basename ${SMAGENAME} .${SMAGESUFFIX})' done."
		echo
	else
		echo "Usage: Calculating MD5 Sums:"
		echo "    $(basename $0) calcmd5 /path/to/SMAGENAME /path/to/MD5DIR"
		echo
		echo
		echo "Export the CALC_SOURCEDIR variable to override current SOURCEDIRs."
		echo
		exit 1
	fi

	exit 0
fi

# download sources
if [ "$1" == "download" -a -n "$2" ]
then
	if [ ! -d ${SMAGESCRIPTSDIR} ]
	then
		install -d ${SMAGESCRIPTSDIR}
	fi

	# get smage
	SMAGENAME="$2"
	MD5DIR="$(dirname ${SMAGENAME})/md5"
	source ${SMAGENAME} || die "download source failed"

	download_sources
	exit 0
fi

# regen-mage-tree
if [ "$1" == "only-regen-tree" -a -n "$2" ]
then
	# set correct SMAGENAME
	SMAGENAME="$2"
	MD5DIR="$(dirname ${SMAGENAME})/md5"
	source ${SMAGENAME} || die "regen: smage2 not found"

	regen_mage_tree

	# build md5sum for existing packages
	generate_package_md5sum \
		--pcat "${PCATEGORIE}" \
		--pname "${PNAME}" \
		--pver "${PVER}" \
		--pbuild "${PBUILD}" \
		--parch "${ARCH}" \
		--target "${target}"

	exit 0
fi

if [ "$1" == "--create-src-tarball" -a -n "$2" ]
then
	# set correct SMAGENAME
	SMAGENAME="$2"
	MD5DIR="$(dirname ${SMAGENAME})/md5"

	echo -e "${COLGREEN}create-src-tarball called for ${COLBLUE}${SMAGENAME}${COLGREEN} ...${COLDEFAULT}"

	source ${SMAGENAME} || die "regen: smage2 not found"

	if [[ -d ${SOURCEDIR}/${PNAME} ]]
	then
		echo -e "${COLGREEN}Deleting old sourcefiles ${COLBLUE}${SOURCEDIR}/${PNAME}${COLGREEN} ...${COLDEFAULT}"
		rm -rf ${SOURCEDIR}/${PKGNAME}
	fi

	download_sources
	source_pkg_build ${SMAGENAME}
	exit 0
fi

if [ "$1" == "--src-tarball" -a -n "$2" ] || [ "$1" == "-st" -a -n "$2" ]
then
	SRCPKGTARBALL="${2}"
	USE_SRC_PKG_TARBALL=true

	# abort if given file is not a source pkg
	[[ ${SRCPKGTARBALL##*.} != ${SRCPKGSUFFIX} ]] && die "${SRCPKGTARBALL} is not a valid src-pkg file."

	# set correct SMAGENAME; use the one that the src_pkg provide
	# /path/to/SOURCEDIR/PNAME/SMAGENAME
	SMAGENAME="${SOURCEDIR}/$(basename ${SRCPKGTARBALL%-*-*})/$(basename ${SRCPKGTARBALL} .${SRCPKGSUFFIX}).${SMAGESUFFIX}"

	echo -e "${COLGREEN}Using src-tarball ${COLBLUE}${SRCPKGTARBALL}${COLGREEN} ...${COLDEFAULT}"

	[[ ! -d ${SOURCEDIR} ]] && install -d ${SOURCEDIR}

	# unpack srctarball
	[[ ! -f ${SRCPKGTARBALL} ]] && die "Error: ${SRCPKGTARBALL} does not exist. Aborting."	

	tar xvjf ${SRCPKGTARBALL} -C ${SOURCEDIR} || die  "Error unpackung src-tarball ${SRCPKGTARBALL}"

	[[ ! -f ${SMAGENAME} ]] && die "Included smage2 file in src-tarball not found: ${SMAGENAME}"
fi


[ ! -e ${MLIBDIR}/pkgbuild_dir.sh ] && die "Error: ${MLIBDIR}/pkgbuild_dir.sh not found. Aborting."
[ -z "$(basename ${SMAGENAME} | grep .${SMAGESUFFIX})" ] &&
	die "File '$(basename ${SMAGENAME})' is not a sMage v${SMAGEVERSION} file. Aborting."
[ -z "${SOURCEDIR}" ] && die "\$SOURCEDIR not found. Please setup your ${MAGERC} correctly."
[ -z "${SMAGESCRIPTSDIR}" ] && die "\$SMAGESCRIPTSDIR not found. Please setup your ${MAGERC} correctly."
[ -z "${SMAGE2RSYNC}" ] && die "\$SMAGE2RSYNC not found. Please setup your ${MAGERC} correctly."
[ -z "${BINDIR}" ] && die "no BINDIR variable found in ${MAGERC}"
[ -z "${CHOST}" ] && die "no CHOST variable found in ${MAGERC}"
[ -z "${CFLAGS}" ] && die "no CFLAGS variable found in ${MAGERC}"
[ -z "${CXXFLAGS}" ] && die "no CXXFLAGS variable found in ${MAGERC}"

source ${SMAGENAME} || die "source failed"
PKGNAME="${PNAME}-${PVER}-${ARCH}-${PBUILD}"
MD5DIR="$(dirname ${SMAGENAME})/md5"

xtitle "Compiling ${PKGNAME}"
echo -e "${COLGREEN}Compiling ${PKGNAME}${COLDEFAULT}"

# auto regen mage tree if requested
regen_mage_tree

if [[ ${CREATE_SRC_PKG_TARBALL} = true ]]
then
	if [[ -d ${SOURCEDIR}/${PNAME} ]]
	then
		echo -e "${COLBLUE}===${COLGREEN} deleting old sourcefiles ${COLBLUE}${SOURCEDIR}/${PNAME}${COLGREEN} ...${COLDEFAULT}"
		rm -rf ${SOURCEDIR}/${PNAME}
	fi
fi

# download sources
[[ ${USE_SRC_PKG_TARBALL} != true ]] && download_sources

# fixes some issues with these functions
export -f src_prepare || die "src_prepare export failed"
export -f src_compile || die "src_compile export failed"
export -f src_install || die "src_install export failed"

# fixes some compile issues
export CHOST="${CHOST}" || die "CHOST export failed"
export CFLAGS="${CFLAGS}" || die "CFLAGS export failed"
export CXXFLAGS="${CFLAGS}" || die "CXXFLAGS export failed"
export BINDIR="${BINDIR}" || die "BINDIR export failed"
export MAKEOPTS="${MAKEOPTS}" || die "MAKEOPTS export failed"


# setup distcc
# setup for distcc goes *before* ccache, so ccache comes before distcc in path
[[ ${SMAGE_USE_DISTCC} = true ]] && setup_distcc_environment

# setup ccache
[[ ${SMAGE_USE_CCACHE} = true ]] && setup_ccache_environment

# small sleep to show our settings
sleep 1

# cleans up build if a previously one exists
if [ -d ${BUILDDIR} ]
then
	rm -rf ${BUILDDIR}/* || die "couldn't cleanup \$BUILDDIR."
fi
install -d ${BUILDDIR} || die "couldn't create \$BUILDDIR."

# cleans up srcdir if a previously unpacked one exists
if [ -d ${SRCDIR} ]
then
	rm -rf ${SRCDIR}
fi

# cleans up bindir if a previous build exists or creates a new one
if [ -d ${BINDIR} ]
then
	rm -rf ${BINDIR}
fi
install -d ${BINDIR} || die "couldn't create \$BINDIR."

# cleans up package temp dir if a previous build exists
if [ -d ${BUILDDIR}/${PKGNAME} ]
then
	rm -rf ${BUILDDIR}/${PKGNAME}
fi

# cleans up timestamp if one exists
if [ -f /var/tmp/timestamp ]
then
	mage rmstamp
fi

# setup build loggins
[[ ! -d /var/log/smage ]] && install -d /var/log/smage
echo -e "### Build started on $(date) ###\n" > /var/log/smage/${PKGNAME}.log

src_prepare || die "src_prepare failed" | ${SMAGE_LOG_CMD}
step_by_step $_
src_compile || die "src_compile failed" | ${SMAGE_LOG_CMD}
step_by_step $_
src_install || die "src_install failed" | ${SMAGE_LOG_CMD}
step_by_step $_


# compressing doc, info & man files
if [ -d ${BUILDDIR}/builded/usr/share/man ]
then
	echo -e "${COLBLUE}===${COLGREEN} compressing man-pages ...${COLDEFAULT}"
	${MLIBDIR}/compressdoc -g -9 ${BUILDDIR}/builded/usr/share/man
fi

if [ -d ${BUILDDIR}/builded/usr/share/info ]
then
	echo -e "${COLBLUE}===${COLGREEN} compressing info-pages ...${COLDEFAULT}"
	${MLIBDIR}/compressdoc -g -9 ${BUILDDIR}/builded/usr/share/info
fi

# stripping all bins and libs
case ${NOSTRIP} in
	true|TRUE|yes|y)
		echo -e "NOSTRIP=true detected; Package will not be stripped ..."
		;;
	*)
		echo -e "${COLBLUE}===${COLGREEN} stripping binaries ...${COLDEFAULT}"
		mstripbins ${BINDIR}
		echo -e "${COLBLUE}===${COLGREEN} stripping libraries ...${COLDEFAULT}"
		mstriplibs ${BINDIR}
		;;
esac

# the new buildpkg command
case ${NOPKGBUILD} in
	true|TRUE|yes|y)
		echo -e "NOPGKBUILD=true detected; Package will not be build ..."
		;;
	*)
		# build several targets
		if [ -n "${MAGE_TARGETS}" ]
		then
			for target in ${MAGE_TARGETS}
			do
				# check if an special target_pkgbuild exists
				if typeset -f ${target}_pkgbuild > /dev/null
				then
					# run it
					${target}_pkgbuild
				fi
				# now create the target package
				${MLIBDIR}/pkgbuild_dir.sh \
					"${PNAME}-${target}-${PVER}-${ARCH}-${PBUILD}" \
					${BINDIR} || die "target: ${target} package-build failed"

				# build pkg-md5-sum if requested
				generate_package_md5sum \
					--pcat "${PCATEGORIE}" \
					--pname "${PNAME}" \
					--pver "${PVER}" \
					--pbuild "${PBUILD}" \
					--parch "${ARCH}" \
					--target "${target}"

				echo -e "${COLGREEN}\nPackage ${PNAME}-${target}-${PVER}-${ARCH}-${PBUILD} successfully builded.\n${COLDEFAULT}"
			done
		else
			${MLIBDIR}/pkgbuild_dir.sh ${PKGNAME} ${BINDIR} || die "package-build failed"

			# build pkg-md5-sum if requested
			generate_package_md5sum \
				--pcat "${PCATEGORIE}" \
				--pname "${PNAME}" \
				--pver "${PVER}" \
				--pbuild "${PBUILD}" \
				--parch "${ARCH}"

			echo -e "${COLGREEN}\nPackage ${PKGNAME} successfully builded.\n${COLDEFAULT}"
		fi

		# build src-pkg-tarball if requested
		[[ ${CREATE_SRC_PKG_TARBALL} = true ]] && source_pkg_build ${SMAGENAME}
		;;
esac

if [[ ${SMAGE_BUILD_LOGGING} != false ]]
then
	bzip2 -9f /var/log/smage/${PKGNAME}.log
else
	[[ -f /var/log/smage/${PKGNAME}.log ]] && rm /var/log/smage/${PKGNAME}.log
fi

# for sure
unset NOPKGBUILD
unset NOSTRIP

xtitleclean