#!/bin/bash
# -*- coding: utf-8-unix -*-

TEXTDOMAIN=vbootstrap
TEXTDOMAINDIR=/usr/share/locale

Usage(){
    cat<<EOF
$(basename $0) @@VBUILDER_VERSION@@ $(echo $([ -z "@@VBUILDER_REVISION@@" ] || echo "(r@@VBUILDER_REVISION@@)"))
Usage:	$(basename $0) {--profile [profile]} {--version [version]} {--arch [arch]} {--category [categories]} {--fetch-url [fetch_url]} {--dist-upgrade} {--target [target]} {--no-build-essential} {--with-compat32} {--rpmbuild-define [macro_expr]} {--rpmbuild-with [bcond_with]} {--rpmbuild-without [bcond_with]} {--sign} {--no-install} {--debug} {--help} {--bootstrap-dir [directory]} {--unionfs-dir [directory]} {--cache-dir [directory]} {--built-rpms-dir [directory]} {clean|build|build-rpm [src.rpm]|install-rpm [arch.rpm|package]|remove-rpm [package]}
EOF

    echo $"
Options:
	--profile:		set a profile
	--version:		set [version] (default: ${VERSION})
	--arch:			set [arch] (default: ${UARCH})
	--category:		set [categories] (default: ${CATEGORIES})
	--fetch-url:		set [fetch_url] to fetch packages (default: ${VBOOTSTRAP_FETCH_URL})
	--dist-upgrade:		make VineSeed bootstrap via ${STABLE_VERSION}
	--unionfs:		cover a bootstrap with unionfs
	--target:		build rpms with [target]
	--no-build-essential:	do not install build-essential
	--with-compat32:	build rpms with compat32 on bootstrap
	--rpmbuild-define:	give a option --define [macro_expr] to rpmbuild
	--rpmbuild-with:	give a option --with [bcond_with] to rpmbuild
	--rpmbuild-without:	give a option --without [bcond_with] to rpmbuild
	--sign:			sign built rpms
	--no-install:		build only a source rpm - do NOT install a built rpm
	--login:		login in chroot as root user
	--bootstrap-dir:	set a bootstrap directory (default: ${VBOOTSTRAP_DIR})
	--unionfs-dir:		set a directory to store unionfs images of vbootstrap (default: ${UNIONFS_DIR})
	--cache-dir:		set a directory to cache rpms (default: ${CACHE_DIR})
	--built-rpms-dir:	set a directory to store built rpms in chroot (default: ${BUILT_RPMS_DIR})
	--debug:		enable debug mode
	--help:			show this help
"

    echo $"
Actions:
	clean:			clean the bootstrap of [version]
	build:			build a bootstrap of [version]
	build-rpm:		build [src.rpm] on a bootstrap
	install-rpm:		install [arch.rpm|package] on a bootstrap
	remove-rpm:		remove [package] on a bootstrap
"

    echo $"
Examples: 
* make a clean/plain build environment on the current archtecture:
$(basename $0) clean build
* build rpms from the specified source rpm:
$(basename $0) build-rpm [src.rpm]
* make a plain build environment for Vine Linux 6:
$(basename $0) --version 6 clean build
* make a i386 chroot on x86_64:
$(basename $0) --arch i386 clean build
* build a kernel package with target i686:
$(basename $0) --target i686 build-rpm [kernel src.rpm]
* build a compat32 package:
$(basename $0) --arch i386 --with-compat32 build-rpm [src.rpm]
"
    /usr/sbin/vbootstrap | sed -e s/^Usage:.*// -e s/^E:.*//
## TODO: output supported profiles and their names/comments
}

##############################################################################

initialize-variables(){
    ## set boolian variables
    with_profile=0
    with_setup_vbootstrap=0
    with_dist_upgrade=0
    with_unionfs=0
    with_sign=0
    with_no_install=0
    with_login=0
    with_debug=0
    with_actions=0
    with_ix86_on_x86_64=0
    with_category_main=0
    with_category_plus=0
    with_category_nonfree=0
    with_category_test=0
    with_category_proposed_updates=0
    with_category_security=0
    with_build_essential=1

    return 0
}

check-parameter(){
    [ -z "$*" ] && Usage && return 1

    while [ ! -z "$*" ]; do
	case $1 in
	    --help|help)
		setup-vbuilder ||:
		Usage
		return 1
		;;
	    --profile)
		shift
		with_profile=1
		PROFILE=$1
		check-next-parameter $1 || return 1
		;;
	    --version|--arch|--category|--fetch-url|--target|--rpmbuild-define|--rpmbuild-with|--rpmbuild-without|--bootstrap-dir|--unionfs-dir|--cache-dir|--built-rpms-dir)
		[ $with_actions -eq 1 ] && \
		    echo $"E: You can give no more options after actions" && \
		    return 1
		shift
		check-next-parameter $1 || return 1
		;;
	    --dist-upgrade|--unionfs|--with-compat32|--sign|--no-install|--login|--no-build-essential|--debug)
		[ $with_actions -eq 1 ] && \
		    echo $"E: You can give no more options after actions" && \
		    return 1
		;;
	    --build-rpm|build-rpm|--install-rpm|install-rpm|--remove-rpm|remove-rpm)
		with_actions=1
		shift
		check-next-parameter $1 || return 1
		;;
	    --build|build|--clean|clean)
		with_actions=1
		;;
	    *)
		echo $"E: Missing some parameters after $1"
		return 1
		;;
	esac
	shift
    done

    [ $with_actions -eq 0 ] && \
	echo $"E: You must give at least one action" && return 1

    return 0
}

check-next-parameter(){
    [ -z "$1" ] && echo $"E: Missing some parameters after $1" && return 1

    [ $(echo $1 | grep '^-') ] && \
	echo $"E: Missing some parameters after $1" && return 1

    return 0
}

## NOTE: setup-vbuilder() loads
##  - system wide configurations (from /etc/vbootstrap/vbuilder.conf)
##  - given profile (from /etc/vbootstrap/profile.d/*.conf)
##  - given command-line parameters 
## where given command-line parameters override the settings given profile, 
## and the settings given profile override system wide settings. 
## If you use a profile of vbuilder, you may not override the settings 
## given profile. 
setup-vbuilder(){
    ## check $SUDO_USER and $USERHELPER_UID
    RPM_SIGN_USER=$SUDO_USER
    if [ -z "${RPM_SIGN_USER}" ]; then
	[ -z "${USERHELPER_UID}" ] && \
	    echo $"W: \$SUDO_USER and \$USERHELPER_UID are empty" && \
	    return 1
	    
	RPM_SIGN_USER=$(getent passwd $USERHELPER_UID | cut -d":" -f1)
    fi
    ## get $RPM_SIGN_USER's home directory
    HOME=$(getent passwd $RPM_SIGN_USER |  cut -d":" -f6)

    ## load default settings
    VBUILDER_CONF=/etc/vbootstrap/vbuilder.conf
    if [ -r $VBUILDER_CONF ]; then
	. $VBUILDER_CONF
	[ $? -eq 1 ] && return 1
    fi
    [ -z "${CATEGORIES}" ] && \
	CATEGORIES=@@VBUILDER_CATEGORIES@@
    [ -z "${VBOOTSTRAP_FETCH_URL}" ] && \
	VBOOTSTRAP_FETCH_URL=@@VBUILDER_VBOOTSTRAP_FETCH_URL@@
    [ -z "${VBOOTSTRAP_DIR}" ] && \
	VBOOTSTRAP_DIR=@@VBUILDER_VBOOTSTRAP_DIR@@
    [ -z "${UNIONFS_DIR}" ] && \
	UNIONFS_DIR=@@VBUILDER_UNIONFS_DIR@@
    [ -z "${CACHE_DIR}" ] && \
	CACHE_DIR=@@VBUILDER_CACHE_DIR@@
    [ -z "${BUILT_RPMS_DIR}" ] && \
	BUILT_RPMS_DIR=@@VBUILDER_BUILT_RPMS_DIR@@

    ## set default version for vbootstrap
    VERSION=@@VBUILDER_DEFAULT_VERSION@@

    ## load profile
    if [ ${with_profile} -eq 1 ]; then
	[ ! -r /etc/vbootstrap/profile.d/${PROFILE}.conf ] && \
	    echo $"E: No such profile found: ${PROFILE}" && return 1

	. /etc/vbootstrap/profile.d/${PROFILE}.conf
	[ $? -eq 1 ] && return 1
    fi

    ## set current stable relase version
    STABLE_VERSION=@@VBUILDER_STABLE_VERSION@@

    ## set default chroot archtecture
    UARCH=$(uname -i)
    case "${UARCH}" in
	arm*)
	    UARCH="arm"
	    ;;
    esac

    return 0
}

setup-vbootstrap(){
    if [ ${with_setup_vbootstrap} -eq 0 ]; then
	with_setup_vbootstrap=1

	## check debug mode
	[ ${with_debug} -eq 1 ] && \
	    cat $VBUILDER_CONF && \
	    set && set -x

	## check some directories
	## Note: create $BUILT_RPMS_DIR in RPM_Build()
	[ -d $VBOOTSTRAP_DIR ] || mkdir -p $VBOOTSTRAP_DIR
	[ -d $CACHE_DIR ] || mkdir -p $CACHE_DIR

	## check chroot version
	case ${VERSION} in
	    4.2|5.2|6|6.5|VineSeed)
		;;
	    6.?)
	    	VERSION="6"
		;;
	    *)
		echo $"E: ${VERSION} is NOT supported"
		return 1
		;;
	esac

	case "${VARCH}" in
	    arm*)
		VARCH="arm"
		;;
	esac

	## check a chroot archtecture
	if [ -z ${VARCH} ]; then
	    VARCH=${UARCH}
	else
	    case "${VARCH}" in
		i386|x86_64)
		    [ "${UARCH}" = "ppc" -o "${UARCH}" = "arm" ] && \
			echo $"E: arch ${VARCH} is NOT supported on ${UARCH}" && return 1
		    ;;
		ppc)
		    [ "${UARCH}" = "i386" -o "${UARCH}" = "x86_64" -o "${UARCH}" = "arm" ] && \
			echo $"E: arch ${VARCH} is NOT supported on ${UARCH}" && return 1
		    ;;
		arm)
		    [ "${UARCH}" = "i386" -o "${UARCH}" = "x86_64" -o "${UARCH}" = "ppc" ] && \
			echo $"E: arch ${VARCH} is NOT supported on ${UARCH}" && return 1
		    ;;
	    esac
	fi

        ##!! 4.2 is NO support on VARCH=x86_64 or VARCH=arch
	if [ "${VERSION}" = "4.2" ]; then
	    if [ "${VARCH}" = "x86_64" -o "${VARCH}" = "arm" ]; then
		echo $"E: ${VERSION}_${VARCH} is NOT supported"
		return 1
	    fi
	fi

	## set base profile <version>_<arch>
	BASE_PROFILE=${VERSION}_${VARCH}

        ## check support ${BASE_PROFILE}
	if [ -z "$(/usr/sbin/vbootstrap | sed -e s/^Usage:.*// -e s/^E:.*// | grep -m 1 ${BASE_PROFILE})" ]; then
	    echo $"E: ${BASE_PROFILE} is NOT supported"
	    return 1
	fi

	## check ${VERSION} equals VineSeed*, when with_dist_upgrade=1
	if [ $with_dist_upgrade -eq 1 ]; then
	    if [ "${VERSION}" != "VineSeed" ]; then 
		echo $"E: version ${VERSION} does not support --dist-upgrade option"
		return 1
	    fi
	fi

	## support i386 chroot on x86_64 below: 
	[ "${UARCH}" = "x86_64" -a "${VARCH}" = "i386" ] && \
	    with_ix86_on_x86_64=1

	## check apt categories
	## "main" category is unconditionally permited
	with_category_main=1
	for cat in $(echo ${CATEGORIES} | sed -e "s/,/ /"g); do
	    case $cat in
		main)
		    with_category_main=1
		    ;;
		plus)
		    with_category_plus=1
		    ;;
		nonfree)
		    with_category_nonfree=1
		    ;;
		test)
                    ## "test" category only exists in VineSeed
		    [ "${VERSION}" = "VineSeed" ] || \
			echo $"E: No such category exists: $cat" && return 1
		    with_category_test=1
		    ;;
		proposed-updates)
                    ##!! "proposed-updates" category does not exist in 4.2
		    [ "${VERSION}" = "4.2" ] && \
			echo $"E: No such category exists: $cat" && return 1

		    with_category_proposed_updates=1
		    ;;
		security)
                    ## "security" category does not exist in VineSeed
		    [ "${VERSION}" = "VineSeed" ] && \
			echo $"E: No such category exists: $cat" && return 1
		    with_category_security=1
		    ;;
		*)
		    echo $"E: No such category exists: $cat" && return 1
		    ;;
	    esac
	done

	## check build target option ${TARGET}
	if [ ! -z "${TARGET}" ]; then
	    RPM_TARGET_LIST="$(cat /usr/lib/rpm/rpmrc | grep arch_canon: | sed -e "s/arch_canon:[[:blank:]]*\(.*\):.*/\1/")"
	    RPM_TARGET_LIST="${RPM_TARGET_LIST} noarch"
	    if [ -z "$(echo ${RPM_TARGET_LIST} | grep ${TARGET})" ]; then
		echo $"E: rpm build target ${TARGET} is NOT supported"
		return 1
	    fi
	fi

	## set ${RPM_PKG_ARCH_LIST}
	RPM_PKG_ARCH_LIST=" \
            RPMS/i386 RPMS/i486 RPMS/i586 RPMS/i686 RPMS/x86_64 RPMS/ppc \
            RPMS/noarch \
            RPMS/armv3l RPMS/armv4l RPMS/armv4tl \
            RPMS/armv5tejl RPMS/armv5tel RPMS/armv6l RPMS/armv7l \
            SRPMS"
	[ -z "${TARGET}" ] || \
	    RPM_PKG_ARCH_LIST="RPMS/${TARGET} ${RPM_PKG_ARCH_LIST}"

    fi

    ## set global variables
    BUILD_USER=vbuilder
    BUILD_DIR=/home/${BUILD_USER}/rpm
    if [ ${with_profile} -eq 1 ]; then
	BUILD_ROOT=${VBOOTSTRAP_DIR}/${PROFILE}
	UNIONFS_ROOT=${UNIONFS_DIR}/${PROFILE}
    else
	BUILD_ROOT=${VBOOTSTRAP_DIR}/${BASE_PROFILE}
	UNIONFS_ROOT=${UNIONFS_DIR}/${BASE_PROFILE}
    fi
    ARCHIVES_DIR=${BUILD_ROOT}/var/cache/apt/archives
    EXTERNAL_ARCHIVES_DIR=${CACHE_DIR}/${BASE_PROFILE}/apt/archives
    UNIONFS_WORK=${UNIONFS_DIR}/unionfs_work

    __chroot_sh="/usr/sbin/chroot ${BUILD_ROOT} /bin/sh -c -l"

    mkdir -p $VBOOTSTRAP_DIR

    return 0
}

setup-vbootstrap-rpm(){
    setup-vbootstrap || return 1

    ## check ${BUILD_ROOT}
    [ -d ${BUILD_ROOT} ] || Build
    ## setarch ix86 if ix86 chroot on x86_64 host
    [ $with_ix86_on_x86_64 -eq 1 ] && \
	__chroot_sh="/usr/sbin/chroot ${BUILD_ROOT} setarch ${VARCH} /bin/sh -c -l"

    DIST_RELEASE=$(cat ${BUILD_ROOT}/etc/vine-release | cut -f3 -d" " | cut -f1 -d.)

    if [ -f $RPM_PKG ]; then
	BASE_RPM_PKG=$(basename $RPM_PKG)
	cp -f $RPM_PKG $BUILD_ROOT${BUILD_DIR}
    else
	BASE_RPM_PKG=$RPM_PKG	
    fi

    return 0
}

## recover apt-get data on host/chroot
apt-get-update(){
    case $1 in
	--host)
	    echo -n $"apt-get update on host ... "
	    apt-get -qq update > /dev/null 2>&1
	    echo $"done."
	    ;;
	--chroot)
	    echo -n $"apt-get update on chroot ... "
	    $__chroot_sh 'apt-get -qq update' > /dev/null 2>&1
	    echo $"done."
	    ;;
	*)
	    echo apt-get-update: unknown option $1
	    exit 1
	    ;;
    esac
}

## mount-chroot {|--umount} [file system|name]
## support file systems: /home /tmp /sys /proc /dev/shm /dev/pts /dev
## support names: vfs archives_dir
## NOTE: /tmp needs for applications which use X
##       vfs is virtual file systems
##       archives_dir uses to mount ${EXTERNAL_ARCHIVES_DIR} to ${ARCHIVES_DIR}
##       unionfs_dir covers ${BUILD_ROOT} with unionfs
mount-chroot(){
    if [ "$1" = "--umount" ]; then
	mount-chroot-umount $2 || return 1
    else
	mount-chroot-mount $1 || return 1
    fi
    return 0
}

## mount-chroot-umount [file system|name]
mount-chroot-umount(){
    local fs=$1
    case $fs in
	/home|/tmp|/sys|/proc|/dev/shm|/dev/pts|/dev)
	    [ -d ${BUILD_ROOT}${fs} ] || return 1
	    [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] || \
    		umount ${BUILD_ROOT}${fs}
	    if [ ! -z "$(mount | grep ${BUILD_ROOT}${fs})" ]; then
		echo $"Retry lazy unmount ${BUILD_ROOT}${fs} ... "
		umount -l ${BUILD_ROOT}${fs}
		echo $"done."
	    fi
	    ;;
	vfs)
	    for dir in /sys /proc /dev/shm /dev/pts /dev; do
	    	mount-chroot-umount ${dir} || return 1
	    done
	    ;;
	archives_dir)
	    [ -d ${ARCHIVES_DIR} ] || return 1
	    [ -z "$(mount | grep ${ARCHIVES_DIR})" ] || \
    		umount ${ARCHIVES_DIR}
	    ;;
	unionfs_dir)
	    [ -d ${BUILD_ROOT} ] || return 1
	    [ -z "$(mount | grep ${BUILD_ROOT} | egrep '(unionfs|aufs|overlay)')" ] || \
		umount ${BUILD_ROOT}
	    if [ ! -z "$(mount | grep ${BUILD_ROOT} | egrep '(unionfs|aufs|overlay)')" ]; then
		echo $"Retry lazy unmount ${BUILD_ROOT} ... "
		umount -l ${BUILD_ROOT}
		echo $"done."
	    fi
	    ;;
	*)
	    echo mount-chroot-umount: unknown file system $fs
	    exit 1
	    ;;
    esac
    return 0
}

## mount-chroot-mount [file system|name]
mount-chroot-mount(){
    local fs=$1

    case $fs in
	/home)
	    [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
	    [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
		mount -o _netdev,rbind ${fs} ${BUILD_ROOT}${fs}
	    ;;
	/tmp|/dev)
	    [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
	    [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
		mount --bind -o _netdev ${fs} ${BUILD_ROOT}${fs}
	    ;;
	/sys)
	    [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
	    [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
		mount -o _netdev -t sysfs vbuildersysfs ${BUILD_ROOT}${fs}
	    ;;
	/proc)
	    [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
	    [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
		mount -o _netdev -t proc vbuilderproc ${BUILD_ROOT}${fs}
	    ;;
	/dev/shm)
	    [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
	    [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
		mount -o _netdev -t tmpfs vbuildertmpfs ${BUILD_ROOT}${fs}
	    ;;
	/dev/pts)
	    [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
	    [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
		mount -o gid=5,mode=620,_netdev -t devpts vbuilderdevpts ${BUILD_ROOT}${fs}
	    ;;
	vfs)
	    for dir in /dev /dev/pts /dev/shm /proc /sys; do
	    	mount-chroot-mount ${dir} || return 1
	    done
	    ;;
	archives_dir)
	    [ -d ${EXTERNAL_ARCHIVES_DIR} ] || mkdir -p ${EXTERNAL_ARCHIVES_DIR}
	    [ -d ${ARCHIVES_DIR} ] || mkdir -p ${ARCHIVES_DIR}
	    [ -z "$(mount | grep ${ARCHIVES_DIR})" ] && \
		mount --bind -o _netdev ${EXTERNAL_ARCHIVES_DIR} ${ARCHIVES_DIR}
	    [ -d ${ARCHIVES_DIR}/partial ] || mkdir -p ${ARCHIVES_DIR}/partial
	    ;;
	unionfs_dir)
	    if [ $with_unionfs -eq 1 ]; then
		[ -d ${UNIONFS_ROOT} ] || mkdir -p ${UNIONFS_ROOT}
		if [ -d ${UNIONFS_WORK} ]; then
		    #workdir needs emply
		    rm -rf ${UNIONFS_WORK}; mkdir -p ${UNIONFS_WORK}
		else
		    mkdir -p ${UNIONFS_WORK}
		fi
		/sbin/modprobe overlay >& /dev/null ||:
		/sbin/modprobe aufs >& /dev/null ||:
		#overlayfs
		if ( grep -q overlay /proc/filesystems ) ; then
		    [ -z "$(mount | grep ${UNIONFS_ROOT})" ] && \
			mount -t overlay overlay -o lowerdir=${BUILD_ROOT},upperdir=${UNIONFS_ROOT},workdir=${UNIONFS_WORK} ${BUILD_ROOT}
		#aufs
		elif ( grep -q aufs /proc/filesystems ) ; then
		    [ -z "$(mount | grep ${UNIONFS_ROOT})" ] && \
		        mount -t aufs -o br=${UNIONFS_ROOT}=rw:${BUILD_ROOT}=ro aufs ${BUILD_ROOT}
		else
		#unionfs
		    [ -z "$(mount | grep ${UNIONFS_ROOT})" ] && \
		        mount -t unionfs -o dirs=${UNIONFS_ROOT}=rw:${BUILD_ROOT}=ro unionfs ${BUILD_ROOT}
		    unionctl ${BUILD_ROOT} --list
		fi
	    fi
	    ;;
	*)
	    echo mount-chroot-mount: unknown file system $fs
	    exit 1
	    ;;
    esac
    return 0
}

## TODO: support spec-validator
## spec-validator [spec file]
spec-validator(){
    echo 
    return 0
}


##############################################################################

Clean(){
    setup-vbootstrap || return 1

    # mount-chroot --umount /home
    mount-chroot --umount /tmp
    mount-chroot --umount /dev/shm
    mount-chroot --umount /dev/pts
    mount-chroot --umount /proc
    mount-chroot --umount archives_dir
    mount-chroot --umount unionfs_dir
    apt-get-update --host

    ## We remark that we first remove /, and secondly remove /. 
    ## If we directly remove /, we obtained some non-empty directories: 
    ##   /dev/.udev/rules.d. 
    if [ $with_unionfs -eq 1 ]; then
	if [ -d ${UNIONFS_ROOT} ]; then
	    echo -n $"Cleaning build root ${UNIONFS_ROOT} via unionfs ... "
	    rm -rf ${UNIONFS_ROOT} 2>/dev/null
	    rm -rf ${UNIONFS_ROOT}
	    echo $"done."
	fi
    else
	if [ -d ${BUILD_ROOT} ]; then
	    echo -n $"Cleaning build root ${BUILD_ROOT} ... "
	    rm -rf ${BUILD_ROOT} 2>/dev/null
	    rm -rf ${BUILD_ROOT}
	    echo $"done."
	fi
    fi

    echo $"Cleanup a build farm for ${BUILD_ROOT} done."
    return 0
}

Build(){
    setup-vbootstrap || return 1

    if [ $with_dist_upgrade -eq 1 ]; then
	## make bootstrap of ${STABLE_VERSION}
	/usr/sbin/vbootstrap \
	    $(echo ${BASE_PROFILE} | sed -e "s/VineSeed/${STABLE_VERSION}/") \
	    ${VBOOTSTRAP_FETCH_URL} ${BUILD_ROOT} 2>&1 | \
	    egrep -v -e '^W: Duplicate sources.list entry' \
	             -e '^W: .*apt-get update'

	## aim apt-line to VineSeed
	sed -i "s/apt ${STABLE_VERSION}/apt VineSeed/g" \
	    ${BUILD_ROOT}/etc/apt/sources.list.d/main.list
    else
	/usr/sbin/vbootstrap \
	    ${BASE_PROFILE} ${VBOOTSTRAP_FETCH_URL} ${BUILD_ROOT} 2>&1 | \
	    egrep -v -e '^W: Duplicate sources.list entry' \
	             -e '^W: .*apt-get update'
    fi

    mount-chroot /proc
    mount-chroot archives_dir
    mount-chroot /dev/pts
    mount-chroot /dev/shm
    # mount-chroot /tmp
    # mount-chroot /home

    local __replace_fetch_url="sed -i -e s|@@VBUILDER_VBOOTSTRAP_FETCH_URL@@|${VBOOTSTRAP_FETCH_URL}|g"
    case ${VERSION} in
	4.2)
	    ##!! 4.2 has no apt-sourceslist-{plus,nonfree,proposed-updates} packages
	    $__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list
	    for i in main plus nonfree; do 
		[ ! -z "$(echo ${CATEGORIES} | grep ${i})" ] && continue
		sed -i -e "s, ${i},,g" ${BUILD_ROOT}/etc/apt/sources.list
	    done
	    $__chroot_sh 'apt-get -qq update && apt-get -qq -y dist-upgrade'
	    # [ $with_category_security -eq 1 ] && \
	    # 	echo 
	    ;;
	5.2|6|@@VBUILDER_STABLE_VERSION@@)
	    $__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list.d/main.list
	    $__chroot_sh 'apt-get -qq update && apt-get -qq -y dist-upgrade'
	    [ $with_category_plus -eq 1 ] && \
		$__chroot_sh 'apt-get -qq update && apt-get -qq -y install apt-sourceslist-plus' && \
		$__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list.d/plus.list
	    [ $with_category_nonfree -eq 1 ] && \
		$__chroot_sh 'apt-get -qq update && apt-get -qq -y install apt-sourceslist-nonfree' && \
		$__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list.d/nonfree.list
	    [ $with_category_proposed_updates -eq 1 ] && \
		$__chroot_sh 'apt-get -qq update && apt-get -qq -y install apt-sourceslist-proposed-updates' && \
		$__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list.d/proposed-updates.list
	    # [ $with_category_security -eq 1 ] && \
	    # 	echo 
	    ;;
	VineSeed)
	    $__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list.d/main.list
	    $__chroot_sh 'apt-get -qq update && apt-get -qq -y dist-upgrade'
	    [ $with_category_plus -eq 1 ] && \
		$__chroot_sh 'apt-get -qq update && apt-get -qq -y install apt-sourceslist-plus' && \
		$__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list.d/plus.list
	    [ $with_category_nonfree -eq 1 ] && \
		$__chroot_sh 'apt-get -qq update && apt-get -qq -y install apt-sourceslist-nonfree' && \
		$__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list.d/nonfree.list
	    [ $with_category_test -eq 1 ] && \
		$__chroot_sh 'apt-get -qq update && apt-get -qq -y install apt-sourceslist-test' && \
		$__replace_fetch_url ${BUILD_ROOT}/etc/apt/sources.list.d/test.list
	    ;;
    esac

    [ $with_dist_upgrade -eq 1 ] && \
	$__chroot_sh 'apt-get -qq update && apt-get -qq -y dist-upgrade'

    [ $with_build_essential -eq 1 ] && \
        $__chroot_sh 'apt-get -qq -y install build-essential'

    $__chroot_sh 'apt-get -qq -y install etcskel shadow-utils MAKEDEV'

    $__chroot_sh 'cd /dev && /sbin/MAKEDEV console'
    $__chroot_sh 'cd /dev && /sbin/MAKEDEV ptmx'
    $__chroot_sh 'cd /dev && /sbin/MAKEDEV null'
    $__chroot_sh 'cd /dev && /sbin/MAKEDEV zero'
    $__chroot_sh 'cd /dev && /sbin/MAKEDEV random'
    $__chroot_sh 'cd /dev && /sbin/MAKEDEV urandom'
    $__chroot_sh 'cd /dev && mkdir -p shm && chmod 777 shm'
    $__chroot_sh 'cd /dev && mkdir -p pts && chmod 755 pts'

    $__chroot_sh '/usr/sbin/pwconv'
    $__chroot_sh "/usr/sbin/useradd ${BUILD_USER}"

    ##!! for rpm-4.8.0 or higher
    ##!! (See http://trac.vinelinux.org/wiki/Vine6/AboutUpdateToolchain)
    if [ "${VERSION}" = "VineSeed" ]; then
	$__chroot_sh "sed -i -e 's/^%_topdir/#%_topdir/' /home/${BUILD_USER}/.rpmmacros"
    fi

    ## set local repositories (profile only)
    if [ ${with_profile} -eq 1 ]; then
	if [ ! -z "${LOCAL_REPOS}" ]; then
	    cat >${BUILD_ROOT}/etc/apt/sources.list.d/local.list<<EOF
${LOCAL_REPOS}
EOF
	$__chroot_sh "apt-get update"
	fi

	## additional base packages
	[ ! -z "${ADD_BASE_PKGS}" ] && \
	    $__chroot_sh "apt-get -y install ${ADD_BASE_PKGS}"	
    fi

    # mount-chroot --umount /home
    # mount-chroot --umount /tmp
    mount-chroot --umount /dev/shm
    mount-chroot --umount /dev/pts
    mount-chroot --umount archives_dir
    mount-chroot --umount /proc
    apt-get-update --host

    echo $"Making a build farm for ${BUILD_ROOT} done."
    return 0
}

RPM_Remove(){
    setup-vbootstrap-rpm || return 1
    mount-chroot unionfs_dir
    mount-chroot archives_dir
    mount-chroot /proc
    mount-chroot /dev/pts
    mount-chroot /dev/shm
    # apt-get-update --chroot

    [ -f $RPM_PKG ] && \
	echo $"E: $RPM_PKG is not a package name" && return 1
    $__chroot_sh "apt-get -y remove $BASE_RPM_PKG"

    mount-chroot --umount /dev/shm
    mount-chroot --umount /dev/pts
    mount-chroot --umount /proc
    mount-chroot --umount archives_dir
    mount-chroot --umount unionfs_dir
    # apt-get-update --host

    return 0
}

RPM_Install(){
    setup-vbootstrap-rpm || return 1
    mount-chroot unionfs_dir
    mount-chroot archives_dir
    mount-chroot /proc
    mount-chroot /dev/pts
    mount-chroot /dev/shm
    apt-get-update --chroot

    [ $with_category_nonfree -eq 1 ] && \
	[ ! -z "$(echo $BASE_RPM_PKG | grep -e 'self-build-' -e 'install-assist-')" ] && \
	$__chroot_sh 'rpm -q --quiet self-build-setup || apt-get -qq -y install self-build-setup'

    $__chroot_sh "cd ${BUILD_DIR} && apt-get -y install $BASE_RPM_PKG"

    mount-chroot --umount /dev/shm
    mount-chroot --umount /dev/pts
    mount-chroot --umount /proc
    mount-chroot --umount archives_dir
    mount-chroot --umount unionfs_dir
    apt-get-update --host

    return 0
}

RPM_Build(){
    [ ! -f ${RPM_PKG} ] && \
	echo $"E: No such file found: ${RPM_PKG}" && return 1

    ## check the extension of given $RPM_PKG
    local RPM_PKG_EXT=${RPM_PKG##*.}
    case ${RPM_PKG_EXT} in
	spec)
	    ## In this case, 
	    ## the file ${RPM_PKG} is a spec file!
	    # spec-validator ${RPM_PKG} || return 1
	    # return 1

	    ## We assign the variable ${RPM_PKG}
	    ## the src.rpm generated by the spec file ${RPM_PKG}. 
	    RPM_PKG=$(rpm -E "%{_srcrpmdir}")/$(rpm -q --qf "%{name}-%{version}-%{release}\n" --specfile ${RPM_PKG} | head -n 1).src.rpm
	    ;;
	rpm)
	    RPM_PKG_EXT=$(echo ${RPM_PKG} | sed -e "s|.*\.\(src\.rpm\)$|\1|")
	    [ "${RPM_PKG_EXT}" != "src.rpm" ] && \
		echo $"E: $RPM_PKG is NOT a source RPM package" && return 1
	    ;;
	*)
	    echo $"The action build-rpm cannot work such extension: ${RPM_PKG_EXT}"
	    return 1
	    ;;
    esac

    setup-vbootstrap-rpm || return 1
    mount-chroot unionfs_dir
    mount-chroot archives_dir
    mount-chroot /proc
    mount-chroot /dev/pts
    mount-chroot /dev/shm
    apt-get-update --chroot
    
    [ ! -f ${RPM_PKG} ] && \
	echo $"E: No such file found: ${RPM_PKG}" && return 1

    RPM_PKG_USER=$(stat -c %U $RPM_PKG)
    RPM_PKG_GROUP=$(stat -c %G $RPM_PKG)
    [ ! -z "${SUDO_UID}" ] && RPM_PKG_USER=${SUDO_UID}
    [ ! -z "${SUDO_GID}" ] && RPM_PKG_GROUP=${SUDO_GID}
    local __install="install -p -v -o ${RPM_PKG_USER} -g ${RPM_PKG_GROUP}"

    ## make src.rpm for $VERSION
    $__chroot_sh "cd ${BUILD_DIR} && su ${BUILD_USER} -c 'rpm -ivh $BASE_RPM_PKG'"
    $__chroot_sh "cd ${BUILD_DIR} && su ${BUILD_USER} -c 'rpmbuild -bs --nodeps --clean --rmsource --rmspec $RPM_OPTS ${BUILD_DIR}/SPECS/*.spec'"


    ## change ${DIST_RELEASE}
    BASE_RPM_PKG=$(echo $BASE_RPM_PKG | sed -e "s/vl[0-9]*\([A-Za-z]*[0-9A-Za-z]*\)\./vl${DIST_RELEASE}\1\./")

    ## rebuild $BASE_RPM_PKG on ${DIST_RELEASE}
    $__chroot_sh "cd ${BUILD_DIR}/SRPMS && apt-get -o APT::Install::Virtual=true -y build-dep $BASE_RPM_PKG"
    $__chroot_sh "cd ${BUILD_DIR}/SRPMS && su ${BUILD_USER} -c 'rpmbuild --rebuild $RPM_OPTS $BASE_RPM_PKG'"

    BUILT_RPMS_LIST=$(find $BUILD_ROOT${BUILD_DIR}/RPMS -type f -regex '.*\.rpm' | sed -e s,${BUILD_ROOT},,g -e 's|.*\/compat32-.*||g' -e 's|.*\/.*\.src\.rpm||g' -e 's/$/ \\/g')
    BUILT_RPMS_LIST=`echo -e ${BUILT_RPMS_LIST} | sed -e 's/\\\\//g'`

    [ $with_category_nonfree -eq 1 ] && \
	[ ! -z "$(echo $BUILT_RPMS_LIST | grep -e 'self-build-' -e 'install-assist-')" ] && \
	$__chroot_sh 'rpm -q --quiet self-build-setup || apt-get -qq -y install self-build-setup'

    [ $with_no_install -eq 0 ] && \
	$__chroot_sh "cd ${BUILD_DIR} && apt-get -y install $BUILT_RPMS_LIST"

    ## copy built rpms to ${HOME}/rpm/ for each archtectures
    echo $"Copying built rpms to ${BUILT_RPMS_DIR} for each archtectures ... "
    for i in $RPM_PKG_ARCH_LIST; do 
	[ -d $BUILD_ROOT${BUILD_DIR}/${i} ] || continue
	if [ ! -d ${BUILT_RPMS_DIR}/${VERSION}/${i} ]; then
	    $__install -d ${BUILT_RPMS_DIR}/${VERSION}/${i}/
	    chown -R ${RPM_PKG_USER}:${RPM_PKG_GROUP} ${BUILT_RPMS_DIR}
	fi
	find $BUILD_ROOT${BUILD_DIR}/${i} -type f -regex '.*\.rpm' \
	    -exec $__install -m0644 {} ${BUILT_RPMS_DIR}/${VERSION}/${i}/ \;
    done

    mount-chroot --umount /dev/shm
    mount-chroot --umount /dev/pts
    mount-chroot --umount /proc
    mount-chroot --umount archives_dir
    mount-chroot --umount unionfs_dir
    apt-get-update --host

    echo $"done."
    return 0
}

RPM_Sign(){
    [ $with_sign -eq 1 ] || return 1

    setup-vbootstrap || return 1

    [ -d ${BUILD_ROOT} ] || Build

    mount-chroot unionfs_dir

    echo $"Signing built rpms using ${RPM_SIGN_USER}'s key: "
    su $RPM_SIGN_USER -c "rpmsign --addsign $(for i in $RPM_PKG_ARCH_LIST; do find $BUILD_ROOT${BUILD_DIR}/${i} -type f -regex '.*\.rpm' 2>/dev/null; done | sed -e s,$BUILD_ROOT${BUILD_DIR},${BUILT_RPMS_DIR}/${VERSION},g -e 's/$/ \\/g')"

    mount-chroot --umount unionfs_dir

    return 0
}

Login_Chroot(){
    [ $with_login -eq 1 ] || return 1

    setup-vbootstrap || return 1

    __chroot="/usr/sbin/chroot ${BUILD_ROOT}"
    ## setarch ix86 if ix86 chroot on x86_64 host
    [ $with_ix86_on_x86_64 -eq 1 ] && \
	__chroot="/usr/sbin/chroot ${BUILD_ROOT} setarch ${VARCH}"


    mount-chroot unionfs_dir
    mount-chroot archives_dir
    mount-chroot /proc
    mount-chroot /dev/pts
    mount-chroot /dev/shm
    mount-chroot /tmp
    # mount-chroot /home
    # apt-get-update --chroot

    ## copy host's configurations of /etc
    #passwd shadow group gshadow
    for i in resolv.conf hosts; do
	cp -pf /etc/${i} ${BUILD_ROOT}/etc
    done
    cp -Ppf /etc/localtime ${BUILD_ROOT}/etc

    $__chroot /bin/bash

    # mount-chroot  --umount /home
    mount-chroot  --umount /tmp
    mount-chroot --umount /dev/shm
    mount-chroot --umount /dev/pts
    mount-chroot --umount /proc
    mount-chroot --umount archives_dir
    mount-chroot --umount unionfs_dir
    # apt-get-update --host

    return 0
}


##############################################################################

initialize-variables || exit 1

check-parameter $* || exit 1

setup-vbuilder || exit 1

while [ $# -gt 0 ]; do
    tmpARG=$1
    case $tmpARG in
	--profile)
	    shift
	    ;;
	--version|--arch|--category|--fetch-url|--target|--rpmbuild-define|--rpmbuild-with|--rpmbuild-without|--bootstrap-dir|--unionfs-dir|--cache-dir|--built-rpms-dir)
	    shift
	    ;;
	--dist-upgrade|--unionfs|--with-compat32|--sign|--no-install|--login|--no-build-essential|--debug)
	    ;;
	--build-rpm|build-rpm|--install-rpm|install-rpm|--remove-rpm|remove-rpm)
	    shift
	    ;;
	--build|build|--clean|clean)
	    ;;
	*)
	    echo unknown option $1
	    exit 1
	    ;;
    esac

    case $tmpARG in
	--profile)
	    ;;
	--version)
	    VERSION=$1
	    ;;
	--arch)
	    VARCH=$1
	    ;;
	--category)
	    CATEGORIES=$1
	    ;;
	--fetch-url)
	    VBOOTSTRAP_FETCH_URL=$1
	    ;;
	--dist-upgrade)
	    with_dist_upgrade=1
	    ;;
	--unionfs)
	    with_unionfs=1
	    ;;
	--target)
	    TARGET=$1
	    RPM_OPTS="${RPM_OPTS} --target $TARGET"
	    ;;
	--with-compat32)
	    RPM_OPTS="${RPM_OPTS} --with compat32"
	    ;;
	--rpmbuild-define)
	    RPM_OPTS="${RPM_OPTS} --define $1"
	    ;;
	--rpmbuild-with)
	    RPM_OPTS="${RPM_OPTS} --with $1"
	    ;;
	--rpmbuild-without)
	    RPM_OPTS="${RPM_OPTS} --without $1"
	    ;;
	--sign)
	    with_sign=1
	    ;;
	--no-install)
	    with_no_install=1
	    ;;
	--no-build-essential)
	    with_build_essential=0
	    ;;
	--login)
	    with_login=1
	    ;;
	--bootstrap-dir)
	    VBOOTSTRAP_DIR=$1
	    ;;
	--unionfs-dir)
	    UNIONFS_DIR=$1
	    ;;
	--cache-dir)
	    CACHE_DIR=$1
	    ;;
	--built-rpms-dir)
	    BUILT_RPMS_DIR=$1
	    ;;
	--debug)
	    with_debug=1
	    ;;
	--build-rpm|build-rpm)
	    RPM_PKG=$1
	    RPM_Build || exit 1
	    ;;
	--install-rpm|install-rpm)
	    RPM_PKG=$1
	    RPM_Install || exit 1
	    ;;
	--remove-rpm|remove-rpm)
	    RPM_PKG=$1
	    RPM_Remove || exit 1
	    ;;
	--build|build)
	    Build || exit 1
	    ;;
	--clean|clean)
	    Clean || exit 1
	    ;;
    esac
    shift
done

RPM_Sign ||:

Login_Chroot ||:

exit