#!/bin/bash
# Script to create a complete system to build packages in a chroot
# environment.  This script ensures, that all packages given as
# parameter are installed. All other packges will be deleted.
#
# BUILD_ROOT  here the packages will be installed/deleted
# BUILD_RPMS  here we get our packages to install
# BUILD_ARCH  path of the architectures we try
#
# (c) 1997-2005 SuSE GmbH Nuernberg, Germany

#
# needed globals variables
#
export SRC
export YAST_IS_RUNNING="instsys"
export DEBIAN_FRONTEND=noninteractive
export DEBIAN_PRIORITY=critical
export BUILD_DIR=${BUILD_DIR:-/usr/lib/build}
# need to restore build root owner for non-root builds
browner=0
definesnstuff=()
repos=()

. $BUILD_DIR/common_functions || exit 1

# should RPMs be installed with --force ?
USE_FORCE=false

BUILD_IS_RUNNING=$BUILD_ROOT/not-ready
TMPFILE=$BUILD_ROOT/tmpfile
#buildhost removed so that id can be generated from repo files
#RPMIDFMT="%{NAME}-%{VERSION}-%{RELEASE} %{BUILDHOST}-%{BUILDTIME}\n"
RPMIDFMT="%{NAME}-%{VERSION}-%{RELEASE} %{BUILDTIME}\n"

PREPARE_VM=
USE_SYSTEM_QEMU=
KEEP_PACKS=
USEUSEDFORBUILD=
LIST_STATE=
RPMLIST=
CLEAN_BUILD=
CREATE_BUILD_BINARIES=

while test -n "$1" ; do
    case "$1" in
	--prepare)
	    shift
	    PREPARE_VM=true
	    ;;
	--use-system-qemu)
	    shift
	    USE_SYSTEM_QEMU=true
	    ;;
	--keep-packs)
	    shift
	    KEEP_PACKS=true
	    ;;
	--create-build-binaries)
	    shift
	    CREATE_BUILD_BINARIES=true
	    ;;
	--useusedforbuild)
	    shift
	    USEUSEDFORBUILD=--useusedforbuild
	    ;;
	--list-state)
	    shift
	    LIST_STATE=true
	    ;;
	--rpmlist)
	    shift
	    RPMLIST=$1
	    shift
	    ;;
	--define|--with|--without)
	    definesnstuff[${#definesnstuff[@]}]="$1";
	    definesnstuff[${#definesnstuff[@]}]="$2";
	    shift 2
	    ;;
	--repository|--repo)
	    repos[${#repos[@]}]="$2";
	    shift 2;
	    ;;
	--clean)
	    CLEAN_BUILD="$1"
	    shift
	;;
	--cachedir)
	    CACHE_DIR="$2"
	    shift 2
	    ;;
	--configdir)
	    CONFIG_DIR=$2
	    shift 2
	    ;;
	*)
	    break
	    ;;
    esac
done
PKGS=("$@")

#
# needed functions
#

cleanup_and_exit()
{
    trap EXIT
    test "$BUILD_ROOT" = / -a -n "$browner" && chown "$browner" "$BUILD_ROOT"
    # umount so init_buildsystem can be used standalone
# XXX: use stat -f /dev/pts/ -c %T  to check whether it's mounted and not suppress errors then?
    umount -n "$BUILD_ROOT/proc/sys/fs/binfmt_misc" 2> /dev/null || true
    umount -n "$BUILD_ROOT/proc" 2> /dev/null || true
    umount -n "$BUILD_ROOT/dev/pts" 2> /dev/null || true
    umount -n "$BUILD_ROOT/mnt" 2> /dev/null || true
    exit ${1:-0}
}

clean_build_root()
{
	test -n "$BUILD_ROOT" && {
	    umount -n "$BUILD_ROOT/proc/sys/fs/binfmt_misc" 2> /dev/null || true
	    umount -n "$BUILD_ROOT/proc" 2> /dev/null || true
	    umount -n "$BUILD_ROOT/dev/pts" 2> /dev/null || true
	    umount -n "$BUILD_ROOT/mnt" 2> /dev/null || true
	    rm -rf -- "$BUILD_ROOT"/*
	    rm -rf -- "$BUILD_ROOT/.build"
	    rm -rf -- "$BUILD_ROOT/.root"
	    rm -rf -- "$BUILD_ROOT/.init_b_cache"
	    rm -rf -- "$BUILD_ROOT/.preinstall_image/*"
	    rm -rf -- "$BUILD_ROOT/.preinstallimage"*
	    mkdir -p "$BUILD_ROOT/proc"
	    mkdir -p "$BUILD_ROOT/dev/pts"
	    if [ "$UID" = '0' ]; then
		    mount -n -tproc none "$BUILD_ROOT/proc"
		    mount -n -tdevpts none "$BUILD_ROOT/dev/pts"
	    fi
	}
}


unsafe_preinstall_check()
{
    # cpio isn't safe so we require bsdtar for VMs. chroot is
    # unsafe anyways so it's ok for that.
    if test -n "$PREPARE_VM" ; then
	echo "Error: setting up a VM requires bsdtar for security reasons."
	echo "Please install bsdtar."
	cleanup_and_exit 1
    fi
}

preinstall_image_filter()
{
    for PKG in "$@" ; do
	test -e "$BUILD_ROOT/.preinstall_image/$PKG" && continue
	echo $PKG
    done
}

preinstall_image()
{
    check_exit
    if test -n "$2" ; then
	echo "unpacking preinstall image $2"
    else
	echo "unpacking preinstall image"
    fi
    cd $BUILD_ROOT || cleanup_and_exit 1
    if test -x /usr/bin/bsdtar ; then
	TAR="/usr/bin/bsdtar -P --chroot --numeric-owner -x"
    else
	unsafe_preinstall_check
	TAR="tar -x"
    fi
    # pipe output through perl to print a dot every 1000 lines
    if ! $TAR -z --exclude .build --exclude .init_b_cache -f "$BUILD_ROOT/.init_b_cache/rpms/$1" -v > >(tee "$BUILD_ROOT/.preinstallimage.unpack" | perl -e '$|=1; my $done=0; $done++ % 1000 or print "." while <STDIN>; print "\n";')  2>&1 ; then
	echo "unpack failed."
	test -e "$BUILD_ROOT/.preinstallimage.unpack" && cat "$BUILD_ROOT/.preinstallimage.unpack"
	cleanup_and_exit 1
    fi
    rm -f "$BUILD_ROOT/.preinstallimage.unpack"
}

preinstall()
{
    check_exit
    echo "preinstalling $1..."
    cd $BUILD_ROOT || cleanup_and_exit 1
    if test -x /usr/bin/bsdtar ; then
	CPIO="/usr/bin/bsdtar -P --chroot -o --numeric-owner -x -f-"
	TAR="/usr/bin/bsdtar -P --chroot -o --numeric-owner -x"
    else
	unsafe_preinstall_check
	CPIO="cpio --extract --unconditional --preserve-modification-time --make-directories --no-absolute-filenames --quiet"
	TAR="tar -x"
    fi
    if test -e "$BUILD_ROOT/.init_b_cache/rpms/$1.rpm" ; then
	PAYLOADDECOMPRESS=cat
	case `rpm -qp --nodigest --nosignature --qf "%{PAYLOADCOMPRESSOR}\n" "$BUILD_ROOT/.init_b_cache/rpms/$1.rpm"` in
	    lzma) rpm --showrc | grep PayloadIsLzma > /dev/null || PAYLOADDECOMPRESS="lzma -d" ;;
	    xz) rpm --showrc | grep PayloadIsXz > /dev/null || PAYLOADDECOMPRESS="xz -d" ;;
	esac
	if test "$PAYLOADDECOMPRESS" = "lzma -d" ; then
	    if ! lzma </dev/null >/dev/null 2>&1 ; then
		test -f "$BUILD_DIR/lzmadec.sh" && PAYLOADDECOMPRESS="bash $BUILD_DIR/lzmadec.sh"
	    fi
	fi
	if test "$PAYLOADDECOMPRESS" = "xz -d" ; then
	    if ! xz </dev/null >/dev/null 2>&1 ; then
		test -f "$BUILD_DIR/xzdec.sh" && PAYLOADDECOMPRESS="bash $BUILD_DIR/xzdec.sh"
	    fi
	fi
	if test "$PAYLOADDECOMPRESS" = cat ; then
	    rpm2cpio "$BUILD_ROOT/.init_b_cache/rpms/$1.rpm" | $CPIO
	else
	    rpm2cpio "$BUILD_ROOT/.init_b_cache/rpms/$1.rpm" | $PAYLOADDECOMPRESS | $CPIO
	fi
	if test -e ".init_b_cache/scripts/$1.run" ; then
	    rpm -qp --nodigest --nosignature --qf "%{PREIN}" "$BUILD_ROOT/.init_b_cache/rpms/$1.rpm" > ".init_b_cache/scripts/$1.pre"
	    rpm -qp --nodigest --nosignature --qf "%{POSTIN}" "$BUILD_ROOT/.init_b_cache/rpms/$1.rpm" > ".init_b_cache/scripts/$1.post"
	    echo -n '(none)' > .init_b_cache/scripts/.none
	    cmp -s ".init_b_cache/scripts/$1.pre" .init_b_cache/scripts/.none && rm -f ".init_b_cache/scripts/$1.pre"
	    cmp -s ".init_b_cache/scripts/$1.post" .init_b_cache/scripts/.none && rm -f ".init_b_cache/scripts/$1.post"
	    rm -f .init_b_cache/scripts/.none
	fi
    elif test -e "$BUILD_ROOT/.init_b_cache/rpms/$1.deb" ; then
	ar x "$BUILD_ROOT/.init_b_cache/rpms/$1.deb" control.tar.gz data.tar.gz
	mkdir -p .init_b_cache/scripts/control
	$TAR -C .init_b_cache/scripts/control -z -f control.tar.gz
	$TAR -z -f data.tar.gz
	if test -e ".init_b_cache/scripts/$1.run" ; then
	    test -e .init_b_cache/scripts/control/preinst && mv .init_b_cache/scripts/control/preinst ".init_b_cache/scripts/$1.pre"
	    test -e .init_b_cache/scripts/control/postinst && mv .init_b_cache/scripts/control/postinst ".init_b_cache/scripts/$1.post"
	fi
	rm -rf .init_b_cache/scripts/control control.tar.gz data.tar.gz
    elif test -e "$BUILD_ROOT/.init_b_cache/rpms/$1.arch" ; then
	$TAR -z -f "$BUILD_ROOT/.init_b_cache/rpms/$1.arch"
	if test -f .INSTALL ; then
	    cat .INSTALL > ".init_b_cache/scripts/$1.post"
	    echo 'type post_install >/dev/null 2>&1 && post_install' >> ".init_b_cache/scripts/$1.post"
	fi
	rm -f .PKGINFO .INSTALL
    else
	echo "warning: package $1 does not exist"
    fi
}

run_pkg_scripts()
{
    chroot $BUILD_ROOT /sbin/ldconfig 2>/dev/null
    for PKG in $PACKAGES_TO_RUNSCRIPTS ; do
	if test -e "$BUILD_ROOT/.init_b_cache/scripts/$PKG.pre" ; then
	    echo "running $PKG preinstall script"
	    if test -e "$BUILD_ROOT/.init_b_cache/rpms/$PKG.rpm" ; then
		chroot $BUILD_ROOT sh ".init_b_cache/scripts/$PKG.pre" 0
	    else
		chroot $BUILD_ROOT ".init_b_cache/scripts/$PKG.pre" install < /dev/null
	    fi
	    rm -f "$BUILD_ROOT/.init_b_cache/scripts/$PKG.pre"
	fi
	if test -e "$BUILD_ROOT/.init_b_cache/scripts/$PKG.post" ; then
	    echo "running $PKG postinstall script"
	    if test -e "$BUILD_ROOT/.init_b_cache/rpms/$PKG.rpm" ; then
		chroot $BUILD_ROOT sh ".init_b_cache/scripts/$PKG.post" 1
	    else
		chroot $BUILD_ROOT ".init_b_cache/scripts/$PKG.post" configure '' < /dev/null
	    fi
	    rm -f "$BUILD_ROOT/.init_b_cache/scripts/$PKG.post"
	fi
	check_exit
    done
}

init_db()
{
    if test $PSUF = rpm ; then
	echo initializing rpm db...
        if ! test -e $BUILD_ROOT/usr/lib/rpm/cpuinfo.yaml; then
            # rpm v5 does not have initdb
 	    chroot $BUILD_ROOT rpm --initdb || cleanup_and_exit 1
        fi
	# hack: add nofsync to db config to speed up install
	mkdir -p $BUILD_ROOT/root
	echo '%__dbi_perms perms=0644 nofsync' > $BUILD_ROOT/.rpmmacros
	echo '%__dbi_perms perms=0644 nofsync' > $BUILD_ROOT/root/.rpmmacros
    elif test $PSUF = deb ; then
	# force dpkg into database to make epoch test work
	if ! test "$BUILD_ROOT/.init_b_cache/rpms/dpkg.deb" -ef "$BUILD_ROOT/.init_b_cache/dpkg.deb" ; then
	    rm -f $BUILD_ROOT/.init_b_cache/dpkg.deb
	    cp $BUILD_ROOT/.init_b_cache/rpms/dpkg.deb $BUILD_ROOT/.init_b_cache/dpkg.deb || cleanup_and_exit 1
	fi
	chroot $BUILD_ROOT dpkg -i --force all .init_b_cache/dpkg.deb >/dev/null 2>&1
    elif test $PSUF = arch ; then
	mkdir -p $BUILD_ROOT/var/lib/pacman/sync
	touch $BUILD_ROOT/var/lib/pacman/sync/core.db
	touch $BUILD_ROOT/var/lib/pacman/sync/extra.db
	touch $BUILD_ROOT/var/lib/pacman/sync/community.db
    fi
}

reorder()
{
    test -z "$*" && return
    rm -f $BUILD_ROOT/.init_b_cache/order.manifest
    for PKG in "$@" ; do
	echo "$PKG" >> $BUILD_ROOT/.init_b_cache/order.manifest
    done
    $BUILD_DIR/order --dist "$BUILD_DIST" --archpath "$BUILD_ARCH" --configdir $CONFIG_DIR --manifest $BUILD_ROOT/.init_b_cache/order.manifest $BUILD_ROOT/.init_b_cache/rpms || touch $BUILD_ROOT/exit
    rm -f $BUILD_ROOT/.init_b_cache/order.manifest
}

create_devs()
{
    local com file mode arg

    mkdir -m 755 -p $BUILD_ROOT/dev/pts
    test -f $BUILD_ROOT/dev/shm && rm -f $BUILD_ROOT/dev/shm
    mkdir -m 755 -p $BUILD_ROOT/dev/shm
    while read com file mode arg ; do
	rm -f $BUILD_ROOT/dev/$file
	if test $com = ln ; then
	    ln -s $arg $BUILD_ROOT/dev/$file
	    continue
	fi
	$com -m $mode $BUILD_ROOT/dev/$file $arg
    done << DEVLIST
	mknod null    666 c 1 3
	mknod zero    666 c 1 5
	mknod full    622 c 1 7
	mknod random  666 c 1 8
	mknod urandom 644 c 1 9
	mknod tty     666 c 5 0
	mknod ptmx    666 c 5 2
	mknod loop0   640 b 7 0
	mknod loop1   640 b 7 1
	mknod loop2   640 b 7 2
	mknod loop3   640 b 7 3
	ln    fd      777 /proc/self/fd
	ln    stdin   777 fd/0
	ln    stdout  777 fd/1
	ln    stderr  777 fd/2
DEVLIST
}

# check whether the repo list contains a plain "zypp://". Add all
# enabled zypp repos in this case
maybe_add_all_zypp_repos()
{
    local i j
    r=()
    for i in "${repos[@]}"; do
	if [ "$i" = "zypp://" ]; then
	    while read j; do
		j="${j#/etc/zypp/repos.d/}"
		r=("${r[@]}" "zypp://${j%.repo}")
	    done < <(grep -l enabled=1 /etc/zypp/repos.d/*.repo)
	else
	    r=("${r[@]}" "$i")
	fi
    done
    repos=("${r[@]}")
}

validate_cache_file()
{
    local findonly=''
    maybe_add_all_zypp_repos
    if ! test -f $CACHE_FILE || ! test -f $CACHE_FILE.id || \
	test "${repos[*]} ${BUILD_RPMS//:/ /}" != "$(cat $CACHE_FILE.id 2>/dev/null)"; then
	rm -f $CACHE_FILE.id
    else
	for SRC in "${repos[@]}" ${BUILD_RPMS//:/ /}; do
	    test -n "$SRC" || SRC=.
	    if [ "${SRC#zypp://}" != "$SRC" ]; then
		SRC="/var/cache/zypp/raw" # XXX can't use name here as we'd need to parse the file
	    fi
	    if test "$SRC" -nt $CACHE_FILE; then
		rm -f $CACHE_FILE.id
		break
	    fi
	    # always rebuild if we have remote repositories and --clean is given
	    if test -n "$CLEAN_BUILD" -a "$SRC" != "${SRC#*://}" ; then
		rm -f $CACHE_FILE.id
		break
	    fi
	done
    fi
    if ! test -f $CACHE_FILE.id ; then
	test -z "$LIST_STATE" && echo initializing $CACHE_FILE ...
	for SRC in "${repos[@]}" -- ${BUILD_RPMS//:/ /}; do
	    if test "$SRC" = '--' ; then
		findonly=1
		continue
	    fi
	    test -z "$SRC" && SRC=`pwd`
	    if [ "${SRC#zypp://}" != "$SRC" ]; then
		set -- $BUILD_DIR/createrepomddeps "$SRC"
	    elif [ "${SRC#http://}" != "$SRC" -o "${SRC#https://}" != "$SRC" -o "${SRC#ftp://}" != "$SRC" -o "${SRC#ftps://}" != "$SRC" ]; then
		mkdir -p "$(getcachedir "$SRC")"
		set -- $BUILD_DIR/createrepomddeps --cachedir="$CACHE_DIR" "$SRC"
	    elif [ "${SRC#arch@http://}" != "$SRC" -o "${SRC#arch@https://}" != "$SRC" -o "${SRC#arch@ftp://}" != "$SRC" -o "${SRC#arch@ftps://}" != "$SRC" ]; then
		mkdir -p "$(getcachedir "$SRC")"
		set -- $BUILD_DIR/createrepomddeps --cachedir="$CACHE_DIR" "$SRC"
	    elif [ ! -e "$SRC" ]; then
		echo "*** $SRC does not exist" >&2
		cleanup_and_exit 1
	    elif [ -z "$findonly" -a \( -e "$SRC"/suse/setup/descr/packages -o -e "$SRC"/suse/setup/descr/packages.gz \) ]; then
		set -- $BUILD_DIR/createyastdeps "$SRC"
	    elif [ -z "$findonly" -a -e "$SRC"/repodata/repomd.xml ]; then
		set -- $BUILD_DIR/createrepomddeps "$SRC"
	    else
		set -- $BUILD_DIR/createrpmdeps "$SRC"
	    fi
	    echo "$@" >&2
	    "$@" || cleanup_and_exit 1
	    echo D:
	done > $CACHE_FILE.new

	mv $CACHE_FILE.new $CACHE_FILE
	echo "${repos[*]} ${BUILD_RPMS//:/ /}" > $CACHE_FILE.id
    fi
}

#
# Copy qemu static binaries for cross-build emulation mode.
# Preferentially install from $BUILD_DIR (potentially provided by build
# server) in preference to build worker's /usr/bin (fallback).
# If initvm is available it will be in $BUILD_DIR; otherwise prepare to
# fall back to initscript_qemu_vm shell script with corresponding static
# bash and mount programs.
#

check_copy_qemu()
{
    local arch

    for arch in $EMULATOR_DEVS; do
	if test -e $BUILD_DIR/qemu-$arch; then
	    return 0
	fi
    done
    return 1
}

copy_qemu()
{
    local path dest

    echo "copying qemu"

    mkdir -p $BUILD_ROOT/usr/bin

    if check_copy_qemu; then

	for path in $BUILD_DIR/qemu-*; do
	    if file $path | grep -q static; then
		dest="$BUILD_ROOT/usr/bin/${path##*/}"
		if [ -f "$path" -a ! -x "$dest" ]; then
		    echo -n " $path"		# report copy
		    #echo install -m755 "$path" "$dest"
		    install -m755 "$path" "$dest"
		fi
	    fi
	done

    else

	for path in /usr/bin/qemu-*; do
	    if file $path | grep -q static; then
		dest="$BUILD_ROOT/usr/bin/${path##*/}"
		if [ -f "$path" -a ! -x "$dest" ]; then
		    echo -n " $path"		# report copy
		    #echo install -m755 "$path" "$dest"
		    install -m755 "$path" "$dest"
		fi
	    fi
	done

	if [ -e /usr/sbin/qemu-binfmt-conf.sh \
	    -a ! -e $BUILD_ROOT/usr/sbin/qemu-binfmt-conf.sh ]; then
	    echo " /usr/sbin/qemu-binfmt-conf.sh"		# report copy
	    mkdir -p $BUILD_ROOT/usr/sbin
	    install -m755 /usr/sbin/qemu-binfmt-conf.sh $BUILD_ROOT/usr/sbin
	fi

    fi
    echo ""

    # Below for backward compatibility when /.build/initvm is not present

    if [ -n "$PREPARE_VM" ]; then
	if [ -x /bin/bash-static -a -x /bin/mount-static ]; then
	    echo " /bin/bash-static /bin/mount-static"	# report copy
	    mkdir -p $BUILD_ROOT/bin
	    install -m755 /bin/bash-static $BUILD_ROOT/bin
	    install -m755 /bin/mount-static $BUILD_ROOT/bin
	fi
    fi
}

check_binfmt_registered()
{
    local arch
    for arch in $EMULATOR_DEVS; do
	if test -e /proc/sys/fs/binfmt_misc/$arch; then
	    return 0
	fi
    done
    return 1
}

fail_exit()
{
  cleanup_and_exit 1
}

# modifies $SRC
downloadpkg()
{
    local url="$1"
    local cachedir

    if [ "${url:0:7}" == "zypp://" ] ; then
	cachedir="/var/cache/zypp/packages/"
	SRC="$cachedir${url#zypp://}"
	mkdir -p "${SRC%/*}" || cleanup_and_exit 1
    elif [ "${url:0:7}" == "http://" -o "${url:0:8}" == "https://" -o "${url:0:6}" == "ftp://" -o "${url:0:7}" == "ftps://" ] ; then
	cachedir="$(getcachedir "$url")"
	local name="$(basename "$url")"
	name=${name/%.pkg.tar.?z/.arch}
	SRC="$cachedir/$name"
    else
	echo "Invalid url: $url"
	cleanup_and_exit 1
    fi

    local destdir="$cachedir/tmp"
    mkdir -p "$destdir"
    echo "downloading $url ... ";
    $BUILD_DIR/download "$destdir" "$url" || cleanup_and_exit 1
    local destfile="$destdir/${url##*/}"
    if [ ! -e "$destfile" ]; then
	echo "expected $destfile after download but it's missing" >&2
	cleanup_and_exit 1
    fi
    case $destfile in
      *.rpm)
	rpm -K "$destfile" > $destfile.v || { echo "rpm verify failed" >&2; rm -rf "$destdir"; cleanup_and_exit 1; }
	if grep "NOT OK" $destfile.v; then
	    rm -rf "$destdir"
	    cleanup_and_exit 1
	fi
	rm -f "$destfile.v"
	;;
    esac
    mv "$destfile" "$SRC" || cleanup_and_exit 1
}

getcachedir()
{
    local url=$1
    case $url in
      zypp://*)
	url=${url#zypp:/}
	echo "/var/cache/zypp/packages/${url%/*}"
	return 0;
	;;
      *.pkg.tar.?z) url="arch@$url" ;;
    esac
    for repo in "${repos[@]}" ; do
	if [ "${url:0:${#repo}}" == "$repo" -o "${url:0:${#repo}}" == "$repo" ] ; then
	    read repoid dummy < <(echo -n "$repo" | md5sum)
	    echo "$CACHE_DIR/$repoid"
	    break
	fi
    done
}

get_pkg_filename()
{
    local url="$1"
    local name=$(basename $url)
    local cachedir=$(getcachedir $url)
    local destfile="$cachedir/$name"
    echo $destfile
}

set_build_arch

trap fail_exit EXIT

if [ "$BUILD_ROOT" = / ]; then
    browner="$(stat -c %u /)"
fi

if [ -n "$CLEAN_BUILD" ]; then
    clean_build_root
fi

#
# now test if there was an incomplete run
#
if test -e $BUILD_IS_RUNNING ; then
    echo It seems that there was an incomplete setup of $BUILD_ROOT.
    echo To be sure, we will build it again completely...
    umount -n $BUILD_ROOT/proc/sys/fs/binfmt_misc 2> /dev/null || true
    umount -n $BUILD_ROOT/proc 2> /dev/null
    umount -n $BUILD_ROOT/dev/pts 2> /dev/null
    umount -n $BUILD_ROOT/mnt 2> /dev/null
    echo "Your build system is broken!! Shall I execute"
    echo
    echo "    rm -rf -- $BUILD_ROOT/*"
    echo
    echo "y - yes, cleanup the build root"
    echo "N - No, abort build (default on enter)"
    echo "c - Continue anyway with this build root"
    echo -n "[y/N/c] "
    read ANSWER
    case "$ANSWER" in
	c|C) rm -f $BUILD_IS_RUNNING ;;
	y|Y) clean_build_root ;;
	*) cleanup_and_exit 1 ;;
    esac
fi

#
# store that we start to build system
#
mkdir -p $BUILD_ROOT
mkdir -p $BUILD_ROOT/.build
touch $BUILD_IS_RUNNING

if test -n "$PREPARE_VM" ; then
    rm -f $BUILD_ROOT/.build/init_buildsystem.data
fi
if test -e $BUILD_ROOT/.build/init_buildsystem.data ; then
    # vm continuation
    . $BUILD_ROOT/.build/init_buildsystem.data
    if ! test -e $BUILD_ROOT/.init_b_cache/preinstall_finished ; then
	# finish preinstall
	run_pkg_scripts
	init_db
	touch $BUILD_ROOT/.init_b_cache/preinstall_finished
    fi
else
    #
    # now make sure that all the packages are installed.
    #
    rm -rf "$BUILD_ROOT/.init_b_cache"
    mkdir -p "$BUILD_ROOT/.init_b_cache/scripts"

    if test -z "$RPMLIST" ; then
	#
	# create rpmdeps file
	#
	CACHE_FILE=$BUILD_ROOT/.srcfiles.cache
	validate_cache_file

	#
	# select and expand packages
	#
	RPMLIST=$BUILD_ROOT/.init_b_cache/rpmlist
	test -z "$LIST_STATE" && echo "expanding package dependencies..."
	if ! $BUILD_DIR/expanddeps $USEUSEDFORBUILD "${definesnstuff[@]}" --dist "$BUILD_DIST" --depfile "$CACHE_FILE" --archpath "$BUILD_ARCH" --configdir $CONFIG_DIR "${PKGS[@]}" > $RPMLIST ; then
	    rm -f $BUILD_IS_RUNNING
	    cleanup_and_exit 1
	fi
    fi

    if test -n "$LIST_STATE" ; then
	rm -f $BUILD_IS_RUNNING
	while read PKG SRC ; do
	   test "$PKG" = "preinstall:" && continue
	   test "$PKG" = "runscripts:" && continue
	   test "$PKG" = "cbpreinstall:" && continue
	   test "$PKG" = "vminstall:" && continue
	   test "$PKG" = "dist:" && continue
	   test "$PKG" = "rpmid:" && continue
	   echo "${SRC##*/}"
	done < $BUILD_ROOT/.init_b_cache/rpmlist
	rm -rf "$BUILD_ROOT/.init_b_cache"
	cleanup_and_exit 0
    fi

    #
    # copy the QEMU emulator
    #
    if check_use_emulator; then
	[ -n "$USE_SYSTEM_QEMU" ] && copy_qemu
	if [ -z "$PREPARE_VM" ]; then
	    if ! check_binfmt_registered; then
		echo "registering binfmt handlers"

		if [ -x "$BUILD_DIR/initvm" -a -e "$BUILD_DIR/qemu-reg" ]; then
		    $BUILD_DIR/initvm
		elif [ -x /usr/sbin/qemu-binfmt-conf.sh ]; then
	           [ -e /proc/sys/fs/binfmt_misc ] || mount -n binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc
		   /usr/sbin/qemu-binfmt-conf.sh
		else
		    echo "Warning: could not register binfmt handlers. Neither build-initvm nor /usr/sbin/qemu-binfmt-conf.sh exist"
		fi
	    fi
	    if [ -n "$PREPARE_VM" ]; then
	        echo 0 > /proc/sys/vm/mmap_min_addr
	    fi
	    read mmap_min_addr < /proc/sys/vm/mmap_min_addr
	    if [ "$mmap_min_addr" != 0 ]; then
		echo "Warning: mmap_min_addr is != 0. If programs fail at mmap this could be the reason"
	    fi
	fi
    fi

    PACKAGES_TO_INSTALL=
    PACKAGES_TO_PREINSTALL=
    PACKAGES_TO_RUNSCRIPTS=
    PACKAGES_TO_VMINSTALL=
    PACKAGES_TO_CBPREINSTALL=
    PACKAGES_TO_CBINSTALL=
    PREINSTALL_IMAGE=
    PREINSTALL_IMAGE_SOURCE=
    RUNSCRIPTS_SEEN=
    PACKAGES_FROM_PREINSTALLIMAGE=
    GUESSED_DIST=unknown
    mkdir -p $BUILD_ROOT/.init_b_cache/rpms
    rm -f $BUILD_ROOT/.init_b_cache/rpmlist.download
    while read PKG SRC ; do
	if test "$PKG" = "preinstall:" ; then
	    PACKAGES_TO_PREINSTALL=$SRC
	    continue
	fi
	if test "$PKG" = "vminstall:" ; then
	    PACKAGES_TO_VMINSTALL=$SRC
	    continue
	fi
	if test "$PKG" = "preinstallimage:" ; then
	    PREINSTALL_IMAGE=${SRC##*/}
	    ln -s "$SRC" "$BUILD_ROOT/.init_b_cache/rpms/${SRC##*/}"
	    continue
	fi
	if test "$PKG" = "preinstallimagesource:" ; then
	    PREINSTALL_IMAGE_SOURCE="$SRC"
	    continue
	fi
	# these additional preinstall / install values are only set for 
	# emulated "CrossBuild" setups - thus CB(pre)install
	if test "$PKG" = "cbpreinstall:" ; then
	    if is_emulator_arch ; then
		PACKAGES_TO_CBPREINSTALL=$SRC
	    fi
	    continue
	fi
	if test "$PKG" = "cbinstall:" ; then
	    if is_emulator_arch ; then
		PACKAGES_TO_CBINSTALL=$SRC
	    fi
	    continue
	fi
	if test "$PKG" = "runscripts:" ; then
	    RUNSCRIPTS_SEEN=true
	    PACKAGES_TO_RUNSCRIPTS=$SRC
	    continue
	fi
	if test "$PKG" = "dist:" ; then
	    GUESSED_DIST=$SRC
	    continue
	fi
	if test "$PKG" = "rpmid:" ; then
	    echo "${SRC#*:}" > $BUILD_ROOT/.init_b_cache/rpms/${SRC%%:*}.id
	    continue
	fi
	if test "$PKG" != "${PKG%:}"; then
	    echo "Warning: ignoring unsupported tag '$PKG'" >&2
	    continue
	fi
	if test "$SRC" = "preinstallimage" ; then
	    PACKAGES_FROM_PREINSTALLIMAGE="$PACKAGES_FROM_PREINSTALLIMAGE $PKG"
	    PACKAGES_TO_INSTALL="$PACKAGES_TO_INSTALL $PKG"
	    continue
	fi
	PACKAGES_TO_INSTALL="$PACKAGES_TO_INSTALL $PKG"
	if [ "${SRC#/}" = "$SRC" ]; then
	    case "$SRC" in
		zypp://* | http://* | https://* | ftp://* | ftps://*)
		    echo "$PKG $SRC" >>$BUILD_ROOT/.init_b_cache/rpmlist.download
		    continue
		    ;;
		*)
		    echo "unsupported url for '$PKG': $SRC" >&2
		    cleanup_and_exit 1
		    ;;
	    esac
	fi
	SRCSUF=${SRC/%.pkg.tar.?z/.arch}
	ln -s "$SRC" "$BUILD_ROOT/.init_b_cache/rpms/$PKG.${SRCSUF##*.}"
    done < $RPMLIST

    # check if we really can use cached versions for packages on the download list
    if test -s $BUILD_ROOT/.init_b_cache/rpmlist.download ; then
	rm -f $BUILD_ROOT/.init_b_cache/rpmlist.download2
        while read PKG SRC ; do
	    cachepkg="${SRC##*/}"
	    cachepkg="${cachepkg/%.pkg.tar.?z/.arch}"
	    cachedir="$(getcachedir "$SRC")"
	    if test -s "$cachedir/$cachepkg" ; then
		if test -s "$BUILD_ROOT/.init_b_cache/rpms/$PKG.id" -a "${SRC%.rpm}" != "$SRC" ; then
		    PKGID=`rpm -qp --qf "$RPMIDFMT" $RPMCHECKOPTS_HOST "$cachedir/$cachepkg"`
		    read cachepkgid < $BUILD_ROOT/.init_b_cache/rpms/$PKG.id
		    if test "$cachepkgid" = "$PKGID" ; then
			SRC="$cachedir/$cachepkg"
		    else
			rm -f "$cachedir/$cachepkg"
		    fi
		else
		    $SRC="$cachedir/$cachepkg"
		fi
	    fi
	    if test "${SRC#/}" = "$SRC" ; then
		echo "$PKG $SRC" >>$BUILD_ROOT/.init_b_cache/rpmlist.download2
	    else
		SRCSUF=${SRC/%.pkg.tar.?z/.arch}
		ln -s "$SRC" "$BUILD_ROOT/.init_b_cache/rpms/$PKG.${SRCSUF##*.}"
	    fi
	done < $BUILD_ROOT/.init_b_cache/rpmlist.download
	rm -f $BUILD_ROOT/.init_b_cache/rpmlist.download
	test -s $BUILD_ROOT/.init_b_cache/rpmlist.download2 && mv $BUILD_ROOT/.init_b_cache/rpmlist.download2 $BUILD_ROOT/.init_b_cache/rpmlist.download
    fi

    # now do the download of missing packages
    if test -s $BUILD_ROOT/.init_b_cache/rpmlist.download ; then
        PACKAGES_TO_DOWNLOAD=`cat ${RPMLIST}.download|awk '{print $2}'`
        progress_setup PACKAGES_TO_DOWNLOAD
        while read PKG SRC ; do
            progress_step PACKAGES_TO_DOWNLOAD
            downloadpkg "$SRC"
	    # downloadpkg modified $SRC, so it has a right name for use
	    SRCSUF=${SRC/%.pkg.tar.?z/.arch}
	    ln -s "$SRC" "$BUILD_ROOT/.init_b_cache/rpms/$PKG.${SRCSUF##*.}"
        done < $BUILD_ROOT/.init_b_cache/rpmlist.download
        rm -f $BUILD_ROOT/.init_b_cache/rpmlist.download
        printf "\n"
    fi

    test -n "$PACKAGES_TO_CBPREINSTALL" && echo "cbpreinstall: $PACKAGES_TO_CBPREINSTALL"
    test -n "$PACKAGES_TO_CBINSTALL" && echo "cbinstall   : $PACKAGES_TO_CBINSTALL"
    # compatibility...
    test -z "$RUNSCRIPTS_SEEN" && PACKAGES_TO_RUNSCRIPTS="$PACKAGES_TO_PREINSTALL"

    echo "$GUESSED_DIST" > $BUILD_ROOT/.guessed_dist
    test -n "$BUILD_DIST" || BUILD_DIST="$GUESSED_DIST"
    PSUF=`gettype --dist "$BUILD_DIST" --configdir "$CONFIG_DIR" --archpath "$BUILD_ARCH"`
    case "$PSUF" in
	UNKNOWN|'')
	    # auto detect from packages
	    if test -n "$PREINSTALL_IMAGE" ; then
		echo "cannot autodetect build type when using a preinstall image" >&2
		cleanup_and_exit 1
	    fi
	    PSUF=rpm
	    test -e $BUILD_ROOT/.init_b_cache/rpms/dpkg.deb && PSUF=deb
	    test -e $BUILD_ROOT/.init_b_cache/rpms/pacman.arch && PSUF=arch
	    ;;
    esac

    if test -n "$PREINSTALL_IMAGE" ; then
	for PKG in $PACKAGES_FROM_PREINSTALLIMAGE ; do
	    # touch the file so that the copying works
	    touch $BUILD_ROOT/.init_b_cache/rpms/"$PKG.$PSUF"
	done
    fi

fi

#
# now test if there is already a build dir.
#
if test ! -f $BUILD_ROOT/var/lib/rpm/packages.rpm -a ! -f $BUILD_ROOT/var/lib/rpm/Packages -a ! -e $BUILD_ROOT/.build/init_buildsystem.data ; then
    mkdir -p $BUILD_ROOT/var/lib/rpm || cleanup_and_exit 1
    mkdir -p $BUILD_ROOT/usr/src/packages/SOURCES || cleanup_and_exit 1
    mkdir -p $BUILD_ROOT/etc || cleanup_and_exit 1
    mkdir -p $BUILD_ROOT/proc || cleanup_and_exit 1
    test -f $BUILD_ROOT/etc/HOSTNAME || hostname -f > $BUILD_ROOT/etc/HOSTNAME
    if test $PSUF = deb ; then
	mkdir -p $BUILD_ROOT/var/lib/dpkg
	mkdir -p $BUILD_ROOT/var/log
	mkdir -p $BUILD_ROOT/etc/default
	:> $BUILD_ROOT/var/lib/dpkg/status
	:> $BUILD_ROOT/var/lib/dpkg/available
	:> $BUILD_ROOT/var/log/dpkg.log
	:> $BUILD_ROOT/etc/ld.so.conf
	:> $BUILD_ROOT/etc/default/rcS
    fi
    for PKG in $PACKAGES_TO_RUNSCRIPTS ; do
	: > $BUILD_ROOT/.init_b_cache/scripts/$PKG.run
    done
    PACKAGES_TO_PREINSTALL_FILTERED="$PACKAGES_TO_PREINSTALL"
    PACKAGES_TO_VMINSTALL_FILTERED="$PACKAGES_TO_VMINSTALL"
    PACKAGES_TO_CBPREINSTALL_FILTERED="$PACKAGES_TO_CBPREINSTALL"
    rm -f "$BUILD_ROOT/.preinstall_image"/*
    if test -n "$PREINSTALL_IMAGE" ; then
	preinstall_image "$PREINSTALL_IMAGE" "$PREINSTALL_IMAGE_SOURCE"
	PACKAGES_TO_PREINSTALL_FILTERED=`preinstall_image_filter $PACKAGES_TO_PREINSTALL_FILTERED`
	PACKAGES_TO_VMINSTALL_FILTERED=`preinstall_image_filter $PACKAGES_TO_VMINSTALL_FILTERED`
	PACKAGES_TO_CBPREINSTALL_FILTERED=`preinstall_image_filter $PACKAGES_TO_VMINSTALL_FILTERED`
    fi
    PACKAGES_TO_PREINSTALL_FILTERED=`reorder $PACKAGES_TO_PREINSTALL_FILTERED`
    progress_setup PACKAGES_TO_PREINSTALL_FILTERED
    for PKG in $PACKAGES_TO_PREINSTALL_FILTERED ; do
	progress_step PACKAGES_TO_PREINSTALL_FILTERED
	preinstall ${PKG##*/}
    done
    printf "\n"
    if test -n "$PREPARE_VM" ; then
        PACKAGES_TO_VMINSTALL_FILTERED=`reorder $PACKAGES_TO_VMINSTALL_FILTERED`
	progress_setup PACKAGES_TO_VMINSTALL_FILTERED
	for PKG in $PACKAGES_TO_VMINSTALL_FILTERED ; do
	    progress_step PACKAGES_TO_VMINSTALL_FILTERED
	    preinstall ${PKG##*/}
	done
    fi
    # add cbpreinstall if cross HOST != TARGET
    PACKAGES_TO_CBINSTALL_FILTERED=`reorder $PACKAGES_TO_CBINSTALL_FILTERED`
    progress_setup PACKAGES_TO_CBPREINSTALL_FILTERED
    for PKG in $PACKAGES_TO_CBPREINSTALL_FILTERED ; do
	progress_step PACKAGES_TO_CBPREINSTALL_FILTERED
        preinstall ${PKG##*/}
    done
    # for reorder
    check_exit
    if [ -w /root ]; then
	    test -c $BUILD_ROOT/dev/null || create_devs
    fi
    test -e $BUILD_ROOT/etc/fstab || touch $BUILD_ROOT/etc/fstab
    test ! -e $BUILD_ROOT/etc/ld.so.conf -a -e $BUILD_ROOT/etc/ld.so.conf.in && cp $BUILD_ROOT/etc/ld.so.conf.in $BUILD_ROOT/etc/ld.so.conf
    if test -z "$PREPARE_VM" ; then
	run_pkg_scripts
	init_db
	touch $BUILD_ROOT/.init_b_cache/preinstall_finished
    fi
fi

if test -n "$PREPARE_VM" ; then
    echo "copying packages..."
    for PKG in $PACKAGES_TO_INSTALL ; do
	rm -f $BUILD_ROOT/.init_b_cache/$PKG.$PSUF
	cp $BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF $BUILD_ROOT/.init_b_cache/$PKG.$PSUF || cleanup_and_exit 1
	ln -s -f ../$PKG.$PSUF $BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF
	check_exit
    done
    # alreadyinstalled check will not work, but we have to live with that...
    echo -n 'reordering...'
    PACKAGES_TO_INSTALL=`reorder $PACKAGES_TO_INSTALL`
    check_exit
    echo 'done'
    Q="'\''"
    echo "PACKAGES_TO_INSTALL='${PACKAGES_TO_INSTALL//"'"/$Q}'" > $BUILD_ROOT/.build/init_buildsystem.data
    echo "PACKAGES_TO_RUNSCRIPTS='${PACKAGES_TO_RUNSCRIPTS//"'"/$Q}'" >> $BUILD_ROOT/.build/init_buildsystem.data
    # needed for continuation in xen/kvm with rpm-x86
    echo "PACKAGES_TO_PREINSTALL='${PACKAGES_TO_PREINSTALL//"'"/$Q}'" >> $BUILD_ROOT/.build/init_buildsystem.data
    echo "PACKAGES_TO_CBPREINSTALL='${PACKAGES_TO_CBPREINSTALL//"'"/$Q}'" >> $BUILD_ROOT/.build/init_buildsystem.data
    echo "PSUF='$PSUF'" >> $BUILD_ROOT/.build/init_buildsystem.data
    rm -f $BUILD_IS_RUNNING
    cleanup_and_exit 0
fi

mkdir -p $BUILD_ROOT/proc
mkdir -p $BUILD_ROOT/dev/pts
mount -n -tproc none $BUILD_ROOT/proc 2>/dev/null || true
mount -n -tdevpts none $BUILD_ROOT/dev/pts 2>/dev/null || true

#
# create .build.binaries directory if requested
#
rm -rf "$BUILD_ROOT/.build.binaries"
if test -n "$CREATE_BUILD_BINARIES" ; then
    echo "creating .build.binaries directory..."
    mkdir -p "$BUILD_ROOT/.build.binaries"
    for PKG in $PACKAGES_TO_INSTALL ; do
	test -L "$BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF" || continue
	LPKG=`readlink -f "$BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF"`
	ln "$LPKG" "$BUILD_ROOT/.build.binaries/$PKG.$PSUF" 2>/dev/null
	test -f "$BUILD_ROOT/.build.binaries/$PKG.$PSUF" && continue
	cp "$LPKG" "$BUILD_ROOT/.build.binaries/$PKG.$PSUF"
	check_exit
    done
fi

#
# get list and ids of already installed rpms
#
mkdir -p $BUILD_ROOT/.init_b_cache/alreadyinstalled
if test -f $BUILD_ROOT/var/lib/rpm/packages.rpm -o -f $BUILD_ROOT/var/lib/rpm/Packages ; then
    chroot $BUILD_ROOT rpm -qa --qf "%{NAME} $RPMIDFMT" | (
	while read pp ii; do
	    echo "$ii" > "$BUILD_ROOT/.init_b_cache/alreadyinstalled/$pp"
	done
    )
fi

#
# reorder packages (already done in vm continuation)
#
if ! test -e $BUILD_ROOT/.build/init_buildsystem.data ; then
    echo -n 'reordering...'
    PACKAGES_TO_INSTALL=`reorder $PACKAGES_TO_INSTALL`
    check_exit
    echo 'done'
fi

rpm_e()
{
    chroot $BUILD_ROOT rpm --nodeps -e $PKG 2>&1 | \
    while read line; do
	case "$line" in

	    r*failed:\ No\ such\ file\ or\ directory) ;;
	    error:\ failed\ to\ stat\ *:\ No\ such\ file\ or\ directory) ;;
	    error:\ *scriptlet\ failed*)
		echo "$line"
	        echo "re-try deleting $PKG using --noscripts"
		chroot $BUILD_ROOT rpm --nodeps --noscripts -e $PKG || true
	    ;;
	    *) echo "$line" ;;
	esac
    done
}

#
# delete all packages we don't want
#
if [ -z "$KEEP_PACKS" ]; then
    mkdir -p $BUILD_ROOT/.init_b_cache/todelete
    for PKG in $BUILD_ROOT/.init_b_cache/alreadyinstalled/* ; do
        PKG=${PKG##*/}
        test "$PKG" = "*" && continue
        ln $BUILD_ROOT/.init_b_cache/alreadyinstalled/$PKG $BUILD_ROOT/.init_b_cache/todelete/$PKG
    done
    for PKG in $PACKAGES_TO_INSTALL $PACKAGES_TO_CBINSTALL ; do
        rm -f $BUILD_ROOT/.init_b_cache/todelete/$PKG
    done
    for PKG in $BUILD_ROOT/.init_b_cache/todelete/* ; do
        PKG=${PKG##*/}
        test "$PKG" = "*" && continue
        echo "deleting $PKG"
        rpm_e "$PKG"
        check_exit
    done
    rm -rf "$BUILD_ROOT/.init_b_cache/todelete"
fi

rm -rf "$BUILD_ROOT/.init_b_cache/preinstalls"
mkdir -p "$BUILD_ROOT/.init_b_cache/preinstalls"
for PKG in $PACKAGES_TO_PREINSTALL $PACKAGES_TO_CBPREINSTALL; do
    touch "$BUILD_ROOT/.init_b_cache/preinstalls/$PKG"
done

rm -rf "$BUILD_ROOT/installed-pkg"
mkdir -p "$BUILD_ROOT/installed-pkg"

RPMCHECKOPTS=
RPMCHECKOPTS_HOST=
# on Fedora 10 rpmbuild is in a separate package so we need something else to
# detect rpm4
test -x $BUILD_ROOT/usr/bin/rpmquery && RPMCHECKOPTS="--nodigest --nosignature"
test -x /usr/bin/rpmquery && RPMCHECKOPTS_HOST="--nodigest --nosignature"

test -x $BUILD_ROOT/sbin/ldconfig && chroot $BUILD_ROOT /sbin/ldconfig 2>&1

typeset -ri suse_version=$(chroot $BUILD_ROOT rpm --eval '%{?suse_version}' 2>/dev/null)
typeset -i num cumulate=-1
typeset -a CUMULATED_LIST=()
typeset -a CUMULATED_PIDS=()
typeset -a CUMULATED_HMD5=()

DO_CUMULATE=
if ((suse_version > 1220)) ; then
    DO_CUMULATE=true
fi

MAIN_LIST="$PACKAGES_TO_INSTALL $PACKAGES_TO_CBINSTALL"
test -n "$DO_CUMULATE" && MAIN_LIST="$MAIN_LIST CUMULATED"
progress_setup MAIN_LIST
for PKG in $MAIN_LIST; do
    test -f $BUILD_ROOT/installed-pkg/$PKG && continue
    progress_step MAIN_LIST

    case $PKG in
    CUMULATED)
	#
	# Use the features of rpm which are reordering the list of packages to
	# satisfy dependencies and the final execution of the %posttrans scriplets
	#
	echo "now installing cumulated packages"
	((cumulate < 0)) && continue
	exec 4>$BUILD_ROOT/.init_b_cache/manifest
	for ((num=0; num<=cumulate; num++)) ; do
	    echo ${CUMULATED_LIST[$num]} 1>&4
	    PKG=${CUMULATED_LIST[$num]##*/}
	    test "$BUILD_ROOT/.init_b_cache/rpms/$PKG" -ef "$BUILD_ROOT/${CUMULATED_LIST[$num]}" && continue
	    rm -f $BUILD_ROOT/${CUMULATED_LIST[$num]}
	    cp $BUILD_ROOT/.init_b_cache/rpms/$PKG $BUILD_ROOT/${CUMULATED_LIST[$num]} || cleanup_and_exit 1
	done
	exec 4>&-
	chroot $BUILD_ROOT rpm --ignorearch --nodeps -Uh --oldpackage --ignoresize --verbose $RPMCHECKOPTS \
		$ADDITIONAL_PARAMS .init_b_cache/manifest 2>&1 || touch $BUILD_ROOT/exit 
	for ((num=0; num<=cumulate; num++)) ; do
	    rm -f $BUILD_ROOT/${CUMULATED_LIST[$num]}
	done
	rm -f .init_b_cache/manifest
	check_exit
	for ((num=0; num<=cumulate; num++)) ; do
	    PKG=${CUMULATED_LIST[$num]##*/}
	    echo "${CUMULATED_PIDS[$num]}" > $BUILD_ROOT/installed-pkg/${PKG%.rpm}
	    test -n "${CUMULATED_HMD5[$num]}" || continue
	    echo "${CUMULATED_HMD5[$num]} ${CUMULATED_PIDS[$num]}" > $BUILD_ROOT/.preinstall_image/${PKG%.rpm}
	done
	CUMULATED_LIST=()
	CUMULATED_PIDS=()
	CUMULATED_HMD5=()
	let cumulate=-1
	continue
	;;
    esac
    if test -e "$BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF" -a ! -s "$BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF" ; then
	# preinstallimage package, make sure it's in the image
	if ! test -e $BUILD_ROOT/.preinstall_image/$PKG ; then
	    echo "Package $PKG is missing from the preinstall image"
	    cleanup_and_exit 1
	fi
	read PKG_HDRMD5 PKGID < $BUILD_ROOT/.preinstall_image/$PKG
	echo "preinstalled ${PKGID%% *}"
	echo "$PKGID" > $BUILD_ROOT/installed-pkg/$PKG
	continue
    fi
    PKG_HDRMD5=
    if test -d $BUILD_ROOT/.preinstall_image ; then
	if ! test -e $BUILD_ROOT/.preinstall_image/$PKG ; then
	    PKG_HDRMD5=`perl -I$BUILD_DIR -MBuild -e 'print Build::queryhdrmd5($ARGV[0])' $BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF`
	    test -n "$PKG_HDRMD5" || cleanup_and_exit 1
	fi
    fi
    test -L $BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF || continue

    if test $PSUF = deb ; then
	# debian world, install deb files
	if ! test "$BUILD_ROOT/.init_b_cache/rpms/$PKG.deb" -ef "$BUILD_ROOT/.init_b_cache/$PKG.deb" ; then
	    rm -f $BUILD_ROOT/.init_b_cache/$PKG.deb
	    cp $BUILD_ROOT/.init_b_cache/rpms/$PKG.deb $BUILD_ROOT/.init_b_cache/$PKG.deb || cleanup_and_exit 1
	fi
	PKGID=`readlink $BUILD_ROOT/.init_b_cache/rpms/$PKG.deb`
	PKGID="${PKGID##*/}"
	PKGID="${PKGID%.deb} debian"
	echo "installing ${PKGID%% *}"
	( chroot $BUILD_ROOT dpkg --install --force all .init_b_cache/$PKG.deb 2>&1 || touch $BUILD_ROOT/exit ) | \
	    perl -ne '$|=1;/^(Configuration file|Installing new config file|Selecting previously deselected|\(Reading database|Unpacking |Setting up|Creating config file|Preparing to replace dpkg)/||/^$/||print'
	check_exit
	echo "$PKGID" > $BUILD_ROOT/installed-pkg/$PKG
	test -n "$PKG_HDRMD5" && echo "$PKG_HDRMD5 $PKGID" > $BUILD_ROOT/.preinstall_image/$PKG
        # ugly workaround for upstart system. some packages (procps) try
        # to start a service in their configure phase. As we don't have
        # a running upstart, we just link the start binary to /bin/true
	if test -e "$BUILD_ROOT/sbin/start"; then
	    if test "$BUILD_ROOT/sbin/start" -ef "$BUILD_ROOT/sbin/initctl" ; then
		echo "linking /sbin/start to /bin/true"
		mv "$BUILD_ROOT/sbin/start" "$BUILD_ROOT/sbin/start.disabled"
		ln -s "/bin/true" "$BUILD_ROOT/sbin/start"
	    fi
	fi
	# another workaround, see bug bnc#733699
	rm -f "$BUILD_ROOT/var/run/init.upgraded"
	continue
    fi

    if test $PSUF = arch ; then
	if ! test "$BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF" -ef "$BUILD_ROOT/.init_b_cache/$PKG.$PSUF" ; then 
	    rm -f $BUILD_ROOT/.init_b_cache/$PKG.$PSUF
	    cp $BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF $BUILD_ROOT/.init_b_cache/$PKG.$PSUF || cleanup_and_exit 1
	fi
	PKGID=`readlink $BUILD_ROOT/.init_b_cache/rpms/$PKG.$PSUF`
	PKGID="${PKGID##*/}"
	PKGID="${PKGID/%.pkg.tar.?z/.arch}"
	PKGID="${PKGID%.arch} arch"
	echo "installing ${PKGID%% *}"
	# -d -d disables deps checking
	( chroot $BUILD_ROOT pacman -Uf -d -d --noconfirm .init_b_cache/$PKG.$PSUF 2>&1 || touch $BUILD_ROOT/exit ) | \
	    perl -ne '$|=1;/^(warning: could not get filesystem information for |loading packages|looking for inter-conflicts|Targets |Total Installed Size: |Net Upgrade Size: |Proceed with installation|checking package integrity|loading package files|checking available disk space|installing |upgrading |warning:.*is up to date -- reinstalling|Optional dependencies for|    )/||/^$/||print'
	check_exit
	echo "$PKGID" > $BUILD_ROOT/installed-pkg/$PKG
	test -n "$PKG_HDRMD5" && echo "$PKG_HDRMD5 $PKGID" > $BUILD_ROOT/.preinstall_image/$PKG
	continue
    fi

    if test -f $BUILD_ROOT/.init_b_cache/rpms/$PKG.id -a -f $BUILD_ROOT/.init_b_cache/alreadyinstalled/$PKG ; then
	read PKGID < $BUILD_ROOT/.init_b_cache/rpms/$PKG.id
	read OLDPKGID < $BUILD_ROOT/.init_b_cache/alreadyinstalled/$PKG
	if test "$PKGID" = "$OLDPKGID" ; then
	    #echo "keeping ${PKGID%% *}"
	    echo "$PKGID" > $BUILD_ROOT/installed-pkg/$PKG
	    test -n "$PKG_HDRMD5" && echo "$PKG_HDRMD5 $PKGID" > $BUILD_ROOT/.preinstall_image/$PKG
	    continue
	fi
    fi

    PKGID=`rpm -qp --qf "$RPMIDFMT" $RPMCHECKOPTS_HOST $BUILD_ROOT/.init_b_cache/rpms/$PKG.rpm`

    if test -f $BUILD_ROOT/.init_b_cache/alreadyinstalled/$PKG ; then
	read OLDPKGID < $BUILD_ROOT/.init_b_cache/alreadyinstalled/$PKG
	if test "$PKGID" != "$OLDPKGID" ; then
	    echo deleting unwanted ${OLDPKGID%% *}
	    rpm_e "$PKG"
	elif test "$VERIFY_BUILD_SYSTEM" = true ; then
	    chroot $BUILD_ROOT rpm --verify $PKG 2>&1 | tee $TMPFILE
	    if grep ^missing $TMPFILE > /dev/null ; then
		echo deleting incomplete ${PKGID%% *}
		rpm_e "$PKG"
	    else
		#echo "keeping ${PKGID%% *}"
		echo "$PKGID" > $BUILD_ROOT/installed-pkg/$PKG
		test -n "$PKG_HDRMD5" && echo "$PKG_HDRMD5 $PKGID" > $BUILD_ROOT/.preinstall_image/$PKG
		continue
	    fi
	else
	    #echo "keeping ${PKGID%% *}"
	    echo "$PKGID" > $BUILD_ROOT/installed-pkg/$PKG
	    test -n "$PKG_HDRMD5" && echo "$PKG_HDRMD5 $PKGID" > $BUILD_ROOT/.preinstall_image/$PKG
	    continue
	fi
	if test -e "$BUILD_ROOT/.init_b_cache/preinstalls/$PKG" ; then
	    preinstall "$PKG"
	    # call for rpm-4.x and not rpm-devel
	    test -z "${PKG##rpm-[0-9]*}" && chroot $BUILD_ROOT rpm --rebuilddb
	    # also exec for exchanged rpm !  naming is rpm-x86-<target>-<ver>
	    test -z "${PKG##rpm-x86-*[0-9]*}" && chroot $BUILD_ROOT rpm --rebuilddb
	fi
    fi
    export ADDITIONAL_PARAMS=
    if test "$USE_FORCE" = true ; then
	export ADDITIONAL_PARAMS="$ADDITIONAL_PARAMS --force"
    fi
    # FIXME: work around for cross-build installs, we must not overwrite the running rpm
    if test "$PKG" = rpm ; then
	for i in $BUILD_ROOT/.init_b_cache/preinstalls/rpm-x86-* ; do
	    test -e "$i" && ADDITIONAL_PARAMS="$ADDITIONAL_PARAMS --justdb"
	done
    fi
    if test -n "$DO_CUMULATE" -a "$ADDITIONAL_PARAMS" = "${ADDITIONAL_PARAMS%--justdb}"; then
	echo "cumulate ${PKGID%% *}"
	let cumulate++
	CUMULATED_LIST[$cumulate]=".init_b_cache/$PKG.rpm"
	CUMULATED_PIDS[$cumulate]="$PKGID"
	CUMULATED_HMD5[$cumulate]="$PKG_HDRMD5"
	continue
    fi
    echo "installing ${PKGID%% *}"
    if ! test "$BUILD_ROOT/.init_b_cache/rpms/$PKG.rpm" -ef "$BUILD_ROOT/.init_b_cache/$PKG.rpm" ; then
	rm -f $BUILD_ROOT/.init_b_cache/$PKG.rpm
	cp $BUILD_ROOT/.init_b_cache/rpms/$PKG.rpm $BUILD_ROOT/.init_b_cache/$PKG.rpm || cleanup_and_exit 1
    fi
    ( chroot $BUILD_ROOT rpm --ignorearch --nodeps -U --oldpackage --ignoresize $RPMCHECKOPTS \
		$ADDITIONAL_PARAMS .init_b_cache/$PKG.rpm 2>&1 || \
	  touch $BUILD_ROOT/exit ) | \
	      grep -v "^warning:.*saved as.*rpmorig$"
    # delete link so package is only installed once
    rm -f $BUILD_ROOT/.init_b_cache/$PKG.rpm
    check_exit
    echo "$PKGID" > $BUILD_ROOT/installed-pkg/$PKG
    test -n "$PKG_HDRMD5" && echo "$PKG_HDRMD5 $PKGID" > $BUILD_ROOT/.preinstall_image/$PKG

done

if test $PSUF = deb ; then
    echo "configuring all installed packages..."
    # configure all packages after complete installation, not for each package like rpm does
    # We need to run this twice, because of cyclic dependencies as it does not succeed on most
    # debian based distros in the first attempt.
    if ! chroot $BUILD_ROOT dpkg --configure --pending  2>&1; then
       echo "first configure attempt failed, trying again..."
       chroot $BUILD_ROOT dpkg --configure --pending  2>&1 || touch $BUILD_ROOT/exit
    fi
fi

# devices can vanish if devs got uninstalled
test -c $BUILD_ROOT/dev/null || create_devs

cd $BUILD_ROOT || cleanup_and_exit 1

#
# setup /etc/mtab
#
rm -f $BUILD_ROOT/etc/mtab
cp /proc/mounts $BUILD_ROOT/etc/mtab
chmod 644 $BUILD_ROOT/etc/mtab

#
# to be sure, path is set correctly, we have to source /etc/profile before
# starting rpm.
#
# XXX
#rm -f $BUILD_ROOT/bin/rpm.sh
#cp $BUILD_LIBDIR/lib/rpm.sh $BUILD_ROOT/bin/rpm.sh
#chmod 755 $BUILD_ROOT/bin/rpm.sh
#test -f $BUILD_ROOT/bin/rpm -a ! -L $BUILD_ROOT/bin/rpm && \
#    mv $BUILD_ROOT/bin/rpm $BUILD_ROOT/bin/rpm.bin
#rm -f $BUILD_ROOT/bin/rpm
#ln -s rpm.sh $BUILD_ROOT/bin/rpm

#
# some packages use uname -r to decide which kernel is used to build for.
# this does not work in autobuild always.  Here is a wrapper script, that
# gets Version from kernel sources.
#
# XXX
#rm -f $BUILD_ROOT/bin/uname.sh
#cp -v $BUILD_LIBDIR/lib/uname.sh $BUILD_ROOT/bin/uname.sh
#chmod 755 $BUILD_ROOT/bin/uname.sh
#test -f $BUILD_ROOT/bin/uname -a ! -L $BUILD_ROOT/bin/uname && \
#    mv $BUILD_ROOT/bin/uname $BUILD_ROOT/bin/uname.bin
#rm -f $BUILD_ROOT/bin/uname
#ln -s uname.sh $BUILD_ROOT/bin/uname

#
# some distributions have a /etc/rpmrc or /etc/rpm/macros and some not.
# make sure, that it is setup correctly.
#
# XXX
#rm -f $BUILD_ROOT/etc/rpmrc
#if test -e $BUILD_LIBDIR/lib/rpmrc.$BUILD_BASENAME ; then
#    cp -v $BUILD_LIBDIR/lib/rpmrc.$BUILD_BASENAME $BUILD_ROOT/etc/rpmrc
#elif test -e $BUILD_LIBDIR/lib/rpmrc ; then
#    cp -v $BUILD_LIBDIR/lib/rpmrc $BUILD_ROOT/etc/rpmrc
#fi

# XXX
#rm -f $BUILD_ROOT/etc/rpm/macros $BUILD_ROOT/etc/rpm/suse_macros
#mkdir -p $BUILD_ROOT/etc/rpm
#if test -e $BUILD_LIBDIR/lib/macros.$BUILD_BASENAME ; then
#    cp -v $BUILD_LIBDIR/lib/macros.$BUILD_BASENAME $BUILD_ROOT/etc/rpm/macros
#    cp -v $BUILD_LIBDIR/lib/macros.$BUILD_BASENAME $BUILD_ROOT/etc/rpm/suse_macros
#elif test -e $BUILD_LIBDIR/lib/macros ; then
#    cp -v $BUILD_LIBDIR/lib/macros $BUILD_ROOT/etc/rpm/macros
#    cp -v $BUILD_LIBDIR/lib/macros $BUILD_ROOT/etc/rpm/suse_macros
#fi

#
# make sure, that our nis is not present in the chroot system
#
test -e $BUILD_ROOT/etc/nsswitch.conf && {
    echo removing nis flags from $BUILD_ROOT/etc/nsswitch.conf...
    cat $BUILD_ROOT/etc/nsswitch.conf | sed -e"s:nis::g" > \
	$BUILD_ROOT/etc/nsswitch.conf.tmp
    mv $BUILD_ROOT/etc/nsswitch.conf.tmp $BUILD_ROOT/etc/nsswitch.conf
}

#
# creating some default directories
for DIR in /usr/share/doc/packages \
	   /usr/X11R6/include/X11/pixmaps \
	   /usr/X11R6/include/X11/bitmaps ; do
    mkdir -p $BUILD_ROOT/$DIR
done

for FILE in /var/run/utmp /var/log/wtmp /etc/fstab ; do
    mkdir -p $BUILD_ROOT/${FILE%/*}
    touch $BUILD_ROOT/$FILE
done

echo now finalizing build dir...
if test -x $BUILD_ROOT/sbin/ldconfig ; then
	CHROOT_RETURN="`chroot $BUILD_ROOT /sbin/ldconfig 2>&1`"
	case "$CHROOT_RETURN" in
	    *warning:*)
	      chroot $BUILD_ROOT /sbin/ldconfig
	      echo
	      echo chroot $BUILD_ROOT /sbin/ldconfig
	      echo
	      echo "$CHROOT_RETURN"
	      echo
	      echo "Problem with ldconfig.  It's better to reinit the build system..."
	      echo
	      cleanup_and_exit 1
	    ;;
	esac
fi
test -x $BUILD_ROOT/usr/sbin/Check && chroot $BUILD_ROOT /usr/sbin/Check

mkdir -p $BUILD_ROOT/var/adm/packages
touch $BUILD_ROOT/var/adm/packages
if test -x $BUILD_ROOT/sbin/SuSEconfig ; then
    if grep norestarts $BUILD_ROOT/sbin/SuSEconfig > /dev/null ; then
	chroot $BUILD_ROOT /sbin/SuSEconfig --norestarts --force
    else
	chroot $BUILD_ROOT /sbin/SuSEconfig --force
    fi
fi

if test -x $BUILD_ROOT/usr/X11R6/bin/switch2mesasoft ; then
    chroot $BUILD_ROOT /usr/X11R6/bin/switch2mesasoft
fi

for PROG in /usr/bin/TeX/texhash /usr/bin/texhash ; do
    test -x $BUILD_ROOT/$PROG && \
	chroot $BUILD_ROOT bash -c ". /etc/profile ; $PROG"
done

if test -e $BUILD_ROOT/usr/share/zoneinfo/UTC ; then
    for PROG in /usr/sbin/zic /usr/bin/zic /bin/zic /sbin/zic ; do
        test -x $BUILD_ROOT/$PROG  && chroot $BUILD_ROOT $PROG -l UTC
    done
fi

test -e $BUILD_ROOT/.build/init_buildsystem.data || HOST=`hostname`
test -e $BUILD_ROOT/etc/hosts || echo "127.0.0.1 localhost" > $BUILD_ROOT/etc/hosts
if ! grep -F "127.0.0.1 $HOST" $BUILD_ROOT/etc/hosts > /dev/null ; then
    # this makes a reverse lookup on 127.0.0.1 return the host name,
    # which is bad, but 127.0.0.2 does not work on all unix systems
    echo "127.0.0.1 $HOST" > $BUILD_ROOT/etc/hosts.new
    test -f $BUILD_ROOT/etc/hosts && cat $BUILD_ROOT/etc/hosts >> $BUILD_ROOT/etc/hosts.new
    mv $BUILD_ROOT/etc/hosts.new $BUILD_ROOT/etc/hosts
fi

if test -x $BUILD_ROOT/bin/rpm -a ! -f $BUILD_ROOT/var/lib/rpm/packages.rpm -a ! -f $BUILD_ROOT/var/lib/rpm/Packages ; then
    echo "initializing rpm db..."
    chroot $BUILD_ROOT rpm --initdb || cleanup_and_exit 1
    # create provides index
    chroot $BUILD_ROOT rpm -q --whatprovides rpm >/dev/null 2>&1
fi

# create modules.dep in kvm/xen
# This can not work, until we use the native repository kernel
#if [ $BUILD_ROOT = "/" -a -x /sbin/depmod ]; then
#  /sbin/depmod -a
#fi

rm -f $BUILD_ROOT/.rpmmacros $BUILD_ROOT/root/.rpmmacros
rm -rf "$BUILD_ROOT/.init_b_cache"
rm -f $BUILD_IS_RUNNING
rm -f $TMPFILE

cleanup_and_exit 0