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|
#! /bin/bash
# common modules for pbuilder.
# pbuilder -- personal Debian package builder
# Copyright (C) 2001-2003 Junichi Uekawa
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
set -e
function cleanup_function () {
rm -f ${INSIDE_PBUILDER}
${EXTRACLEANUP}
}
. /usr/lib/pbuilder/pbuilder-loadconfig
for SYSTEM_CONFIG in /usr/share/pbuilder/pbuilder-uml.conf /etc/pbuilder/pbuilder-uml.conf ${HOME}/.pbuilderrc; do
if [ -f ${SYSTEM_CONFIG} ]; then
. ${SYSTEM_CONFIG}
fi
done
function usecow () {
PBUILDER_COWFILENAME="${BUILDPLACE}/$$.cow"
PBUILDER_COW="${PBUILDER_COWFILENAME},"
if ! touch "${PBUILDER_COWFILENAME}"; then
echo "E: Cannot write-access to the COW file, check buildplace"
exit 1;
fi
rm -f "${PBUILDER_COWFILENAME}"
}
function cleancow () {
# clean the cow file
rm -f "${PBUILDER_COWFILENAME}"
}
function operate_uml () {
# opeartes on UML, and runs pbuilder $1
# use this script file to bootstrap the pbuilder inside the UML
INSIDE_PBUILDER=$(tempfile)
trap cleanup_function exit
UML_CHROOT_MOUNTPOINT=/var/cache/pbuilder/pbuilder-mnt
UML_CHROOT_BUILDRESULTMOUNTDIR=/var/cache/pbuilder/pbuilder-umlresult
#The following script is ran inside UML as soon as it is started.
cat <<EOF > ${INSIDE_PBUILDER}
#! /bin/bash
${UML_DEBUGMODE}
mount -t proc /proc /proc
mount -t tmpfs /tmp /tmp
#if ! fsck -p /dev/ubd/1; then
# echo "W: Failed to fsck /dev/ubd/1"
#fi
if ! mount -t ext2 /dev/ubd/1 ${UML_CHROOT_MOUNTPOINT}; then
echo "E: Cannot mount /dev/ubd/1, is UML root image accessible as current user?"
exit 1
fi
export LOGNAME="${LOGNAME}"
export HOME="${HOME}"
hostname "${UML_HOSTNAME}"
if [ "${UML_MOUNT_TMPFS}" = "yes" ]; then
mount -t tmpfs ${UML_CHROOT_MOUNTPOINT}/tmp ${UML_CHROOT_MOUNTPOINT}/tmp
else
# clean up tmp before playing with it.
rm -rf ${UML_CHROOT_MOUNTPOINT}/tmp
mkdir ${UML_CHROOT_MOUNTPOINT}/tmp
chmod 1777 ${UML_CHROOT_MOUNTPOINT}/tmp
fi
cat <<IP > ${UML_CHROOT_MOUNTPOINT}/etc/network/interfaces
auto lo
iface lo inet loopback
# The first network card - this entry was created during the Debian installation
auto eth0
iface eth0 inet static
address $UML_IP
netmask $UML_NETMASK
network $UML_NETWORK
broadcast $UML_BROADCAST
gateway $UML_GATEWAY
IP
cat <<SHELL > ${UML_CHROOT_MOUNTPOINT}/tmp/chrootshell
#! /bin/bash
${UML_DEBUGMODE}
# the shell executed inside chroot inside UML
echo Starting network inside the chroot
/etc/init.d/networking stop
/etc/init.d/networking start
SHELL
chmod a+x ${UML_CHROOT_MOUNTPOINT}/tmp/chrootshell
chroot ${UML_CHROOT_MOUNTPOINT} /tmp/chrootshell
#some variables need to be set from outside values, possibly
export PATH=/sbin:/bin:/usr/sbin:/usr/bin
export TMPDIR=/tmp
unset EXTRAOPT || true
declare -a EXTRAOPT
if [ -n "${UML_DISTRIBUTION}" ]; then
EXTRAOPT[0]="--distribution"
EXTRAOPT[1]="${UML_DISTRIBUTION}"
fi
if [ -z "${UML_BUILDRESULT}" ]; then
BUILDRESULT=
else
echo " -> Mount build result dir outside UML [${UML_BUILDRESULT}] as [${UML_CHROOT_BUILDRESULTMOUNTDIR}]"
BUILDRESULT=${UML_CHROOT_BUILDRESULTMOUNTDIR}
mkdir -p ${UML_CHROOT_BUILDRESULTMOUNTDIR} || true
mount -t hostfs none "${UML_CHROOT_BUILDRESULTMOUNTDIR}" -o "${UML_BUILDRESULT}"
fi
pbuilder "$1" ${UML_EXTRAOPT} \${EXTRAOPT[@]} --buildresult "\${BUILDRESULT}" --buildplace "${UML_CHROOT_MOUNTPOINT}" --internal-build-uml ${BUILDING_DSC_FILE} ${UML_EXECUTE_EXTRAOPT}
echo \$? > /proc/exitcode
EOF
chmod a+x ${INSIDE_PBUILDER}
if [ $( id -u ) = 0 ]; then
echo "W: You are uid=0. Don't run UML as uid=0, it's not supported."
fi
echo Invoking: "linux mem=${UML_MEM} eth0=${MY_ETH0} con0=fd:0,fd:1 con=pty root=/dev/root rootflags=/ rootfstype=hostfs ubd1=${PBUILDER_COW}${PBUILDER_UML_IMAGE} devfs=mount init=${INSIDE_PBUILDER} rw"
if linux mem=${UML_MEM} eth0=${MY_ETH0} con0=fd:0,fd:1 con=pty root=/dev/root rootflags=/ rootfstype=hostfs ubd1="${PBUILDER_COW}${PBUILDER_UML_IMAGE}" devfs=mount init=${INSIDE_PBUILDER} rw ; then
UML_EXITCODE=$?
echo " -> Successful exit from user-mode linux"
else
UML_EXITCODE=$?
echo " -> Exit code ${UML_EXITCODE}"
fi
}
PBUILDER_COW=""
OPERATION="$1"
UML_EXTRAOPT=
UML_DEBUGMODE=
UML_EXECUTE_EXTRAOPT=
shift;
while [ -n "$1" ] ; do
case "$1" in
--eth0)
MY_ETH0="$2";
shift; shift;
;;
--uml-ip)
UML_IP="$2";
shift; shift;
;;
--uml-netmask)
UML_NETMASK="$2";
shift; shift;
;;
--uml-network)
UML_NETWORK="$2";
shift; shift;
;;
--uml-broadcast)
UML_BROADCAST="$2";
shift; shift;
;;
--uml-gateway)
UML_GATEWAY="$2";
shift; shift;
;;
--uml-image)
PBUILDER_UML_IMAGE="$2";
shift; shift;
;;
--mount-tmpfs)
UML_MOUNT_TMPFS="$2";
shift; shift;
;;
--uml-mem)
UML_MEM="$2";
shift; shift;
;;
--uml-hostname)
UML_HOSTNAME="$2";
shift; shift;
;;
--uml-debugmode)
UML_DEBUGMODE="set -x";
shift;;
--distribution)
UML_DISTRIBUTION="$2";
shift; shift;
;;
#things that can be passed through without options
--override-config|--binary-arch)
UML_EXTRAOPT="${UML_EXTRAOPT} $1"
shift;;
--configfile)
UML_EXTRAOPT="${UML_EXTRAOPT} $1 $2"
. "$2"
shift; shift;;
#things that can be passed through with options
--timeout|--http-proxy|--hookdir|--aptconfdir|--bindmounts|--mirror|--nonusmirror)
UML_EXTRAOPT="${UML_EXTRAOPT} $1 $2"
shift; shift;;
--buildresult)
# ignore buildresult
if [ -d "$2" ]; then
UML_BUILDRESULT=$(readlink -f "$2")
else
echo "E: Directory $d does not exist" >&2
exit 1
fi
shift; shift;;
--buildplace)
if [ -d "$2" ]; then
BUILDPLACE=$(readlink -f "$2")
else
echo "E: Directory $d does not exist" >&2
exit 1
fi
shift; shift;;
--logfile)
exec > "$2";
exec 2>&1
PBUILDER_BUILD_LOGFILE=$(readlink -f "$2")
shift;shift;;
--)
shift;
break;
;;
--*)
echo "Error: Unknown option [$1] was specified " >&2
exit 1;
;;
*)
break;
;;
esac
done
if ! touch "${BUILDPLACE}/touch" ; then
echo "E: Cannot touch BUILDPLACE/touch, check BUILDPLACE" >&2
exit 1
fi
BUILDING_DSC_FILE=$(readlink -f "$1") || true # ignore failure here
EXTRACLEANUP=
UML_EXITCODE=1
case "${OPERATION}" in
build)
usecow
EXTRACLEANUP=cleancow
operate_uml build
;;
update)
operate_uml update
;;
login)
usecow
EXTRACLEANUP=cleancow
operate_uml login
;;
execute)
usecow
EXTRACLEANUP=cleancow
shift;
UML_EXECUTE_EXTRAOPT="${UML_EXECUTE_EXTRAOPT} $@"
operate_uml execute
;;
create)
if [ -n "${UML_DISTRIBUTION}" ]; then
if [ ! -d ~/.pbuilder-user-mode-linux ]; then
mkdir ~/.pbuilder-user-mode-linux
fi
sed "s/dist=.*/dist=${UML_DISTRIBUTION}/" /etc/rootstrap/rootstrap.conf > ~/.pbuilder-user-mode-linux/rootstrap.conf
if [ -f rootstrap.conf ]; then
sed "s/dist=.*/dist=${UML_DISTRIBUTION}/" rootstrap.conf > ~/.pbuilder-user-mode-linux/rootstrap.conf
fi
cd ~/.pbuilder-user-mode-linux
fi
rootstrap -s 1000 ${PBUILDER_UML_IMAGE}
operate_uml update
;;
*)
echo "Error: Unknown option [${OPERATION}] was specified " >&2
;;
esac
exit ${UML_EXITCODE}
|