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#!/bin/sh
# sets up an environment so that daemons don't actually get run,
# and proc is mounted for package installs which may require it.
# copyright 2004 vagrant@freegeek.org, distributed under the terms of the
# GNU General Public License version 2 or any later version.
if [ -r /etc/lessdisks-install.conf ]; then
. /etc/lessdisks-install.conf
fi
if [ -r /etc/lessdisks/server.config ]; then
. /etc/lessdisks/server.config
fi
if [ -n "$1" ]; then
if [ -d $1 ]; then
# use alternate chroot
lessdisks_path="$1"
shift
fi
fi
if [ -z "$lessdisks_path" ] || [ ! -d "$lessdisks_path" ]; then
exit 1
fi
mountpoint=$(which mountpoint)
do_chroot_mount() {
chroot $lessdisks_path mount -t $@
umounts="$umounts $3"
}
chroot_mount() {
if [ -z "$mountpoint" ]; then
do_chroot_mount $@
else
mountpoint -q $lessdisks_path/$3 || do_chroot_mount $@
fi
}
# some package installs make use of /proc, so mount it
chroot_mount proc proc /proc
chroot_mount devpts devpts /dev/pts -o rw,gid=5,mode=620
chroot_mount tmpfs tmpfs /tmp
# set start-stop-daemon to behave like fake daemon
# so that packages which attempt to start servers don't do so while
# in the chroot.
LESSDISKS_START_STOP_DAEMON=fake chroot $lessdisks_path $@
# grab exit code from executed command
status="$?"
# unmount chrooted mountpoints
for a in $umounts ; do
umount $lessdisks_path/$a
done
# TODO support exit codes from the various umounts...
exit $status
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