cryptonas/cbox-tree.d/usr/lib/cryptobox/chroot-start.sh

#!/bin/sh
#
# FOR DEVELOPMENT ONLY!
#
# this script is used to prepare a chroot session for testing or configuring
#
# called by:
#	- cbox-build.sh
#
# parameter: [commandline]
#
# if "commandline" is empty, "bash" will be used

set -eu

MNT_SRC=/opt/dfsruntime/runtimerd
MNT_DST=/opt/dfsruntime/runtimemnt
# the directory /tmp/ can not be used, as it is still a broken link, too
TMP_DIR="/tmp-`basename $0`-$$"


cp -a "$MNT_SRC/." "$TMP_DIR"
mount -n --bind "$TMP_DIR" "$MNT_DST"

[ ! -e /dev/null ] && mknod "/dev/null" c 1 3 && chmod 666 "/dev/null"
[ ! -e /dev/urandom ] && mknod "/dev/urandom" c 1 9 && chmod 444 "/dev/urandom"
[ ! -e /dev/console ] && mknod "/dev/console" c 1 5 && chmod 660 "/dev/console"

[ ! -e /proc/mounts ] && mount -n -t proc proc /proc

# default language setting - prevents dpkg error messages
export LANG=C

# set default terminal (good if you are running in a screen session)
export TERM=linux

# execute parameters as commandline
if [ $# -gt 0 ]
	then	"$@"
	else	bash
  fi

umount -n "$MNT_DST"
umount -n proc
rm -r "$TMP_DIR"