#!/bin/bash
set -e
trap ctrl_c INT

function ctrl_c() {
	exit 1
}

function bind() {
	set +e
	mountpoint -q "$2"
	if [ $? = 0 ]; then
		set -e
		return 0
	fi
	
	set -e
	mount --bind -o x-gvfs-hide "$1" "$2"
}

bind "/dev"     "$1/dev"
bind "/dev/pts" "$1/dev/pts"
bind "/sys"     "$1/sys"
bind "/proc"    "$1/proc"
chroot "$1" ${@:2}