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#!/bin/bash
# Copyright 2010 Nicolás Reynolds

# ---------- GNU General Public License 3 ----------
 
# This file is part of Parabola. 
 
# Parabola 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 3 of the License, or 
# (at your option) any later version. 
 
# Parabola 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 Parabola. If not, see <http://www.gnu.org/licenses/>. 

[[ -z "${1}" ]] && {
 echo "This scripts enters into the build chroot."
 echo "Usage: $0 <chroot name>"
    echo "Example: \`$0 root\` enters the 'root' chroot"
    exit 1
}

[[ $UID -ne 0 ]] && {
    echo "This script must be run as root"
    exit 2
}

source /etc/libretools.conf
custom_config=$XDG_CONFIG_HOME/libretools/libretools.conf
[[ -e $custom_config ]] && source $custom_config

[[ ! -d $CHROOTDIR/$1/ ]] && {
    echo "There's no $CHROOTDIR/$1"
    exit 3
}

mount -t proc proc $CHROOTDIR/$1/proc/
mount -t sysfs sys $CHROOTDIR/$1/sys/
mount -o bind /dev $CHROOTDIR/$1/dev/

cp -L /etc/resolv.conf $CHROOTDIR/$1/etc/resolv.conf >/dev/null 2>&1

chroot $CHROOTDIR/$1 /bin/bash

umount $CHROOTDIR/$1/proc/
umount $CHROOTDIR/$1/sys/
umount $CHROOTDIR/$1/dev/

exit 0