#!/bin/bash
# LibreMkChroot
# Creates a chroot

# Copyright 2011, 2012 Luke Shumaker

# ---------- 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/>.

source /etc/libretools.conf

if [ -e "$XDG_CONFIG_HOME/libretools/libretools.conf" ]; then
    source "$XDG_CONFIG_HOME/libretools/libretools.conf"
fi

cmd=${0##*/}
function usage {
	echo "Usage: $cmd [OPTIONS]"
	echo 'This script will create a chroot to build packages in.'
	echo "Use \`librechroot' to interact with the chroot after it is created."
	echo ''
	echo 'Options:'
	echo ' -h              Show this message'
	echo ''
	echo ' -f              Force overwrite of files in the working-dir'
	echo ''
	echo ' -d <chrootdir>  Use this dir instead of "$CHROOTDIR".'
	echo " -c <pacmandir>  Location of pacman cache. Default: \`/var/cache/pacman/pkg'."
	echo ' -C <file>       Location of pacman config file.'
	echo ' -M <file>       Location of makepkg config file.'
}

mkchroot_args=();
while getopts 'hfd:c:C:M:' arg; do
	case "$arg" in
		h) usage; exit 0 ;;
		f) mkchroot_args+=("-$arg");;
		c|C|M) mkchroot_args+=("-$arg" "$OPTARG");;
		d) CHROOTDIR=$OPTARG ;;
		?) usage; exit 1 ;;
	esac
done

if (( EUID )); then
	error "This script must be run as root"
	exit 1
fi

mkdir -p "${CHROOTDIR}"
xargs -d'\n' mkarchroot "${mkchroot_args[@]}" "${CHROOTDIR}/root" < /etc/libretools.d/cleansystem