#!/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/>.

. /etc/libretools.conf

cmd=${0##*/}

usage() {
	echo "Usage: $cmd [OPTIONS] [CHROOT]"
	echo 'This script will create a chroot to build packages in.'
	echo "Use \`librechroot' to interact with the chroot after it is created."
	echo ''
	echo "The default CHROOT is \`${CHROOT}'."
	echo ''
	echo 'Options:'
	echo ' -h              Show this message'
	echo ''
	echo ' -d <chrootdir>  Use this dir instead of "$CHROOTDIR".'
	echo ' -C <file>       Location of pacman config file.'
	echo ' -M <file>       Location of makepkg config file.'
}

main() {
	mkarchroot_args=();
	while getopts 'hfd:C:M:' arg; do
		case "$arg" in
			C|M) mkarchroot_args+=("-$arg" "$OPTARG");;
			d) CHROOTDIR=$OPTARG;;

			h) usage; exit 0;;
			*) usage; exit 1;;
		esac
	done
	shift $(($OPTIND - 1))
	case $# in
		0) :;;
		1) CHROOT="$1";;
		*) usage; exit 1;;
	esac

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

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

main "$@"