#!/bin/sh -e
#
# Copyright (C) 2003  Dmitry V. Levin <ldv@altlinux.org>
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#

unset CDPATH ||:
PROG="${0##*/}"

Info()
{
	echo "${0##*/}: $*" >&2
}

Fatal()
{
	echo "${0##*/}: $*" >&2
	exit 1
}

ValidateBuildRoot()
{
	[ -n "$(printf %s "$RPM_BUILD_ROOT" |tr -d ' /.')" ] ||
		Fatal "invalid \$RPM_BUILD_ROOT"
}

# Quote given arguments for sed basic regular expression.
# Usage example: sed "s/$(quote_sed_regexp "$var_pattern")/$(quote_sed_regexp "$var_replacement")/"
# Taken from libshell.
quote_sed_regexp()
{
	local out="$*"
	if [ -z "${out##*[\[\].*&^\$\\\\/]*}" ]; then
		out="$(printf %s "$out" |sed -e 's/[].*&^$[\/]/\\&/g')" ||
			return 1
	fi
	printf %s "$out"
}
