#!/bin/sh
###############################################################################
# BRLTTY - A background process providing access to the console screen (when in
#          text mode) for a blind person using a refreshable braille display.
#
# Copyright (C) 1995-2012 by The BRLTTY Developers.
#
# BRLTTY comes with ABSOLUTELY NO WARRANTY.
#
# This is free software, placed 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. Please see the file LICENSE-GPL for details.
#
# Web Page: http://mielke.cc/brltty/
#
# This software is maintained by Dave Mielke <dave@mielke.cc>.
###############################################################################

. "`dirname "${0}"`/prologue.sh"
set -e

[ "${#}" -gt 0 ] || syntaxError "missing source root"
sourceRoot="${1}"
shift

[ "${#}" -eq 0 ] || syntaxError "too many parameters"

revision="`svnversion -n "${sourceRoot}" 2>/dev/null`" || revision=""
[ "${revision}" != "exported" ] || revision=""
[ -n "${revision}" ] || read <"${sourceRoot}/REVISION" x revision x

[ -n "${revision}" ] || semanticError "build revision not known"
echo "${revision}"
exit 0
