#!/bin/sh

#

# This generates a version string which includes recent version as

# specified in correspondent sub project's configure.ac file, plus

# git revision abbreviation in the case if sub-project HEAD is different

# from recent tag, plus "-dirty" suffix if local uncommitted changes are

# in the sub project tree.

#

usage()

{

	echo "Usage: $0"

	exit 2

}

cd `dirname $0`

packege=`basename \`pwd\``

conf_file=configure.ac

version=`cat $conf_file | sed -ne '/AC_INIT.*.*/s/^AC_INIT.*, \(.*\),.*$/\1/p'`

git diff --quiet $packege-$version..HEAD -- ./ > /dev/null 2>&1

if [ $? -eq 1 ] ; then

	abbr=`git rev-parse --short --verify HEAD 2>/dev/null`

	if [ ! -z "$abbr" ] ; then

		version="${version}_${abbr}"

	fi

fi

git diff-index --quiet HEAD -- ./> /dev/null 2>&1

if [ $? -eq 1 ] ; then

	version="${version}_dirty"

fi

echo $version