#!/bin/sh

# Determine the version string to build into a binary.
# When building in the git repository, we can use the output 
# of "git describe" which gives an unequivocal answer.
#
# Failing that, we use the contents of the VERSION file
# which has a set of references substituted into it by git.
# If we can find one which matches $v[0-9].* then we assume it's
# a version-number tag, else we just use the whole string.

# we're called with pwd == TLD
cd ..

if which git >/dev/null 2>&1 && [ -d .git ]; then
     git describe
elif grep '\$Format:%d\$' VERSION >/dev/null 2>&1; then
# unsubstituted VERSION, but no git available.
    echo UNKNOWN
else
     vers=`cat VERSION | sed 's/[(), ]/\n/ g' | grep $v[0-9] | head -n 1`

     if [ $? -eq 0 ]; then
         echo ${vers#v}
     else
         cat VERSION
     fi
fi

exit 0