GetSourceVersion

#!/bin/sh

usage() {
echo"usage: $0 <source root>"
echo" Prints the source control revision of the given source directory,"
echo" the exact format of the revision string depends on the source "
echo" control system. If the source control system isn't known, the output"
echo" is empty and the exit code is 1."
exit 1
}

if [ $#!= 1 ] || [ !-d$1 ];then
 usage;
fi

cd$1
if [ -d .svn ];then
 svnversion | sed -e "s#\([0-9]*\)[A-Z]*#\1#"
elif [ -f .git/svn/.metadata ];then
 git svn info | grep 'Revision:'| cut -d: -f2-
elif [ -d .git ];then
 git log -1 --pretty=format:%H
else
exit 1;
fi

exit 0