if [ x = "x$REVISION" ] ; then
# The extra M at the end is for Modified
export REVISION=`cd "$1"; git svn find-rev \`git rev-list --max-count=1 --grep='git-svn-id: ' HEAD\``M
if [ x = "x$REVISION" ] ; then
# The extra M at the end is for Modified
export REVISION=`cd "$1"; git svn find-rev \`git rev-list --max-count=1 --grep='git-svn-id: ' HEAD\``M