#!/bin/sh
#
# Locates directory that contains $1.

pwd="`pwd`"
start="$pwd"
while [ ! "$pwd" -ef .. ]; do
    [ -e "$1" ] && echo -n "$pwd" && exit
    cd .. || exit 1
    pwd="`pwd`"
done

echo "Could not find '$1' in any sub-directory of '$start'" 1>&2
exit 1