#! /bin/sh
#
# Shell script to add stuff to user's path.  It tries to find
# /local/$1/bin, then /commercial/$1/bin, then the newest
# /local/*/bin/$1, then the newest /commercial/*/bin/$1.
#
# Complaints to slumos@cs.unlv.edu

oldpath=$PATH
PATH=/bin:/usr/bin:/usr/ucb:/usr/bsd

usage ()
{
    echo "usage: $0 <name of package or program you want to use>"
}

if [ $# -ne "1" -o $1 = "-h" ]; then
    usage
fi

dir=""
if [ -d "/local/$1/bin" ]; then 
    dir="/local/$1/bin"
elif [ -d "/commercial/$1/bin" ]; then
    dir="/commercial/$1/bin"
else
    echo "Searching..." 1>&2
    file=`ls -t /local/*/bin/$1 | head -1`
    if [ -f "${file}" ]; then
	echo "Found $1 as ${file}" 1>&2
	dir=`dirname ${file}`
    else
	file=`ls -t /commercial/*/bin/$1 | head -1`
	if [ -f "${file}" ]; then
	    echo "Found $1 as ${file}" 1>&2
	    dir=`dirname ${file}`
	fi
    fi
fi

mandir=`echo ${dir} | sed 's/bin$/man/g'`

if (echo ${oldpath} | tr ':' '\012' | grep "^${dir}\$" >/dev/null 2>&1); then 
    dir=""
fi

if [ x${dir} != x ]; then
    if [ x${SHELL} = "xcsh" ]; then
	echo "set path (${dir} ${path})"
    else
	echo "PATH=${dir}:\$PATH; export PATH"
    fi
fi

if (echo $MANPATH | tr ':' '\012' | grep "^${mandir}\$" >/dev/null 2>&1); then
    mandir=""
fi

if [ x${mandir} != x ]; then
    if [ x${SHELL} = "xcsh" ]; then
	[ -d ${mandir} ] && echo "setenv MANPATH ${mandir}:\$MANPATH"
    else
	[ -d ${mandir} ] && echo "MANPATH=${mandir}:\$MANPATH; export MANPATH"
    fi
fi