.kshpwd

#
#	.kshpwd - local stuff to abbreviate PWD...
#
#ident	"@(#)HOME:.kshpwd	37.3	22/02/23 17:23:53 (woods)"

# This works entirely with global variables -- handling parameters is just more
# unnecessary overhead for this purpose
#
function pwd_to_banner
{
	case "$PWD" in
	${HOME})
		# avoid the trailing slash, e.g.: sh://host/~/
		BANNER_PWD='~'
		;;
	${HOME}/*)
		BANNER_PWD='~'${PWD#$HOME}
		;;
	$(dirname ${HOME})/*)
		BANNER_PWD='~'"${PWD#$(dirname $HOME)/}"
		;;
	/home/*)
		BANNER_PWD='~'"${PWD#/home/}"
		;;
	"*/work?(.d)/${LOGNAME}/*")
		BANNER_PWD='mywork:'"${PWD#*/work?(.d)/${LOGNAME}/}"
		;;
	"*/work?(.d)/*")
		BANNER_PWD='work:'"${PWD#*/work?(.d)/}"
		;;
	/usr/src/*)
		BANNER_PWD='src:'"${PWD#/usr/src/}"
		;;
	/usr/pkgsrc/*)
		BANNER_PWD='pkgsrc:'"${PWD#/usr/pkgsrc/}"
		;;
	/usr/xsrc/*)
		BANNER_PWD='xsrc:'"${PWD#/usr/xsrc/}"
		;;
	*)
		# trim just the leading slash to avoid "sh://host//dir"
		BANNER_PWD="${PWD#/}"
		;;
	esac
}

unalias cd 2>/dev/null
alias cd='_cd'
function _cd
{
	if [ -n "$*" ]; then
		\cd "$*"
	else
		# XXX "\cd ''" goes nowhere
		\cd
	fi
	pwd_to_banner
	if [ "$(ismpx)" = yes ] ; then
		eval myxban -l "\"$MYXBAN_L\""
	# there would be no point without setban, but we must test it anyway
	elif type setban > /dev/null 2>&1 ; then
		setban
	fi
}

# make sure BANNER_PWD is now set as we want it,
# but _ONLY_ for interactive shells!
#
case "$0" in
-*)
	cd .
	;;
esac