#!/bin/sh

if [[ ! -f /etc/env.d/99gcj ]] ; then
	echo "Setting correct LDPATH ..."
	rm -rf /etc/env.d/99gcj
	echo "LDPATH=\"/usr/lib/gcj/lib\"" > /etc/env.d/99gcj
	/usr/sbin/env-update || echo "ERROR: env-update failed?!"
fi

LIBDIR="lib"
INSTPATH="/usr/${LIBDIR}"
CONFFILE="/usr/share/gcj-config/conf"
if [[ ! -f "${CONFFILE}" ]] ; then
	echo "Configuration file missing!"
	echo "Generating dummy configuration file."
	echo
	echo "You have to set your prefered GCJ now!"
	echo
	echo "Run:"
	echo "# gcj-config -l"
	echo "# gcj-config gcj-<VERSION>"

	mkdir -p $(dirname ${CONFFILE})
	echo "current=\"${INSTPATH}/gcj-4.1.0/bin\"" > ${CONFFILE}

	exit 1
fi

GCJ="$(sed -n -r -e "s:^current=.*/(gcj-.*)/.*:\1:p" ${CONFFILE})"
if [[ ${#} -eq 0 ]] ; then
	echo "Version set: ${GCJ}"
	echo
	echo "	List of GCJ installations:	gcj-config -l"
	echo "	Set GCJ version:		gcj-config gcj-VERSION"
else
	case ${1} in
		--gcj)
if [[ ${CBUILD} != ${CHOST} ]]; then
	echo "$(sed -n -r -e "s:current=\"(.*)\":\1:p" ${CONFFILE})/${CHOST}-gcj"
else
	echo "$(sed -n -r -e "s:current=\"(.*)\":\1:p" ${CONFFILE})/gcj"
fi
;;
		--dbtool)
echo "$(sed -n -r -e "s:current=\"(.*)\":\1:p" ${CONFFILE})/gcj-dbtool"
;;
		--gij)
echo "$(sed -n -r -e "s:current=\"(.*)\":\1:p" ${CONFFILE})/gij"
;;
		--gjar)
echo "$(sed -n -r -e "s:current=\"(.*)\":\1:p" ${CONFFILE})/gjar"
;;
		-l)
for v in $(ls -1 ${INSTPATH} | grep gcj-); do
	[[ ${v} == ${GCJ} ]] && v="${v} *"
	echo "${v}"
done
;;
		--version)
echo "$(sed -n -r -e "s:current=\".*gcj-(.*)/.*\":\1:p" ${CONFFILE})"
;;
		gcj-*)
if [[ ${1} == ${GCJ} ]] ; then
	echo "Already set!"
else
	found="no"
	for v in $(ls -1 ${INSTPATH} | grep gcj-); do
		[[ ${v} == ${1} ]] && found="yes"
	done

	if [[ ${found} == "no" ]] ; then
		echo "${1} not found!"
	else
		sed -e "s:${GCJ}:${1}:g" -i ${CONFFILE}
		rm -f /usr/lib/gcj
		ln -s ${INSTPATH}/${1} /usr/lib/gcj
	fi
fi
;;
		*)
echo "Something wrong you do!"
exit 1
;;
	esac
fi

exit 0