#! /bin/sh -e
#  /usr/lib/emacsen-common/packages/install/foo
# [ This particular script hasn't been tested, so be careful. ]

set -e

FLAVOR=$1
PACKAGE=yc-el

if [ "X${FLAVOR}" = "X" ]; then
    echo Need argument to determin FLAVOR of emacs;
    exit 1
fi

if [ "X${PACKAGE}" = "X" ]; then
    echo Internal error: need package name;
    exit 1;
fi

## Checking MULE supported XEmacs. (for XEmacs/MULE is needed elisp)
if [ ${FLAVOR} = "xemacs20" -o ${FLAVOR} = "xemacs21" ]; then
CHECKMULE=`${FLAVOR} -batch -vanilla -eval "(if (featurep 'mule)(message \"MULE\"))" 2>&1 `
  if [ "${CHECKMULE}" != "MULE" ]; then
		echo
		echo "install/${PACKAGE}: Ignoring ${FLAVOR}."
		echo "${PACKAGE} needs MULE supported XEmacs."
		exit
	fi
fi

ELDIR=/usr/share/emacs/site-lisp/${PACKAGE}
ELCDIR=/usr/share/${FLAVOR}/site-lisp/${PACKAGE}

STARTDIR=/etc/${FLAVOR}/site-start.d
STARTFILE="${PACKAGE}-init.el";

COMPILE="-batch -q -f batch-byte-compile"

case "${FLAVOR}" in
	emacs)
	;;
	emacs19)
	echo "install/${PACKAGE}: Ignoring ${FLAVOR}."
	;;
	*)

	echo -n "install/${PACKAGE}: Byte-compiling for ${FLAVOR} ..."

	rm -rf ${ELCDIR}
	install -m 755 -d ${ELCDIR}

	# Copy the temp .el files (and Makefile or so)
	cp ${ELDIR}/* ${ELCDIR}/

	# Byte compile them
	(cd ${ELCDIR}
		${FLAVOR} ${COMPILE} yc.el > CompilationLog 2>&1
#		${FLAVOR} ${COMPILE} ${STARTFILE} >> CompilationLog 2>&1
		rm -f *.el )

	gzip -9 ${ELCDIR}/CompilationLog

	if [ -e  ${ELCDIR}/${STARTFILE}c ]; then
		mv ${ELCDIR}/${STARTFILE}c ${STARTDIR}/50${STARTFILE}c;
	else
		ln -f -s ${ELDIR}/${STARTFILE} ${STARTDIR}/50${STARTFILE};
	fi
	echo " done."
	;;
esac

exit 0;
