#!/bin/sh
# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: $

source /sbin/functions.sh
source /etc/make.globals
source /etc/make.conf

MIRROR_DIR=/home/ftp/pub/gentoo/rsync/	
CVSROOT=:pserver:anonymous@cvs.linbsd.net:/cvsroot

LN=/bin/ln
LS=/bin/ls
RM=/bin/rm
MKDIR=/bin/mkdir
EMERGE=/usr/bin/emerge

ebuild_opts=""
do_cvs=0
do_rsync=0

while [ "$1" != "" ] ; do
	case $1 in
		--help|-h)
			cat << __EOF__
Usage: $0 <options>
	-h, --help	: This help.
	-c, --cvs	: Checkout files from $CVSROOT into your $PORTDIR_OVERLAY
	-r, --rsync	: Preform an rsync with ${SYNC} to ${MIRROR_DIR}

	The remaining arguments are treated as ebuild options to preform on each ebuild in your PORTDIR_OVERLAY
__EOF__
exit 0
;;
		--cvs|-c)
			do_cvs=1;;
		--rsync|-r)
			do_rsync=1;;
		*)
			ebuild_opts="${ebuild_opts} $1"
	esac
	shift
done

einfo "do_cvs=$do_cvs do_rsync=$do_rsync ebuild_opts=$ebuild_opts"

if [ ! -d "${PORTDIR_OVERLAY}" ]; then
	eerror "PORTDIR_OVERLAY[${PORTDIR_OVERLAY}] must be a valid dir"
	exit 1
fi

if [ $do_rsync == 1 ] ; then
	einfo "Rsyncing with ${SYNC}"
	/usr/bin/rsync -rlptDvz --delete ${SYNC} ${MIRROR_DIR}
	if [ $? != 0 ] ; then
		eerror "Error rsyncing?"
		exit 1
	fi
fi

if [ $do_cvs == 1 ] ; then
	einfo "Grabbing cvs overlay snapshot from ${CVSROOT}"
	cd ${PORTDIR_OVERLAY}
	cd ..
	cvs -d ${CVSROOT} co portage || ewarn "Error fetching portage from cvs $CVSROOT"
	cd -
fi

${MKDIR} -p ${MIRROR_DIR}

find ${PORTDIR_OVERLAY} -name CVS -type d | while read dirp; do 
	rm -rf ${dirp}
done

cd ${PORTDIR_OVERLAY}
${LS} -1 | grep ^[a-z] | while read catagory; do
	if [ -d "${catagory}" ]; then
		cd ${catagory}
		${LS} -1 | while read edir; do
			if [ -d "${edir}" ] ; then
				einfo "Adding local ${catagory}/${edir} to local rsync mirror in ${MIRROR_DIR}"
				if [ "${ebuild_opts}" != "" ]; then
					cd ${edir}
					find . -name '*.ebuild' | while read ebuild; do
						einfo ebuild ${ebuild} ${ebuild_opts}
						ebuild ${ebuild} ${ebuild_opts}
					done
					cd ..
				fi
				${MKDIR} -p ${MIRROR_DIR}/${catagory}/
				cp -dpR ${PORTDIR_OVERLAY}/${catagory}/${edir} ${MIRROR_DIR}/${catagory}/
			fi
		done
		cd ..
	fi
done