#!/bin/bash
# $Id: vesync 2486 2007-02-05 18:08:17Z hollow $

# Copyright (C) 2006 Benedikt Boehm <hollow@gentoo.org>
#  
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#  
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#  
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

: ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars}
test -e "$UTIL_VSERVER_VARS" || {
    echo $"Can not find util-vserver installation (the file '$UTIL_VSERVER_VARS' would be expected); aborting..." >&2
    exit 1
}
. "$UTIL_VSERVER_VARS"
. "$_LIB_FUNCTIONS"


function showHelp()
{
    echo \
$"Usage: $0 <vserver-name>* [--all] [--overlay <dir>] [--overlay-host <rsyncpath>] [--overlay-only]

Report bugs to <$PACKAGE_BUGREPORT>."
    exit 0
}

function showVersion()
{
    echo \
$"vesync $PACKAGE_VERSION -- portage cache sync for vservers
This program is part of $PACKAGE_STRING

Copyright (C) 2006 Benedikt Boehm
This program is free software; you may redistribute it under the terms of
the GNU General Public License.  This program has absolutely no warranty."
    exit 0
}

tmp=$(getopt -o +q --long help,version,debug,quiet,all,overlay,overlay-host,overlay-only -n "$0" -- "$@") || exit 1
eval set -- "$tmp"

declare -a send_through vsomething_opts
overlay=
overlay_host=
overlay_only=0

while true; do
    case "$1" in
	(--help)         showHelp $0 ;;
	(--version)      showVersion ;;
	(--debug)        send_through=( "${send_through[@]}" "$1" ); set -x;;
	(--quiet|-q)     send_through=( "${send_through[@]}" "$1" );;
	(--all)          vsomething_opts=( "${vsomething_opts[@]}" "$1" );;
	(--overlay)      overlay="${2%/}";;
	(--overlay-host) overlay_host="${2%/}";;
	(--overlay-only) overlay_only=1;;
	(--)             shift; break;;
	(*)              echo $"vesync: internal error; arg=='$1'" >&2; exit 1;;
    esac
    shift
done

VSOMETHING_TITLE=vesync
VSOMETHING_PKGMGMT=1

export VSOMETHING_TITLE VSOMETHING_PKGMGMT

ret=0

test $overlay_only -eq 0 && \
	$_VSOMETHING "${send_through[@]}" emerge "${vsomething_opts[@]}" "$@" -- --metadata

ret=$?

test -n "$overlay" -a -n "$overlay_host" && \
	$_VSOMETHING "${send_through[@]}" rsync "${vsomething_opts[@]}" "$@" -- \
	-rtW --progress --delete --delete-after "${overlay_host}/" "${overlay}/"

test $? -eq 0 -a $ret -eq 0
