#! /bin/sh
### -*-sh-*-
###
### Backup ext[2-4] filesystem using dump
###
### (c) 2011 Mark Wooding
###

###----- Licensing notice ---------------------------------------------------
###
### This file is part of the distorted.org.uk backup suite.
###
### distorted-backup 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; either version 2 of the License, or
### (at your option) any later version.
###
### distorted-backup 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 distorted-backup; if not, write to the Free Software Foundation,
### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

set -e
. @pkglibdir@/bkpfunc.sh

## Check arguments and environment.
preflight
case $# in 0 | 1) echo >&2 "usage: $QUIS TAG DEVICE DUMPARGS ..." ;; esac
tag=$1 device=$2; shift 2

## Transform the date format.
since=$(datefmt "%a %b %e %H:%M:%S %Y %z" "$BKP_LASTDATE")

## Make a snapshot and dump it.
snap=$(snap "$device" tag=dump)
set +e
run \
  env RSH=ssh RMT=$BKP_RMT \
  dump -${BKP_LEVEL}q -z9 -T"$since" \
    -f"$BKP_HOST:$BKP_ASSET/$tag.dump" -Q"$tag.qfa" \
    "$@" \
    "/dev/$snap"
rc=$?; set -e
snap -u "$device" tag=dump
case $rc in 0) ;; *) exit $rc ;; esac

scp "$BKP_HOST:$BKP_TARGET/$tag.dump.hash" "$tag.dump.hash"
hash=$(cat "$tag.dump.hash")
ssh "$BKP_HOST" rm "$BKP_TARGET/$tag.dump.hash"
scp "$tag.qfa" "$BKP_HOST:$BKP_TARGET/$tag.qfa"
bkpadmin hash "$BKP_ASSET" "$tag.dump" "$hash"

###----- That's all, folks --------------------------------------------------