#! /usr/bin/env bash
#
# Copyright © 2014, 2015 Richard Kettlewell.
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.

set -e

. ${srcdir:-.}/../scripts/fakeshell.sh

fake_init
mkdir ${fake_work}/snaps
mkdir ${fake_work}/snaps/rsb-volume

fake_reset

fake_cmd --must-run df "echo /dev/mapper/vg-lv" \
         --must-args /path/to/volume
fake_cmd --must-run lvremove \
         --must-args --force /dev/vg/lv.snap
fake_cmd --must-run lvdisplay \
         "echo '  Current LE             8192'; echo '  LV Path                /dev/vg/lv'" \
         --must-args /dev/mapper/vg-lv
fake_cmd --must-run lvcreate \
         --must-args --extents 1638 --name lv.snap --snapshot /dev/vg/lv
fake_cmd --must-run fsck "exit 2" \
         --must-args -a /dev/vg/lv.snap
fake_cmd --must-run _dmsetup_info "echo vg-lv" \
         --must-args info --noheadings -c -o name /dev/mapper/vg-lv
fake_cmd --must-run _dmsetup_splitname "echo \"vg lv \"" \
         --must-args splitname --noheadings --separator ' ' vg-lv LVM
# Hack to mock two dmsetup verbs 'dmsetup info' / 'dmsetup splitname':
fake_cmd dmsetup '_dmsetup_$1 "$@"'

fake_cmd --must-not-run umount
fake_cmd --must-not-run mount
fake_cmd --must-not-run ssh

RSBACKUP_VOLUME=rsb-volume \
    RSBACKUP_VOLUME_PATH=/path/to/volume \
    RSBACKUP_SSH_TARGET=localhost \
    RSBACKUP_HOOK=pre-volume-hook \
    RSBACKUP_ACT=true \
    fake_run --must-exit 2 --must-output-empty \
    ./rsbackup-snapshot-hook -s ${fake_work}/snaps

fake_check
