snap-pac/snapper-post
2016-04-25 13:15:19 -05:00

49 lines
2.1 KiB
Bash
Executable file

#!/bin/bash
# snap-pac
# https://github.com/wesbarnett/snap-pac
# Copyright (C) 2016 James W. Barnett
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Takes a snapper post snapshot after a pacman transaction
if [ -f /etc/snap-pac.conf ]; then
source /etc/snap-pac.conf
else
echo "WARNING: /etc/snap-pac.conf is missing. Using default settings."
fi
cleanupalgo=${CLEANUP_ALGORITHM:-"number"}
description=${POST_DESCRIPTION:-"$(echo $(ps -C pacman -o args=) | sed 'sX/usr/bin/pacmanXpacmanXg')"}
configurations=${CONFIGS:-"root"}
be_verbose=${VERBOSE:-"false"}
PREFILE_PREFIX="/usr/share/libalpm/hooks.bin/snap-pac/.pre"
for x in $configurations; do
if [ -f $PREFILE_PREFIX"_"$x ]; then
SNAPPERPACPRE=$(cat $PREFILE_PREFIX"_"$x)
snapper --config $x create --cleanup-algorithm $cleanupalgo --type post --pre-number $SNAPPERPACPRE --description "$description"
case "${be_verbose}" in
true)
snapper -v --config $x create --cleanup-algorithm $cleanupalgo --type post --pre-number $SNAPPERPACPRE --description "$description"
rm -v $PREFILE_PREFIX"_"$x;;
*)
snapper --config $x create --cleanup-algorithm $cleanupalgo --type post --pre-number $SNAPPERPACPRE --description "$description"
rm $PREFILE_PREFIX"_"$x
esac
else
echo "WARNING: $PREFILE_PREFIX"_"$x does not exist, so no post snapshot will be taken. If you are initially installing snap-pac, this is normal."
fi
done