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#!/bin/bash
# Data dir configuration script for NextCloudPi
#
# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
# GPL licensed (see end of file) * Use at your own risk!
#
# Usage:
#
# ./installer.sh nc-swapfile.sh <IP> (<img>)
#
# See installer.sh instructions for details
#
# More at https://ownyourbits.com/
#
SWAPFILE_=/media/USBdrive/swap
SWAPSIZE_=1024
DESCRIPTION="Move and resize your swapfile. Recommended to move to a permanent USB drive"
is_active()
{
local DIR=$( swapon -s | sed -n 2p | awk '{ print $1 }' )
[[ "$DIR" != "/var/swap" ]]
}
configure()
{
local ORIG=$( grep -oP "CONF_SWAPFILE=.*" /etc/dphys-swapfile | cut -f2 -d= )
[[ "$ORIG" == "$SWAPFILE_" ]] && return
test -d "$SWAPFILE_" && { echo "$SWAPFILE_ is a directory. Abort"; return 1; }
[[ $( stat -fc%d / ) == $( stat -fc%d $( dirname "$SWAPFILE_" ) ) ]] && \
echo -e "INFO: moving swapfile to another place in the same SD card\nIf you want to use an external mount, make sure it is properly set up"
sed -i "s|#\?CONF_SWAPFILE=.*|CONF_SWAPFILE=$SWAPFILE_|" /etc/dphys-swapfile
sed -i "s|#\?CONF_SWAPSIZE=.*|CONF_SWAPSIZE=$SWAPSIZE_|" /etc/dphys-swapfile
grep -q vm.swappiness /etc/sysctl.conf || echo "vm.swappiness = 10" >> /etc/sysctl.conf && sysctl --load
# workaround for automount, systemd doesn't get the order right
grep -q sleep /etc/init.d/dphys-swapfile || sed -i "/\<start)/asleep 15" /etc/init.d/dphys-swapfile
service dphys-swapfile restart && swapoff "$ORIG" && rm -f "$ORIG"
}
install() { :; }
cleanup() { :; }
# License
#
# This script 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 script 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 script; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA
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