log2ram/install.sh

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#!/usr/bin/env sh
[ "$(id -u)" -eq 0 ] || { echo 'You need to be ROOT (sudo can be used)' ; exit 1 ;}
. /log2ram.conf # Include config to check if size is enought (See below)
# See if we can find out the init-system
echo 'Try to detect init and running log2ram service...'
if [ "$(systemctl --version 2> /dev/null)" != '' ] ; then
INIT='systemd'
elif [ "$(rc-service --version 2> /dev/null)" != '' ] ; then
INIT='openrc'
fi
case "$INIT" in
systemd)
systemctl -q is-active log2ram && { echo 'ERROR: log2ram service is still running. Please run "sudo service log2ram stop" to stop it.' ; exit 1 ;} ;;
openrc)
rc-service log2ram status >/dev/null 2>&1 && { echo 'ERROR: log2ram service is still running. Please run "sudo rc-service log2ram stop" to stop it.' ; exit 1 ;} ;;
*) echo 'ERROR: could not detect init-system' ; exit 1
;;
esac
echo "Installing log2ram for $INIT init-system"
# log2ram
mkdir -p /usr/local/bin/
install -m 755 log2ram /usr/local/bin/log2ram
install -m 644 log2ram.conf /etc/log2ram.conf
install -m 644 uninstall.sh /usr/local/bin/uninstall-log2ram.sh
if [ "$INIT" = 'systemd' ] ; then
install -m 644 log2ram.service /etc/systemd/system/log2ram.service
systemctl enable log2ram
elif [ "$INIT" = 'openrc' ] ; then
install -m 755 log2ram.initd /etc/init.d/log2ram
rc-update add log2ram boot
fi
# cron
if [ "$INIT" = 'systemd' ] ; then
install -m 755 log2ram.cron /etc/cron.daily/log2ram
elif [ "$INIT" = 'openrc' ] ; then
install -m 755 log2ram.openrc_cron /etc/cron.daily/log2ram
fi
install -m 644 log2ram.logrotate /etc/logrotate.d/log2ram
# Remove a previous log2ram version
rm -rf /var/log.hdd
# Make sure we start clean
rm -rf /var/hdd.log
# Check if var SIZE is sufficient and show a warning when too small
if [ -n "$(du -sh -t "$SIZE" /var/log | cut -f1)" ] ; then # /var/log should be ok on all systems
echo 'WARNING: Variable SIZE in /etc/log2ram.conf is too small to store the /var/log!'
echo 'Actual size of /var/log is:' ; du -sh /var/log
fi
echo '##### Reboot to activate log2ram! #####'
echo '##### Edit /etc/log2ram.conf to configure options #####'