hyperion.ng/cmake/package-scripts/preinst

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#!/bin/sh
echo "---Hyperion ambient light preinst ---"
# search for users in system, returns first entry
FOUND_USR=`who | grep -o -m1 '^\w*\b'` || "root"
# stop running daemon before we install/upgrade
if pgrep hyperiond > /dev/null 2>&1
then
if grep -m1 systemd /proc/1/comm > /dev/null
then
echo "--> stop init deamon: systemd"
# systemd
systemctl stop hyperion hyperiond"@${FOUND_USR}" hyperion"@${FOUND_USR}" 2> /dev/null
elif [ -e /sbin/initctl ]
then
echo "--> stop init deamon: upstart"
# upstart
initctl stop hyperiond 2>/dev/null
initctl stop hyperion 2>/dev/null
else
echo "--> stop init deamon: sysV"
# sysV
service hyperiond stop 2>/dev/null
service hyperion stop 2>/dev/null
fi
fi
# In case we don't use a service kill all instances
killall hyperiond 2> /dev/null
exit 0