piradio.preinst

#!/bin/bash 
set -e
# Radio daemon pre-install script
# $Id: piradio.preinst,v 1.3 2023/11/12 07:22:47 bob Exp $

RADIOLIB=/var/lib/radiod
MPDCONF=/etc/mpd.conf
BOOTCMD=/boot/cmdline.txt
MODULES=/etc/modules

# Check if the script is being run as root
if [[ $EUID -ne 0 ]]
then
    printf 'This script must be run using sudo.\nExiting..\n'
    exit 1
fi

echo "Raspberry PI internet radio installation"
if [[ -d ${RADIOLIB} ]]; then
	echo "The radio software appears to be already installed"
    echo "Saving current configuration"
    echo "Copying ${MPDCONF} to ${MPDCONF}.save"
    sudo cp -fp ${MPDCONF} ${MPDCONF}.save
    echo "Software only will be upgraded"
    echo "Your existing configuration will not be changed unless you choose otherwise"
	echo "Stopping radiod service"
	sudo systemctl stop radiod 
fi

exit 0
# End of preinst script

# End of pre-install script