pistar-mmdvm-log-restores

#!/bin/bash
# Restore MMDVM logs during startups (reboots)
#
#rpi-rw
xro=$(grep "/dev/root" /proc/mounts | sed -n "s/.*\(r[ow]\).*/\1/p")
xmv=$(sudo systemctl is-active mmdvmhost.service)
#
rbt=0
all=0
while getopts ra opt; do
  case $opt in
    r) rbt=1;;
    a) all=1;;
  esac
done
shift $(($OPTIND - 1))
#
if [ -d /home/pi-star/.mlogs ]; then
    if [ "$xro" == "ro" ]; then
       sudo mount -o remount,rw / ; sudo mount -o remount,rw /boot
    fi
    if [ "$xmv" == "active" ]; then
       sudo systemctl stop mmdvmhost.service
    fi
#
    if [ ! -d /var/log/pi-star ]; then
       sudo mkdir /var/log/pi-star
       sudo chown root:mmdvm /var/log/pi-star
       sudo chmod 775 /var/log/pi-star
fi
#
    n=3
    if [ $all == 1 ]; then
       n=10000
    fi
    file1="MMDVM"
    file2="/var/log/pi-star/"
    file3="/home/pi-star/.mlogs"
    cd /home/pi-star/.mlogs
#   for f in $(ls -tr ${file3}/${file1}* | tail -n $n)
    for f in $(ls -tr ${file1}* | tail -n $n)
    do
       echo "$f"
       sudo cp -p $f ${file2}$f
    done
#
    reboot=""
    if [ $rbt == 1 ]; then
       sudo touch /home/pi-star/.mlogs/restore-$(date +%Y-%m-%d-%H:%M:%S)
       reboot="(on reboot)"
    fi
#
    logger -t "[$$]" "Pi-Star --> MMDVM logs restored $reboot <--"
#
    if [ "$xmv" == "active" ]; then
       sudo systemctl start mmdvmhost.service
    fi
    if [ "$xro" == "ro" ]; then
       sudo mount -o remount,ro / ; sudo mount -o remount,ro /boot
    fi
fi