#!/bin/bash

sleep_secs=120

do_backup() {
  for hostlogin in $(cat hostlist); do
    host=$(echo $hostlogin | cut "-d@" -f2)
    echo $host
    target=backups/$host/$(date --iso-8601=seconds)
    mkdir -p $target
    rsync --archive --verbose --prune-empty-dirs --exclude ".*" --exclude "/snap" --exclude "Screenshot from *" --max-size 200K $hostlogin:/home/contestant/ $target
    chmod o+rx $target
  done
}

if [ $1 == timer ]; then
  while true; do
    do_backup
    echo
    echo "Finished, next backup in $sleep_secs seconds."
    echo
    echo
    sleep $sleep_secs
  done
else
  do_backup
fi