#!/bin/bash

# usage $0 [MAIL_HOST]

set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR

# setup things which involve being the primary host or not

if [[ $1 ]]; then
  new_host=$1
  sed -ri "s/MAIL_HOST=.*/MAIL_HOST=$new_host/" /a/bin/bash_unpublished/source-semi-priv
  source /a/bin/bash_unpublished/source-semi-priv
fi

if [[ $HOSTNAME == $MAIL_HOST ]]; then
  # arbtt disabled for now
  #DISPLAY=:0 arbtt-capture --sample-rate=10 &
  sudo systemctl start rss2email.timer
  sudo systemctl enable rss2email.timer

else
  sudo systemctl stop rss2email.timer
  sudo systemctl stop rss2email.service
  sudo systemctl disable rss2email.timer
  # arbtt disabled for now
  # for ((i=0; i<10; i++)); do
  #   killall arbtt-capture || break
  #   sleep 1
  #   if [[ $i == 9 ]]; then
  #     exit 1
  #   fi
  # done
fi

mail-setup exim4
exit 0
: