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#! /bin/sh

delete_account() {
  local u g home

  u=$1
  g=$2
  echo -n "Removing group \"${g}\"... "
  pw groupdel -n ${g}
  echo "done."
  echo -n "Removing user \"${u}\"... "
  eval home=~${u}
  echo 'y' | pw userdel -n ${u}
  echo "done."
}

zero_crontab() {
  local u

  u=$1
  
  echo -n 'Zeroing crontab(5) file belonging to user "%%USER%%"... '
  crontab -u ${u} /dev/null || exit
  echo 'done.'
  echo '(The crontab(5) will be deleted completely when user "%%USER%%" is removed.)'
}

export PATH=/bin:/usr/bin:/usr/sbin

case $2 in
DEINSTALL)
  zero_crontab %%USER%%
  if ps -axwU %%USER%% | grep -q python; then
    echo 'Killing all running processes belonging to user "%%USER%%".'
    killall -u %%USER%% %%PYTHON_CMD%%
    sleep 2
  fi
  ;;

POST-DEINSTALL)
  if [ -d %%MAILMANDIR%% ]; then
    echo '%%MAILMANDIR%% is not empty - this installation may have active lists!'
    echo '- The "%%USER%%" user and "%%GROUP%%" group were therefore not deleted.'
    echo '- You may delete them with "pw groupdel %%GROUP%%; pw userdel %%USER%%".'
  else
    delete_account %%USER%% %%GROUP%%
  fi
  ;;
esac