#!/bin/bash

# Removes an email address rule from the email configuration

# License
# =======
#
# Copyright (C) 2015 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

MYUSERNAME=$USER
MAILINGLIST=

function show_help {
    echo ''
    echo 'freedombone-rmemail -u [username] -e [email address]'
    echo ''
    exit 0
}

while [[ $# > 1 ]]
do
key="$1"

case $key in
    -h|--help)
    show_help
    ;;
    -u|--user)
    shift
    MYUSERNAME="$1"
    ;;
    -e|--email)
    shift
    EMAILADDRESS="$1"
    ;;
    *)
    # unknown option
    ;;
esac
shift
done

if ! [[ $MYUSERNAME && $EMAILADDRESS ]]; then
    show_help
fi

MUTTRC=/home/$MYUSERNAME/.muttrc
PM=/home/$MYUSERNAME/.procmailrc

if grep -q "Email rule for $EMAILADDRESS ->" $PM; then
    sed -i "/# Email rule for $EMAILADDRESS ->.*/,/# End of rule/d" $PM
fi

exit 0