#!/bin/sh -e
# prerm script for perforce-swarm
#
# see: dh_installdeb(1)

# Summary of how this script can be called:
# <prerm>                   'remove'
# <old-prerm>               'upgrade'           <new-version>
# <new-prerm>               'failed-upgrade'    <old-version>
# <conflictor's-prerm>      'remove' 'in-favour' <package> <new-version>
# <deconfigured's-prerm>    'deconfigure' \
#                             'in-favour' <package-being-installed> <version> \
#                             'removing'  <conflicting-package>     <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

ME="${0##*/}"
#echo "###########################"
#echo "[$ME] [$*]"

THISPKG="helix-swarm"
PERFORCE_ROOT="/opt/perforce"
PERFORCE_CFGDIR="$PERFORCE_ROOT/etc"
SWARM_ROOT="$PERFORCE_ROOT/swarm"
SWARM_DATADIR="$SWARM_ROOT/data"
SWARM_SBINDIR="$SWARM_ROOT/sbin"
SWARM_CONFIG="$SWARM_DATADIR/config.php"

APACHE_SITESDIR="/etc/apache2/sites-available"
SWARM_VHOST="$APACHE_SITESDIR/perforce-swarm-site.conf"
APACHE_USER="www-data"
APACHE_GROUP="$APACHE_USER"

CRON_DIR="/etc/cron.d"
CRON_SCRIPT="$CRON_DIR/helix-swarm"
CRON_CONFIG="$PERFORCE_CFGDIR/swarm-cron-hosts.conf"

PHPINI_DIR="/etc/php5/conf.d"
P4PHP_INI="${PHPINI_DIR}/perforce.ini"

do_remove()
{
    echo "$THISPKG: Disabling the Swarm Apache site..."
    a2dissite perforce-swarm-site.conf || true

    echo "$THISPKG: Disabling P4PHP extension..."
    mv "$P4PHP_INI" "$P4PHP_INI.save" || true

    echo "$THISPKG: Restarting Apache to unload P4PHP and stop Swarm workers..."
    service apache2 restart

    echo "$THISPKG: Disabling Swarm cron hosts config..."
    mv "$CRON_CONFIG" "$CRON_CONFIG.save" || true

    echo "$THISPKG: Disabling cronfile..."
    rm "$CRON_SCRIPT" || true
}

case "$1" in
    remove|deconfigure)
        do_remove
    ;;
    upgrade)
    # Remove errant 'perforce-swarm' cronfile, if it exists (SW-2727)
        if [ -f "$CRON_DIR/perforce-swarm" ]; then
            rm "$CRON_DIR/perforce-swarm"
        fi
    ;;

    failed-upgrade)
    ;;

    *)
        echo "$ME called with unknown argument [$1]" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0