#!/bin/bash
#
# apport    Script to control apport handling of core dumps
#
# Author:   Will Woods <wwoods@redhat.com>
#
# chkconfig: - 90 10
# description:  Starts and stops apport crash handling

# Source function library.
. /etc/init.d/functions

# The location of the core pattern file
PATFILE=/proc/sys/kernel/core_pattern
# The location of the apport binary
APPORT='/usr/share/apport/apport %p %s %c'
# Location to save the old core_pattern
OLDPAT=/var/run/core_pattern

# Return success if apport is already enabled
apport_is_enabled() {
    # XXX check the lock here too?
    grep -q "^|.*apport" $PATFILE
}

enable_apport() {
    if ! apport_is_enabled; then 
        cat $PATFILE > $OLDPAT
        echo "|$APPORT" > $PATFILE
    fi
}

disable_apport() {
    if apport_is_enabled; then
        cat $OLDPAT > $PATFILE
        rm -f $OLDPAT
    fi
}

start() {
	show "Enabling apport crash handling"
	busy
	enable_apport
	touch /var/lock/subsys/apport
	ok
}

stop() {
	show "Disabling apport crash handling"
	busy
	disable_apport
	rm -f /var/lock/subsys/apport
	ok
}

RETVAL=0
# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  status)
	# FIXME are these the right return values?
	if grep -q 'apport' $PATFILE; then
		echo "Apport is enabled."
		exit 0
	else
		echo "Apport is disabled."
		exit 1
	fi
	;;
  restart|reload)
	stop
	start
	;;
  *)
	msg_usage "$0 {start|stop|status|restart|reload}"
	exit 3
esac

exit $RETVAL