#!/sbin/runscript
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

opts="${opts} reload configtest"

# TODO
# Remove all the enviroment crap, as it's not needed after baselayout 1.12.0.
# There are still people using older versions, baselayout 1.12.0 was first
# stable with 2006.1, so we need to wait some time before doing that.
clear_env_except() {

        local save_env=$1
        shift;

        curr_env=$(env | sed 's/=.*//')

        for env_var in ${curr_env}; do
                local save=0
                for save_var in ${save_env}; do
                        if [[ "${env_var}" == "${save_var}" ]]; then
                                save=1
                        fi
                done

                if [[ "${save}" == "0" ]]; then
                        unset_vars="${unset_vars} -u ${env_var}"
                fi
        done

        env ${unset_vars} $@
}



depend() {
        need net
        use mysql dns logger netmount postgresql
        after sshd
}

configtest() {
        ebegin "Checking Apache Configuration"
        checkconfig
        eend $?
}

checkconfig() {

        SERVERROOT="${SERVERROOT:-/usr/lib/apache2}"
        if [ ! -d ${SERVERROOT} ]; then
                eerror "SERVERROOT does not exist: ${SERVERROOT}"
                return 1
        fi
        
        CONFIGFILE="${CONFIGFILE:-/etc/apache2/httpd-backuppc.conf}"
        [ ${CONFIGFILE:0:1} != "/" ] && CONFIGFILE="${SERVERROOT}/${CONFIGFILE}"
        if [ ! -r "${CONFIGFILE}" ]; then
                eerror "Unable to read configuration file: ${CONFIGFILE}"
                return 1
        fi
        
        APACHE2_OPTS="${APACHE2_OPTS} -d ${SERVERROOT}"
        APACHE2_OPTS="${APACHE2_OPTS} -f ${CONFIGFILE}"
        [ -n "${STARTUPERRORLOG}" ] && APACHE2_OPTS="${APACHE2_OPTS} -E ${STARTUPERRORLOG}"

        # set a sane default for KEEPENV
        KEEPENV=${KEEPENV:-PATH}

        APACHE2="/usr/sbin/apache2"
        
        # TODO kill the environment crap... see note above
        clear_env_except "${KEEPENV}" ${APACHE2} ${APACHE2_OPTS} -t 1>/dev/null 2>&1
        ret=$?
        if [ $ret -ne 0 ]; then
                eerror "Apache2 has detected a syntax error in your configuration files:"
                ${APACHE2} ${APACHE2_OPTS} -t
        fi
        
        return $ret
}

start() {
        checkconfig || return 1
        ebegin "Starting apache2"
        [ -f /var/log/apache2/ssl_scache ] && rm /var/log/apache2/ssl_scache
        
        # TODO kill the environment crap... see note above
        clear_env_except "${KEEPENV}" /sbin/start-stop-daemon --start --exec ${APACHE2} --pidfile /var/run/apache2-backuppc.pid -- ${APACHE2_OPTS} -k start
        eend $?
}

stop() {
        checkconfig || return 1
        ebegin "Stopping apache2"
        /sbin/start-stop-daemon --stop --retry -TERM/5/-TERM/5/-KILL/5 --exec ${APACHE2} --pidfile /var/run/apache2-backuppc.pid
        eend $?
}

reload() {
        checkconfig || return 1
        ebegin "Doing a graceful restart of apache2"
        /sbin/start-stop-daemon --stop --signal USR1 --exec ${APACHE2} --pidfile /var/run/apache2-backuppc.pid
        eend $?
}