freebsd-ports/databases/slony1v2/files/slon.in

#!/bin/sh
#
# Modified by Brian A. Seklecki <bseklecki@collaborativefusion.com>
#                               <lavalamp@spiritual-machines.org>

# sed -e 's/%%PREFIX%%/\/usr\/local/g' < slon.sh.in > slon

# PROVIDE: slon
# REQUIRE: postgresql
# KEYWORD: shutdown

. /etc/rc.subr

name="slon"
rcvar=slon_enable

load_rc_config "$name"
_pidprefix="/var/run/${name}"
pidfile="${_pidprefix}.pid" # Used as fall-through in event of no profiles
procname="%%PREFIX%%/bin/slon"

# From global rc.conf(5); if unset, set them here
[ -z "$slon_enable" ]   && slon_enable="NO"

configfile_path="%%PREFIX%%/etc/${name}.conf"
command_args="-f ${configfile_path}"
required_files="${configfile_path}"

isProfile () {
    local profile

    for profile in $slon_profiles; do
        if [ "$profile" = "$1" ]; then
            return 0
        fi
    done

    return 1
}

if [ -n "$2" ]; then
    if [ "x${slon_profiles}" = "x" ]; then # This checks that profiles are indeed defined
        echo "$0: extra profile argument ignored, no profiles defined"
        exit 1
    fi

    profile="$2" # A profile argument has been given (presumably)

    # Now let's check to make sure that both the profile, the profile's
    # config path variable, config file exists

    if ! isProfile $profile; then
        echo "$0: no such profile defined in slon_profiles."
        exit 1
    fi

    configfile_default_path="%%PREFIX%%/etc/${name}-${profile}.conf"

    # Basic string substitution gets variable name
    configfile_varname="${name}_${profile}_configfile"

    eval configfile_path=\${$configfile_varname:-${configfile_default_path}}

    if [ ! -r "$configfile_path" ]; then
        echo "$0: unable to read configuration file."
        exit 1
    fi

    required_files="${configfile_path}"
    
    pidfile_default="${_pidprefix}-${profile}.pid"
    eval pidfile=\${${name}_${profile}_pidfile:-${pidfile_default}}

    command_args="-f ${configfile_path}"
    eval command_args=\${${name}_${profile}_flags:-${command_args}}
else
    # We get to here if $2 is not defined at command line, but we do have profiles
    # so apply $1 command to all profiles!
    # This block uses recursion to call ourself with each-profile defined as $2.

    if [ "x${slon_profiles}" != "x" -a "x$1" != "x" ]; then
        for profile in ${slon_profiles}; do
            echo "Processing ${name} profile: ${profile}"
            %%PREFIX%%/etc/rc.d/${name} $1 ${profile}
        done
        exit 0
    fi
# else = no profile argument given
fi

slon_start () {
    echo "Starting ${name}."
    /usr/sbin/daemon -cf -p ${pidfile} %%PREFIX%%/bin/slon ${command_args}
}

start_cmd=slon_start

run_rc_command "$1"