rc.d script to launch rvm gemdocs

--file /etc/rc.d/rvm
#!/bin/bash
#
# rc.d init script for rvm environment. It does the following:
#      1: starts GemDocs for each gemset listed in $GEMSETS
#

# Run as user "rvm"
RUNUSER="rvm"
[ "$USER" = "root" ] && { su ${RUNUSER} -c "$0 $*"; exit; }
[ "$USER" = "${RUNUSER}" ] || { echo "$0 must run as ${RUNUSER}"; exit; }

. /etc/profile # Needed to set up rvm environment

. /etc/rc.conf
. /etc/rc.d/functions

[ -r /etc/conf.d/rvm ] && . /etc/conf.d/rvm

GEMSETS=${GEMSETS:-system}
GEMDOCS_PORT=8808

for GEMSET in ${GEMSETS[@]}
do
        GEMDOCS_CMD="gem server --daemon --port $GEMDOCS_PORT"

        # Get PID if a process exists with that command line
        PID=$(ps -e -o pid= -o cmd= | grep "$GEMDOCS_CMD" | grep -v grep | awk '{print $1}')

        case "$1" in
         start)
           stat_busy "Starting GemDocs for ${GEMSET}"
           [ -z "$PID" ] && rvm use ${GEMSET} > /dev/null && $GEMDOCS_CMD > /dev/null
           if [ $? = 0 ]; then
             stat_done
           else
             stat_fail
             exit 1
           fi
           ;;
         stop)
           stat_busy "Stopping GemDocs for ${GEMSET}"
           [ -n "$PID" ] && kill $PID &>/dev/null
           if [ $? = 0 ]; then
             stat_done
           else
             stat_fail
             exit 1
           fi
           ;;
         restart)
           $0 stop
           sleep 1
           $0 start
           ;;
         *)
           echo "usage: $0 {start|stop|restart}"
           exit
        esac

        let GEMDOCS_PORT+=1

done
--file /etc/conf.d/rvm#
#
# Arguments to be passed to the rvm daemons

# Run GemDocs for these gemsets
GEMSETS=(system ruby-1.8.6-p420@rails-2.0.2 ruby-1.9.3-p0@rails)