start function from unicorn init.d script

gistfile1.sh

#!/bin/bash
unicorn_start() {
if ! unicorn_is_running ; then
  echo "Unicorn Starting, Type: ${APP_TYPE} interface, App Name: ${application}"
  if [[ $APP_TYPE == "rails" ]] ; then
    bundle exec $UNICORN_EXEC -E $RAILS_ENV -c $UNICORN_CONF -D
    unicorn_status=$?
  else
     bundle exec $UNICORN_EXEC -E $RACK_ENV -c $UNICORN_CONF -D /data/${application}/current/config.ru
     unicorn_status=$?
  fi
  if [ ${unicorn_status} == "1" ] ; then
    display_logs
    echo "There was a problem starting unicorn displaying log files:"
    exit 1
  fi
  else
   printf "\nUnicorn master is already running with:"
    printf "\n  pid: $master_pid"
    printf "\n  name: $process_name "
    printf "\n  cwd: $application_name"

    return 0
  fi
}