--- bin/jrubyc.orig	2007-08-21 19:06:20.355621590 +0800
+++ bin/jrubyc	2007-08-21 19:08:23.020781206 +0800
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # -----------------------------------------------------------------------------
 # jruby.sh - Start Script for the JRuby interpreter
 #
@@ -27,6 +27,9 @@
 
 # ----- Verify and Set Required Environment Variables -------------------------
 
+JAVA_HOME=%%JAVA_HOME%%
+JRUBY_HOME=%%JRUBY_HOME%%
+
 if [ -z "$JRUBY_HOME" ] ; then
   ## resolve links - $0 may be a link to  home
   PRG=$0