From b94a47472ffdd8cd2785d1a24c0b74237a74f280 Mon Sep 17 00:00:00 2001
From: Rich Morin <rdm@cfcl.com>
Date: Mon, 16 Jan 2012 14:18:47 -0800
Subject: [PATCH] Update help/tools

---
 help/tools | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/help/tools b/help/tools
index 16e54e477a..b031cc4bdc 100644
--- a/help/tools
+++ b/help/tools
@@ -41,3 +41,11 @@ Your scripts can then request the proper Ruby, using shebang:
   #!/usr/bin/ruby-rvm-env 1.9.3
 
 The script will be run using Ruby 1.9.3 from rvm.
+
+Alternatively, here's a hack to make a script switch itself:
+
+  if !ENV['ruby_switch_flag']
+    ENV['ruby_switch_flag'] = '42'
+    system('rvm', '1.9.3', 'do', __FILE__, *ARGV)
+    exit 0
+  end