From 3f65b919e010e490bba8cd74e565f36df477ab4d Mon Sep 17 00:00:00 2001
From: Fletcher Nichol <fnichol@nichol.ca>
Date: Mon, 28 Nov 2011 14:48:28 -0700
Subject: [PATCH] Ensure that RVM version strings can be converted to RubyGems
 format.

References #56
---
 libraries/chef_rvm_set_helpers.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libraries/chef_rvm_set_helpers.rb b/libraries/chef_rvm_set_helpers.rb
index 67e1d60b..63924386 100644
--- a/libraries/chef_rvm_set_helpers.rb
+++ b/libraries/chef_rvm_set_helpers.rb
@@ -3,7 +3,8 @@ module RVM
     module SetHelpers
       def rvm_do(user = nil)
         # Use Gem's version comparing code to compare the two strings
-        if Gem::Version.new(VersionCache.fetch_version(user)) < Gem::Version.new("1.8.6")
+        rvm_version = VersionCache.fetch_version(user).gsub(/(-|_|#)/, '.')
+        if Gem::Version.new(rvm_version) < Gem::Version.new("1.8.6")
           "exec"
         else
           "do"