backport patch from master

Peter Bell · Peter Bell · commit 4b3ce7f45f01 · 2014-11-13T14:57:14.000-08:00
diff --git a/providers/pip.rb b/providers/pip.rb
@@ -20,7 +20,7 @@
 
 require 'chef/mixin/shell_out'
 require 'chef/mixin/language'
-require 'version'
+require 'versionub'
 include Chef::Mixin::ShellOut
 
 def whyrun_supported?
@@ -128,11 +128,13 @@ def candidate_version
       if out.match(/not installed/) then
         new_resource.version||'latest'
       elsif out.match(/#{new_resource.package_name} [\d\.]+ \([\d\.]+\)/) then
-        available_version = Version.new(out.split(' ').last.tr('()',''))
-        if available_version > ( Version.new(new_resource.version) || Version.new('0.0') )
+        available_version = Versionub.parse(out.split(' ').last.tr('()',''))
+        if ! new_resource.version
+          available_version.to_s
+        elsif available_version > Versionub.parse(new_resource.version)
           new_resource.version
         else
-          available_version
+          available_version.to_s
         end
       else
         current_installed_version
diff --git a/recipes/pip.rb b/recipes/pip.rb
@@ -33,7 +33,7 @@
   pip_binary = "/usr/local/bin/pip"
 end
 
-chef_gem 'version' do
+chef_gem 'versionub' do
   action :nothing
 end.run_action(:install)
 
