Update Gemfile to use 0.5.0 of TinyTDS and allow a RAILS_VERSION to be set.

Author: metaskills

Gemfile

@@ -6,7 +6,8 @@ if ENV['RAILS_SOURCE']
 else
   spec = eval(File.read('activerecord-sqlserver-adapter.gemspec'))
   ar_version = spec.dependencies.detect{ |d|d.name == 'activerecord' }.requirement.requirements.first.last.version
-  gem 'rails', :git => "git://github.com/rails/rails.git", :tag => "v#{ar_version}"
+  version = ENV['RAILS_VERSION'] || ar_version
+  gem 'rails', :git => "git://github.com/rails/rails.git", :tag => "v#{version}"
 end
 
 if ENV['AREL']
@@ -17,7 +18,7 @@ group :tinytds do
   if ENV['TINYTDS_SOURCE']
     gem 'tiny_tds', :path => ENV['TINYTDS_SOURCE']
   else
-    gem 'tiny_tds', '>= 0.4.5'
+    gem 'tiny_tds', '0.5.0.rc1'
   end
 end