Comments and minor cleanup

2 files changed, 3 insertions, 2 deletions

diff --git a/lib/bundler/index.rb b/lib/bundler/index.rb
index b2105cf682..4d7f77251d 100644
--- a/lib/bundler/index.rb
+++ b/lib/bundler/index.rb
@@ -115,11 +115,10 @@ module Bundler
     def search_by_dependency(dependency)
       @cache[dependency.hash] ||= begin
         specs = @specs[dependency.name]
+        found = specs.select { |spec| dependency.matches_spec?(spec) && Gem::Platform.match(spec.platform) }
 
         wants_prerelease = dependency.requirement.prerelease?
         only_prerelease  = specs.all? {|spec| spec.version.prerelease? }
-        found = specs.select { |spec| dependency.matches_spec?(spec) && Gem::Platform.match(spec.platform) }
-
         unless wants_prerelease || only_prerelease
           found.reject! { |spec| spec.version.prerelease? }
         end
diff --git a/lib/bundler/rubygems_ext.rb b/lib/bundler/rubygems_ext.rb
index 0fee4b9cdf..ef689d1c22 100644
--- a/lib/bundler/rubygems_ext.rb
+++ b/lib/bundler/rubygems_ext.rb
@@ -124,6 +124,7 @@ module Gem
       out
     end
 
+    # Backport of performance enhancement added to Rubygems 1.4
     def matches_spec?(spec)
       # name can be a Regexp, so use ===
       return false unless name === spec.name
@@ -134,6 +135,7 @@ module Gem
   end
 
   class Requirement
+    # Backport of performance enhancement added to Rubygems 1.4
     def none?
       @none ||= (to_s == ">= 0")
     end unless allocate.respond_to?(:none?)