[Index] Speed up searching

This is a two-fold improvement:
1) using full_name as the lookup is much faster than a custom array
2) using add? avoids a second set lookup

1 files changed, 2 insertions, 4 deletions

diff --git a/lib/bundler/index.rb b/lib/bundler/index.rb
index 5c49034280..5cee0c7ea7 100644
--- a/lib/bundler/index.rb
+++ b/lib/bundler/index.rb
@@ -60,14 +60,12 @@ module Bundler
     # about, returning all of the results.
     def search(query, base = nil)
       results = local_search(query, base)
-      seen = Set.new(results.map {|spec| [spec.name, spec.version, spec.platform] })
+      seen = results.map(&:full_name).to_set
 
       @sources.each do |source|
         source.search(query, base).each do |spec|
-          lookup = [spec.name, spec.version, spec.platform]
-          unless seen.include?(lookup)
+          if seen.add?(spec.full_name)
             results << spec
-            seen << lookup
           end
         end
       end