From c6a0405401e9bad3f27e5078ac42b3c56172bbb0 Mon Sep 17 00:00:00 2001
From: Michal Papis <mpapis@gmail.com>
Date: Fri, 20 Dec 2013 08:24:56 +0100
Subject: [PATCH] move getting gem specifications to gem-empty/specification

---
 lib/gem-empty/command.rb       | 10 ++--------
 lib/gem-empty/specification.rb | 16 ++++++++--------
 2 files changed, 10 insertions(+), 16 deletions(-)

diff --git a/lib/gem-empty/command.rb b/lib/gem-empty/command.rb
index fcfd69f..12aa3e7 100644
--- a/lib/gem-empty/command.rb
+++ b/lib/gem-empty/command.rb
@@ -1,3 +1,4 @@
+require 'gem-empty/specification'
 require 'rubygems/command_manager'
 require 'rubygems/uninstaller'
 require 'rubygems/version'
@@ -44,16 +45,9 @@ def execute(options = {})
 
   def gem_dir_specs
     @gem_dir_specs ||=
-    installed_gems.select do |spec|
+    GemEmpty::Specification.installed_gems.select do |spec|
       File.exists?( File.join( Gem.dir, 'gems', spec.full_name ) )
     end
   end
 
-  def installed_gems
-    if Gem::VERSION > '1.8' then
-      Gem::Specification.to_a
-    else
-      Gem.source_index.map{|name,spec| spec}
-    end
-  end
 end
diff --git a/lib/gem-empty/specification.rb b/lib/gem-empty/specification.rb
index f2a2249..944a861 100644
--- a/lib/gem-empty/specification.rb
+++ b/lib/gem-empty/specification.rb
@@ -1,14 +1,14 @@
 module GemEmpty
   module Specification
+    def self.installed_gems
+      if Gem::VERSION > '1.8' then
+        Gem::Specification.to_a
+      else
+        Gem.source_index.map{|name,spec| spec}
+      end
+    end
     def self.find(name = "gem-empty")
-      @gem_empty_spec ||=
-        if Gem::Specification.respond_to?(:find_by_name)
-          Gem::Specification.find_by_name(name)
-        else
-          Gem.source_index.find_name(name).last
-        end
-    rescue Gem::LoadError
-      nil
+      @gem_empty_spec ||= installed_gems.find{|spec| spec.name == name}
     end
     def self.version
       find ? find.version.to_s : nil