From 25a9b62d45ddd60a231272567c7dda9337da9b62 Mon Sep 17 00:00:00 2001
From: ryan <ryan@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 1 Mar 2011 09:41:32 +0000
Subject: Import rubygems 1.6.0 (released version @ 58d8a0b9)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rubygems/commands/unpack_command.rb | 26 ++++++++++----------------
 1 file changed, 10 insertions(+), 16 deletions(-)

(limited to 'lib/rubygems/commands/unpack_command.rb')

diff --git a/lib/rubygems/commands/unpack_command.rb b/lib/rubygems/commands/unpack_command.rb
index ac1d376106..ef0d65e073 100644
--- a/lib/rubygems/commands/unpack_command.rb
+++ b/lib/rubygems/commands/unpack_command.rb
@@ -7,6 +7,7 @@
 require 'rubygems/command'
 require 'rubygems/installer'
 require 'rubygems/version_option'
+require 'rubygems/remote_fetcher'
 
 class Gem::Commands::UnpackCommand < Gem::Command
 
@@ -39,16 +40,6 @@ class Gem::Commands::UnpackCommand < Gem::Command
     "#{program_name} GEMNAME"
   end
 
-  def download dependency
-    found = Gem::SpecFetcher.fetcher.fetch dependency
-
-    return if found.empty?
-
-    spec, source_uri = found.first
-
-    Gem::RemoteFetcher.fetcher.download spec, source_uri
-  end
-
   #--
   # TODO: allow, e.g., 'gem unpack rake-0.3.1'.  Find a general solution for
   # this, so that it works for uninstall as well.  (And check other commands
@@ -79,8 +70,9 @@ class Gem::Commands::UnpackCommand < Gem::Command
   # TODO: see comments in get_path() about general service.
 
   def find_in_cache(filename)
-    Gem.path.each do |gem_dir|
-      this_path = File.join gem_dir, 'cache', filename
+
+    Gem.path.each do |path|
+      this_path = Gem.cache_gem(filename, path)
       return this_path if File.exist? this_path
     end
 
@@ -111,15 +103,17 @@ class Gem::Commands::UnpackCommand < Gem::Command
 
     selected = specs.sort_by { |s| s.version }.last
 
-    return download(dependency) if selected.nil?
+    return Gem::RemoteFetcher.fetcher.download_to_cache(dependency) unless
+      selected
 
     return unless dependency.name =~ /^#{selected.name}$/i
 
     # We expect to find (basename).gem in the 'cache' directory.  Furthermore,
     # the name match must be exact (ignoring case).
-    
-    path = find_in_cache(selected.file_name)
-    return download(dependency) unless path
+
+    path = find_in_cache selected.file_name
+
+    return Gem::RemoteFetcher.fetcher.download_to_cache(dependency) unless path
 
     path
   end
-- 
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