From ec84bfc9e3d11a3b1dbebcaf4d1ddf1357307513 Mon Sep 17 00:00:00 2001
From: ryan <ryan@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 1 Feb 2011 03:11:34 +0000
Subject: Import rubygems 1.5.0 (released version @ 1fb59d0)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30752 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rubygems/commands/unpack_command.rb | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 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 5e0bc830f2..ac1d376106 100644
--- a/lib/rubygems/commands/unpack_command.rb
+++ b/lib/rubygems/commands/unpack_command.rb
@@ -71,6 +71,22 @@ class Gem::Commands::UnpackCommand < Gem::Command
     end
   end
 
+  ##
+  #
+  # Find cached filename in Gem.path. Returns nil if the file cannot be found.
+  #
+  #--
+  # 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
+      return this_path if File.exist? this_path
+    end
+
+    return nil
+  end
+
   ##
   # Return the full path to the cached gem file matching the given
   # name and version requirement.  Returns 'nil' if no match.
@@ -101,13 +117,9 @@ class Gem::Commands::UnpackCommand < Gem::Command
 
     # We expect to find (basename).gem in the 'cache' directory.  Furthermore,
     # the name match must be exact (ignoring case).
-    filename = selected.file_name
-    path = nil
-
-    Gem.path.find do |gem_dir|
-      path = File.join gem_dir, 'cache', filename
-      File.exist? path
-    end
+    
+    path = find_in_cache(selected.file_name)
+    return download(dependency) unless path
 
     path
   end
-- 
cgit v1.2.3