* lib/rubygems: Update to RubyGems 2.0.13. [ruby-core:58031]

  [Backport #9052]
  the patch is provided by drbrain (Eric Hodel).


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@43435 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

5 files changed, 27 insertions, 9 deletions

diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index e28fab4eae..a5857d810d 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -8,7 +8,7 @@
 require 'rbconfig'
 
 module Gem
-  VERSION = '2.0.12'
+  VERSION = '2.0.13'
 end
 
 # Must be first since it unloads the prelude from 1.9.2
diff --git a/lib/rubygems/server.rb b/lib/rubygems/server.rb
index dd582193ee..f2d1428489 100644
--- a/lib/rubygems/server.rb
+++ b/lib/rubygems/server.rb
@@ -445,7 +445,7 @@ div.method-source-code pre { color: #ffdead; overflow: hidden; }
     @spec_dirs = @gem_dirs.map { |gem_dir| File.join gem_dir, 'specifications' }
     @spec_dirs.reject! { |spec_dir| !File.directory? spec_dir }
 
-    Gem::Specification.dirs = @gem_dirs
+    reset_gems
 
     @have_rdoc_4_plus = nil
   end
@@ -470,7 +470,7 @@ div.method-source-code pre { color: #ffdead; overflow: hidden; }
   end
 
   def latest_specs(req, res)
-    Gem::Specification.reset
+    reset_gems
 
     res['content-type'] = 'application/x-gzip'
 
@@ -531,7 +531,7 @@ div.method-source-code pre { color: #ffdead; overflow: hidden; }
   end
 
   def quick(req, res)
-    Gem::Specification.reset
+    reset_gems
 
     res['content-type'] = 'text/plain'
     add_date res
@@ -567,7 +567,8 @@ div.method-source-code pre { color: #ffdead; overflow: hidden; }
   end
 
   def root(req, res)
-    Gem::Specification.reset
+    reset_gems
+
     add_date res
 
     raise WEBrick::HTTPStatus::NotFound, "`#{req.path}' not found." unless
@@ -698,6 +699,13 @@ div.method-source-code pre { color: #ffdead; overflow: hidden; }
   end
 
   ##
+  # Updates the server to use the latest installed gems.
+
+  def reset_gems # :nodoc:
+    Gem::Specification.dirs = @gem_dirs
+  end
+
+  ##
   # Returns true and prepares http response, if rdoc for the requested gem
   # name pattern was found.
   #
@@ -787,7 +795,7 @@ div.method-source-code pre { color: #ffdead; overflow: hidden; }
   end
 
   def specs(req, res)
-    Gem::Specification.reset
+    reset_gems
 
     add_date res
 
diff --git a/lib/rubygems/source.rb b/lib/rubygems/source.rb
index 96d57870e2..c997d78ca6 100644
--- a/lib/rubygems/source.rb
+++ b/lib/rubygems/source.rb
@@ -63,7 +63,12 @@ class Gem::Source
   end
 
   def update_cache?
-    @update_cache ||= File.stat(Gem.user_home).uid == Process.uid
+    @update_cache ||=
+      begin
+        File.stat(Gem.user_home).uid == Process.uid
+      rescue Errno::ENOENT
+        false
+      end
   end
 
   def fetch_spec(name)
diff --git a/lib/rubygems/spec_fetcher.rb b/lib/rubygems/spec_fetcher.rb
index 3d484d1c13..e4db426633 100644
--- a/lib/rubygems/spec_fetcher.rb
+++ b/lib/rubygems/spec_fetcher.rb
@@ -39,7 +39,12 @@ class Gem::SpecFetcher
 
   def initialize
     @dir = File.join Gem.user_home, '.gem', 'specs'
-    @update_cache = File.stat(Gem.user_home).uid == Process.uid
+    @update_cache =
+      begin
+        File.stat(Gem.user_home).uid == Process.uid
+      rescue Errno::EACCES, Errno::ENOENT
+        false
+      end
 
     @specs = {}
     @latest_specs = {}
diff --git a/lib/rubygems/version.rb b/lib/rubygems/version.rb
index 50849857fe..2b7bf9b422 100644
--- a/lib/rubygems/version.rb
+++ b/lib/rubygems/version.rb
@@ -174,7 +174,7 @@ class Gem::Version
   # REFACTOR: There's no real reason this should be separate from #initialize.
 
   def self.create input
-    if input.respond_to? :version then
+    if self === input then # check yourself before you wreck yourself
       input
     elsif input.nil? then
       nil