* lib/rubygems.rb: Allow specification of directory permissions.

[ruby-trunk - Bug #7713]
* test/rubygems/test_gem.rb:  Test for the above.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39607 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Wed Mar  6 08:00:59 2013  Eric Hodel  <drbrain@segment7.net>
+
+	* lib/rubygems.rb:  Allow specification of directory permissions.
+	  [ruby-trunk - Bug #7713]
+	* test/rubygems/test_gem.rb:  Test for the above.
+
 Wed Mar  6 07:40:21 2013  Eric Hodel  <drbrain@segment7.net>
 
 	* lib/rubygems/commands/query_command.rb:  Only fetch remote specs when

lib/rubygems.rb

@@ -375,20 +375,28 @@ module Gem
   end
 
   ##
-  # Quietly ensure the named Gem directory contains all the proper
+  # Quietly ensure the Gem directory +dir+ contains all the proper
   # subdirectories.  If we can't create a directory due to a permission
   # problem, then we will silently continue.
+  #
+  # If +mode+ is given, missing directories are created with this mode.
+  #
+  # World-writable directories will never be created.
 
-  def self.ensure_gem_subdirectories dir = Gem.dir
+  def self.ensure_gem_subdirectories dir = Gem.dir, mode = nil
     old_umask = File.umask
     File.umask old_umask | 002
 
     require 'fileutils'
 
+    options = {}
+
+    options[:mode] = mode if mode
+
     REPOSITORY_SUBDIRECTORIES.each do |name|
       subdir = File.join dir, name
       next if File.exist? subdir
-      FileUtils.mkdir_p subdir rescue nil # in case of perms issues -- lame
+      FileUtils.mkdir_p subdir, options rescue nil
     end
   ensure
     File.umask old_umask

test/rubygems/test_gem.rb

@@ -700,6 +700,18 @@ class TestGem < Gem::TestCase
     assert File.directory? File.join(@gemhome, "cache")
   end
 
+  def test_self_ensure_gem_directories_permissions
+    FileUtils.rm_r @gemhome
+    Gem.use_paths @gemhome
+
+    Gem.ensure_gem_subdirectories @gemhome, 0750
+
+    assert File.directory? File.join(@gemhome, "cache")
+
+    assert_equal 0750, File::Stat.new(@gemhome).mode & 0777
+    assert_equal 0750, File::Stat.new(File.join(@gemhome, "cache")).mode & 0777
+  end unless win_platform?
+
   def test_self_ensure_gem_directories_safe_permissions
     FileUtils.rm_r @gemhome
     Gem.use_paths @gemhome