* Details of changes:
    https://github.com/rubygems/rubygems/blob/009080040279282d7b8ddd09acab41719cb4ba00/History.txt#L3

  * I kept ko1's commmit related thread issue. It's not merged 2.6 branch on rubygems.
    https://github.com/ruby/ruby/commit/1721dfa0ea963a85d4ac1e3415eb18ef427d4d36

  * I removed test_realworld_default_gem from rubygems-2.6.12. It fails on
    Ruby trunk. Because it's differences of test suite and environment.
    https://github.com/rubygems/rubygems/pull/1899

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58530 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  It supports to enable frozen string literal and add `--norc` option for
  disable to `.gemrc` configuration.
  See 2.5.2 release notes for other fixes and enhancements.
  https://github.com/rubygems/rubygems/blob/a8aa3bac723f045c52471c7b9328310a048561e0/History.txt#L3

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

When you change this to true, you may need to add more tests.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  this version contains pull requests number of #1343, #1356, #1357, #1363
  at https://github.com/rubygems/rubygems/pulls
* test/rubygems: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52372 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  this version contains many enhancements see http://git.io/vtNwF
* test/rubygems: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51092 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  Complete history at:
  https://github.com/rubygems/rubygems/blob/master/History.txt#L3-L216
* test/rubygems:  ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47582 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* lib/rubygems/basic_specification.rb (class Gem):
	* lib/rubygems/commands/contents_command.rb (prefix or only the files that are requir):
	* lib/rubygems/commands/install_command.rb (to write the specification by hand):
	* lib/rubygems/commands/setup_command.rb (class Gem):
	* lib/rubygems/commands/setup_command.rb (TEXT):
	* lib/rubygems/compatibility.rb (module Gem):
	* lib/rubygems/defaults.rb (module Gem):
	* lib/rubygems/deprecate.rb (module Gem):
	* lib/rubygems/installer.rb (class Gem):
	* lib/rubygems/platform.rb (class Gem):
	* lib/rubygems/rdoc.rb (class Gem):
	* lib/rubygems/request_set/lockfile.rb (class Gem):
	* lib/rubygems/resolver/installer_set.rb (class Gem):
	* lib/rubygems/resolver.rb (class Gem):
	* lib/rubygems/specification.rb (class Gem):
	* lib/rubygems/test_case.rb (class Gem):
	* lib/rubygems/test_case.rb (Also):
	* lib/rubygems/uninstaller.rb (class Gem):
	* lib/rubygems.rb (module Gem):
	* test/rubygems/test_gem.rb (class TestGem):
	* test/rubygems/test_gem_commands_contents_command.rb (lib):
	* test/rubygems/test_gem_commands_environment_command.rb (class TestGemCommandsEnvironmentCommand):
	* test/rubygems/test_gem_commands_install_command.rb (ERROR):
	* test/rubygems/test_gem_commands_update_command.rb (class TestGemCommandsUpdateCommand):
	* test/rubygems/test_gem_dependency_installer.rb (class TestGemDependencyInstaller):
	* test/rubygems/test_gem_installer.rb (load Gem):
	* test/rubygems/test_gem_installer.rb (gem):
	* test/rubygems/test_gem_request_set_lockfile.rb (GEM):
	* test/rubygems/test_gem_request_set_lockfile.rb (DEPENDENCIES):
	* test/rubygems/test_gem_specification.rb (dependencies):
	* test/rubygems/test_gem_specification.rb (duplicate dependency on b):
	* test/rubygems/test_gem_uninstaller.rb (class TestGemUninstaller):


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44515 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  in this commit:

  RubyGems now chooses the test server port reliably.  Patch by akr.

  Partial implementation of bundler's Gemfile format.

  Refactorings to improve the new resolver.

  Fixes bugs in the resolver.

* test/rubygems:  Tests for the above.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43643 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

It breaks build.
http://u64.rubyci.org/~chkbuild/ruby-trunk/log/20130913T200302Z.diff.html.gz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  Fixed installing platform gems

  Restored concurrent requires

  Fixed installing gems with extensions with --install-dir

  Fixed `gem fetch -v` to install the latest version

  Fixed installing gems with "./" in their files entries

* test/rubygems/test_gem_package.rb:  Tests for the above.

* NEWS:  Updated for RubyGems 2.1.3


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e