git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67889 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	Update the certificate files to make the test pass on Debian 10

	The old certificate files (for example, test/rubygems/ca_cert.pem) were
	signed by SHA1.  This message digest is considered too weak and rejected
	by OpenSSL 1.1.1 or later.  Because of this, the test suite does not
	pass on Debian 10.

	https://rubyci.org/logs/rubyci.s3.amazonaws.com/debian/ruby-master/log/20190527T123003Z.fail.html.gz#test%2Frubygems

	This change regenerates the files.
	A shell script for the regeneration (util/create_certs.sh) is also
	added.

	* remove trailing spaces.


	Removed inconsistency file from upstream repository of rubygems.

	  followed up ae2a904ce9bffedee7d110dc60fd51c0a2879a5b

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67234 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	Merge RubyGems-2.7.5 from upstream.

	  Please see its details: http://blog.rubygems.org/2018/02/06/2.7.5-released.html

	test_gem_util.rb: fix broken test

	* test/rubygems/test_gem_util.rb: no guarantee that tmpdir is
	  always underneath the root directory at all.

	test_gem_commands_setup_command.rb: BUNDLER_VERS

	* test/rubygems/test_gem_commands_setup_command.rb: run bundled
	  gem command, instead of installed one.

	no need to set bundled bundler unless Gem::USE_BUNDLER_FOR_GEMDEPS


	revert r62302 and force to define the version constant


	Merge RubyGems 2.7.6 from upstream.

	  It fixed some security vulnerabilities.

	  http://blog.rubygems.org/2018/02/15/2.7.6-released.html

	fix regexp literal warning.

	test/rubygems/test_gem_server.rb: eliminate duplicated character class warning.
	[Bug #14481]

	Remove unnecessary `[]`s

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@62837 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@62835 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	fix concurrent test.

	* test/rubygems/test_require.rb (test_concurrent_require):
	  Synchronizations should be in ensure clause. Sometimes
	  `require` fails (not sure why) and latch is not released.
	  Such case introduces unlimited awaiting.
	  This patch soleve this problem.


	skip some tests so that no failure occurs in root privilege

	Some tests had failed on `sudo make test-all`, mainly because root can
	access any files regardless of permission.  This change adds `skip`
	guards into such tests.

	Note that almost all tests in which `skip` guards is added, already have
	"windows" guard.  This is because there is no support to avoid read
	access by owner on Windows.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@62834 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61419 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  I faced a big issue about Bundler with ruby core.
  I have no time to resolve it issue before 2.5 final release.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61416 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* The warnings are shown by Thread.report_on_exception defaulting to
  true. [Feature #14143] [ruby-core:83979]
* Improves tests by narrowing down the scope where an exception
  is expected.

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