Dir.mktmpdir is not setting "d" prefix as default
In Ruby < 2.2.0 when nil was passed as first parameter it was changed to "d"
In latest version this behaviour was changed and now 'd' is default value, but if nil was passed Exception is raised.
I attached tiny patch to this.
- lib/tmpdir.rb (Dir.mktmpdir): Accept nil again, as Ruby 2.1. [ruby-core:66943] [Bug #10616] Fixed by Alex Slynko.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48905 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Add a test for Dir.mktmpdir(nil) [ruby-core:66943] [Bug #10616].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48906 b2dd03c8-39d4-4d8f-98ff-823fe69b080e