should not change the value of $. when `require`ing gems.
this fixed test failures introduced by r51813.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51814 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
Fixed extension directory in Gem::Specification#require_paths.
Allow installation of gems when $HOME is nonexistent or unwritable.
Use proper API in InstallCommand.
Improve support for path option in gem dependency files.
Remove warnings.
* test/rubygems: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43357 b2dd03c8-39d4-4d8f-98ff-823fe69b080e