Compatibility with Ubuntu 18.04 about rvm

[fieldse]

This is somewhere upstream in the install_rubies method of chef_rvm_recipe_helpers.rb

Chef::Exceptions::Package                                                                                                                                                                 
    -------------------------                                                                                                                                                                 
    rvm_environment[ruby-2.3.1] (/root/chef-solo/cookbooks-2/rvm/providers/default_ruby.rb line 37) had an error: Chef::Exceptions::Package: rvm_ruby[ruby-2.3.1] (/root/chef-solo/cookbooks-2
/rvm/providers/environment.rb line 70) had an error: Chef::Exceptions::Package: apt_package[libreadline6] (/root/chef-solo/cookbooks-2/rvm/providers/ruby.rb line 174) had an error: Chef::Exc
eptions::Package: libreadline6 has no candidate in the apt-cache                                                                                                                              
                                                                                                                                                                                              
    Cookbook Trace:                                                                                                                                                                           
    ---------------                                                                                                                                                                           
    /root/chef-solo/cookbooks-2/rvm/providers/ruby.rb:176:in `block in install_ruby_dependencies'                                                                                             
    /root/chef-solo/cookbooks-2/rvm/providers/ruby.rb:173:in `each'                                                                                                                           
    /root/chef-solo/cookbooks-2/rvm/providers/ruby.rb:173:in `install_ruby_dependencies'                                                                                                      
    /root/chef-solo/cookbooks-2/rvm/providers/ruby.rb:45:in `block in class_from_file'                                                                                                        
    /root/chef-solo/cookbooks-2/rvm/providers/environment.rb:74:in `ruby_resource'                                                                                                            
    /root/chef-solo/cookbooks-2/rvm/providers/environment.rb:39:in `block in class_from_file'                                                                                                 
    /root/chef-solo/cookbooks-2/rvm/providers/default_ruby.rb:41:in `block in class_from_file

[xorima]

So this cookbook needs to actually test modern operating systems which will catch this (and other issues I suspect), #398 has been raised for this, but if anyone is willing to help it would be greatly appreciated.

Note: If you do want to help I am happy to guide and assist on anything people are unsure of

[github-actions]

Marking stale due to inactivity. Remove stale label or comment or this will be closed in 7 days. Alternatively drop by the #sous-chefs channel on the Chef Community Slack and we'll be happy to help! Thanks, Sous-Chefs.

[github-actions]

Closing due to inactivity. If this is still an issue please reopen or open another issue. Alternatively drop by the #sous-chefs channel on the Chef Community Slack and we'll be happy to help! Thanks, Sous-Chefs.