new(command, summary=nil, defaults={})
Class Public methods
Initializes a generic gem command named command.
summary is a short description displayed in `gem help
commands`. defaults are the default options. Defaults should
be mirrored in defaults_str, unless there
are none.
When defining a new command subclass, use #add_option to add command-line
switches.
Unhandled arguments (gem names, files, etc.) are left in
options[:args].