The install.rb script fails when running on Ruby 3.0.0:
{{./install.rb --destdir=debian/facter --sitelibdir=/usr/lib/ruby/vendor_ruby --ruby=/usr/bin/ruby /usr/lib/ruby/3.0.0/fileutils.rb:865:in `install': wrong number of arguments (given 3, expected 2) (ArgumentError) from ./install.rb:75:in `block in do_libs' from ./install.rb:70:in `each' from ./install.rb:70:in `do_libs' from ./install.rb:287:in `block in run' from /usr/lib/ruby/3.0.0/fileutils.rb:139:in `chdir' from /usr/lib/ruby/3.0.0/fileutils.rb:139:in `cd' from ./install.rb:277:in `run' from ./install.rb:293:in `<main>' }}
/usr/lib/ruby/3.0.0/fileutils.rb:865:in `install': wrong number of arguments (given 3, expected 2) (ArgumentError) from ./install.rb:75:in `block in do_libs' from ./install.rb:70:in `each' from ./install.rb:70:in `do_libs' from ./install.rb:287:in `block in run' from /usr/lib/ruby/3.0.0/fileutils.rb:139:in `chdir' from /usr/lib/ruby/3.0.0/fileutils.rb:139:in `cd' from ./install.rb:277:in `run' from ./install.rb:293:in `<main>'