If you want to use this package as your default system ruby, as root
create symbolic links like so (overwriting any previous default):

 ln -sf ${PREFIX}/bin/ruby27 ${PREFIX}/bin/ruby
 ln -sf ${PREFIX}/bin/erb27 ${PREFIX}/bin/erb
 ln -sf ${PREFIX}/bin/irb27 ${PREFIX}/bin/irb
 ln -sf ${PREFIX}/bin/rdoc27 ${PREFIX}/bin/rdoc
 ln -sf ${PREFIX}/bin/ri27 ${PREFIX}/bin/ri
 ln -sf ${PREFIX}/bin/rake27 ${PREFIX}/bin/rake
 ln -sf ${PREFIX}/bin/gem27 ${PREFIX}/bin/gem
 ln -sf ${PREFIX}/bin/bundle27 ${PREFIX}/bin/bundle
 ln -sf ${PREFIX}/bin/bundler27 ${PREFIX}/bin/bundler
 ln -sf ${PREFIX}/bin/racc27 ${PREFIX}/bin/racc
 ln -sf ${PREFIX}/bin/racc2y27 ${PREFIX}/bin/racc2y
 ln -sf ${PREFIX}/bin/y2racc27 ${PREFIX}/bin/y2racc

The ruby-shims package is also available to automatically select an
appropriate Ruby version per-project directory or system-wide.
