Systemwide rbenv initialisation for fish shell

config.fish

# Add these to /usr/share/fish/config.fish

# System-wide rbenv support for fish
if test -f /usr/local/rbenv/bin/rbenv
  set -gx RBENV_ROOT /usr/local/rbenv
  if not contains /usr/local/rbenv/bin $PATH
    set PATH $PATH /usr/local/rbenv/bin
  end
  . (rbenv init - | psub)
end