change-prompt.fish

function change-prompt -d "Change your fish prompt."
  set fish_main_config_dir $HOME/.config/fish
  set fish_current_prompt_location $fish_main_config_dir/functions/fish_prompt.fish
  set fish_new_prompt_location $fish_main_config_dir/prompts/$argv[1].fish

  if test -f $fish_new_prompt_location
    if test -f $fish_current_prompt_location
      mv -f $fish_current_prompt_location $fish_current_prompt_location.bak
    end

    ln -fs $fish_new_prompt_location $fish_current_prompt_location
  end
end