Fish shell

function fish_prompt
    test $SSH_TTY; and printf (set_color red)(whoami)(set_color white)'@'(set_color yellow)(hostname)' '

    test $USER = 'root'; and echo (set_color red)"#"

    # Main
    echo -n (set_color cyan)(prompt_pwd) (set_color red)'❯'(set_color yellow)'❯'(set_color green)'❯ '
end