My favorite Fish prompt

fish_prompt.fish

function fish_prompt --description 'Write out the prompt'
	set -l last_status $status

    if not set -q __fish_git_prompt_show_informative_status
        set -g __fish_git_prompt_show_informative_status 1
    end
    if not set -q __fish_git_prompt_hide_untrackedfiles
        set -g __fish_git_prompt_hide_untrackedfiles 1
    end

    if not set -q __fish_git_prompt_color_branch
        set -g __fish_git_prompt_color_branch magenta --bold
    end
    if not set -q __fish_git_prompt_showupstream
        set -g __fish_git_prompt_showupstream "informative"
    end
    if not set -q __fish_git_prompt_char_upstream_ahead
        set -g __fish_git_prompt_char_upstream_ahead "↑"
    end
    if not set -q __fish_git_prompt_char_upstream_behind
        set -g __fish_git_prompt_char_upstream_behind "↓"
    end
    if not set -q __fish_git_prompt_char_upstream_prefix
        set -g __fish_git_prompt_char_upstream_prefix ""
    end

    if not set -q __fish_git_prompt_char_stagedstate
        set -g __fish_git_prompt_char_stagedstate "●"
    end
    if not set -q __fish_git_prompt_char_dirtystate
        set -g __fish_git_prompt_char_dirtystate "✚"
    end
    if not set -q __fish_git_prompt_char_untrackedfiles
        set -g __fish_git_prompt_char_untrackedfiles "…"
    end
    if not set -q __fish_git_prompt_char_conflictedstate
        set -g __fish_git_prompt_char_conflictedstate "✖"
    end
    if not set -q __fish_git_prompt_char_cleanstate
        set -g __fish_git_prompt_char_cleanstate "✔"
    end

    if not set -q __fish_git_prompt_color_dirtystate
        set -g __fish_git_prompt_color_dirtystate blue
    end
    if not set -q __fish_git_prompt_color_stagedstate
        set -g __fish_git_prompt_color_stagedstate yellow
    end
    if not set -q __fish_git_prompt_color_invalidstate
        set -g __fish_git_prompt_color_invalidstate red
    end
    if not set -q __fish_git_prompt_color_untrackedfiles
        set -g __fish_git_prompt_color_untrackedfiles $fish_color_normal
    end
    if not set -q __fish_git_prompt_color_cleanstate
        set -g __fish_git_prompt_color_cleanstate green --bold
    end

    if not set -q __fish_prompt_normal
        set -g __fish_prompt_normal (set_color normal)
    end

    set -l color_cwd
    set -l prefix
    set -l suffix
    switch "$USER"
        case root toor
            if set -q fish_color_cwd_root
                set color_cwd $fish_color_cwd_root
            else
                set color_cwd $fish_color_cwd
            end
            set suffix '#'
        case '*'
            set color_cwd $fish_color_cwd
            set suffix '$'
    end

    # PWD
    set_color $color_cwd
    echo -n (prompt_pwd)
    set_color normal

    printf '%s ' (__fish_vcs_prompt)

    if not test $last_status -eq 0
        set_color $fish_color_error
    end

    echo -n "$suffix "

    set_color normal
end