Fish shell prompt variation with git support

gistfile1.txt

// See https://geraldkaszuba.com/tweaking-fish-shell/ for git branch support
function git_branch
    set -g git_branch (git rev-parse --abbrev-ref HEAD ^ /dev/null)
    if [ $status -ne 0 ]
        set -ge git_branch
        set -g git_dirty_count 0
    else
        set -g git_dirty_count (git status --porcelain  | wc -l | sed "s/ //g")
    end
end
function fish_prompt
	and set retc green; or set retc red
    tty|string match -q -r tty; and set tty tty; or set tty pts

    set_color $retc
    if [ $tty = tty ]
        echo -n .-
    else
        echo -n '┬─'
    end
    set_color -o green
    echo -n [
    if test $USER = root -o $USER = toor
        set_color -o red
    else
        set_color -o yellow
    end
    echo -n $USER
    set_color -o white
    echo -n @
    if [ -z "$SSH_CLIENT" ]
        set_color -o blue
    else
        set_color -o cyan
    end
    echo -n (hostname)
    set_color -o white
    #echo -n :(prompt_pwd)
    echo -n :(pwd|sed "s=$HOME=~=")
    set_color -o green
    echo -n ']'
    set_color normal
    set_color $retc
    if [ $tty = tty ]
        echo -n '-'
    else
        echo -n '─'
    end
    set_color -o green
    git_branch
    if set -q git_branch
      echo -n '['
      if [ -z "$SSH_CLIENT" ]
        set_color -o blue
      else
        set_color -o cyan
      end
      echo -n $git_branch
      if test $git_dirty_count -gt 0
        set_color -o red
        echo -n "$out$c0:$ce$git_dirty_count"
      end
      set_color -o green
      echo -n ']'
      set_color normal
      set_color $retc
      if [ $tty = tty ]
        echo -n '-'
      else
        echo -n '─'
      end
      set_color -o green
    end
    echo -n '['
    set_color normal
    set_color $retc
    echo -n (date +%X)
    set_color -o green
    echo -n ]

    if type -q acpi
		if [ (acpi -a 2> /dev/null | string match -r off) ]
			echo -n '─['
			set_color -o red
			echo -n (acpi -b|cut -d' ' -f 4-)
			set_color -o green
			echo -n ']'
		end
	end
    echo
    set_color normal
    for job in (jobs)
        set_color $retc
        if [ $tty = tty ]
            echo -n '; '
        else
            echo -n '│ '
        end
        set_color brown
        echo $job
    end
    set_color normal
    set_color $retc
    if [ $tty = tty ]
        echo -n "'->"
    else
        echo -n '╰─>'
    end
    set_color -o red
    echo -n '$ '
    set_color normal
end