# git part(s) of the prompt
__git_prompt()
{
	PR_GITBRANCH=
	local g=$(git rev-parse --git-dir 2>/dev/null)
	local cy="%{%}"
	local cc="%{%}"
	local cR="%{%}"
	if [[ -n $g ]]; then
		local r
		local b=HEAD
		if [[ -d "$g/../.dotest" ]]; then
			r="${cy}rebase/am "
		elif [[ -d "$g/../.dotest-merge" ]]; then
			b="$(cat $g/.dotest-merge/head-name)"
			if [ -f "$g/../.dotest-merge/interactive" ]; then
				r="${cy}rebase-i "
			else
				r="${cy}rebase-m "
			fi
		elif [[ -f "$g/MERGE_HEAD" ]]; then
			r="${cy}merge "
		else
			if [[ -f $g/BISECT_LOG ]]; then
				r="${cy}bisect "
			fi
		fi
		b=$(git name-rev --name-only $b 2>/dev/null)
		PR_GITBRANCH="%{%}::$r$cc%20>..>$b%>>$cR"
	fi
}

# this updates the ACPI status
precmd()
{
	local e=$'\e'
	local g=$'\007'

	PR_TITLEBAR="%(!.[ROOT] .)%n@%m:%~ | ${COLUMNS}x${LINES}"

	__git_prompt

	case $TERM in
	screen)
		PR_TITLEBAR="%{${e}_$PR_TITLEBAR$e\\${e}ksh$e\\%}"
	;;

	xterm*|rxvt|eterm|screen*)
		PR_TITLEBAR="%{$e]0;$PR_TITLEBAR$g%}"
	;;

	*)
		PR_TITLEBAR=
	esac
}

# mess with the window title in screen
preexec()
{
	if [[ "$TERM" == "screen" ]] {
	local CMD=${1[(wr)^(*=*|sudo|-*)]}
	echo -n "\ek${CMD##*/}\e\\"
	}
}


# guess what.
setprompt()
{
	autoload colors zsh/terminfo
	if [[ "$terminfo[colors]" -ge 8 ]]; then
		colors
	fi

	for color in RED GREEN YELLOW BLUE MAGENTA CYAN WHITE; do
		eval local PR_$color='%{$terminfo[bold]$fg[${(L)color}]%}'
		eval local PR_LIGHT_$color='%{$fg[${(L)color}]%}'
		(( count = $count + 1 ))
	done
	local PR_NO_COLOUR="%{$terminfo[sgr0]%}"
	local PR_BOLD="%{$terminfo[bold]%}"
	local PR_ESC=$'\e'

	PROMPT="%(!.$PR_LIGHT_RED.$PR_LIGHT_GREEN)%n@$PR_BOLD%m $PR_BLUE%(?..%?)%#$PR_NO_COLOUR \$PR_TITLEBAR"
	RPROMPT="$PR_LIGHT_BLUE| $PR_BOLD%D{%m%d_%H%M.%S}$PR_LIGHT_BLUE | $PR_BOLD%~\$PR_GITBRANCH$PR_NO_COLOUR"
	PS2="$PR_GREEN%_$PR_BLUE> $PR_NO_COLOUR"
}

setprompt