Fish prompt

fish_prompt.fish

function fish_prompt
	set dir (pwd)
	set dir (string replace '/Users/nat' '~' $dir)
	set dir (string replace '/home/nat' '~' $dir)
	set host (hostname 2> /dev/null)
	set git_branch (git branch 2> /dev/null | sed -e '/^[^\*]/d' -e 's/* (.*)/(1)/')
	set git_status (git status -s 2> /dev/null | wc -l | xargs)

	set_color 1F1
	echo -n $host':'$dir
	set_color normal
	echo ' '$git_branch' * '$git_status
	set_color 1F1
	echo -n '> '
	set_color normal
end