~/.config/fish/config.fish

config.fish

# http://herdrick.tumblr.com/post/24563032599/display-git-branch-and-dirty-status-in-fish-shell

set fish_git_dirty_color red

function parse_git_dirty
	git diff --quiet HEAD ^&-
	if test $status = 1
		echo (set_color $fish_git_dirty_color)":"(set_color normal)
	end
end

function parse_git_branch
	# git branch outputs lines, the current branch is prefixed with a *
	#set -l branch (git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/')
	set -l branch (git rev-parse --abbrev-ref HEAD)
	printf '%s%s' $branch (parse_git_dirty)
end

function fish_prompt
	if test -z (git branch --quiet 2>| awk '/fatal:/ {print "no git"}')
		printf '%s@%s %s%s%s (%s)> ' (whoami) (hostname|cut -d . -f 1) (set_color $fish_color_cwd) (prompt_pwd) (set_color normal) (parse_git_branch)
	else
		printf '%s@%s %s%s%s> '  (whoami) (hostname|cut -d . -f 1) (set_color $fish_color_cwd) (prompt_pwd) (set_color normal)
	end
end