.bash_prompt

parse_git_branch() {
  BRANCH=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
	if [ ! "${BRANCH}" == "" ]
	then
		STAT=`parse_git_dirty`
		echo "$(tput setaf 4)git:($(tput sgr0)$(tput setaf 1)${BRANCH}$(tput sgr0)$(tput setaf 4))$(tput sgr0)$(tput sgr0)${STAT} "
	else
		echo ""
	fi
}

# get current status of git repo
function parse_git_dirty {
	status=`git status 2>&1 | tee`
	dirty=`echo -n "${status}" 2> /dev/null | grep "modified:" &> /dev/null; echo "$?"`
	ahead=`echo -n "${status}" 2> /dev/null | grep "Your branch is ahead of" &> /dev/null; echo "$?"`
	bits=''

	if [ "${ahead}" == "0" ]; then
		bits="$(tput setaf 2)↑$(tput sgr0)${bits}"
	fi
	if [ "${dirty}" == "0" ]; then
		bits="$(tput setaf 3)✗$(tput sgr0)${bits}"
	fi
	if [ ! "${bits}" == "" ]; then
		echo " ${bits}"
	else
		echo ""
	fi
}

export PS1="\[\e[32m\]→\[\e[m\] \W \`parse_git_branch\`"