.bashrc requires bash > 4.1

.bashrc

function parse_git_branch() {
  git=""
	BRANCH=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
	if [ ! "${BRANCH}" == "" ]
	then
                STAT=`parse_git_dirty`
                STR=$'\u251c'
                STR+=$'\u2574'
                STR+="$cyan${BRANCH}${STAT}"

		git="${STR}\n$white"
                echo -e "${git}"
        else
		echo ""
	fi
}

function parse_git_dirty {
	status=`git status 2>&1 | tee`
	dirty=`echo -n "${status}" 2> /dev/null | grep "modified:" &> /dev/null; echo "$?"`
	untracked=`echo -n "${status}" 2> /dev/null | grep "Untracked files" &> /dev/null; echo "$?"`
	ahead=`echo -n "${status}" 2> /dev/null | grep "Your branch is ahead of" &> /dev/null; echo "$?"`
	newfile=`echo -n "${status}" 2> /dev/null | grep "new file:" &> /dev/null; echo "$?"`
	renamed=`echo -n "${status}" 2> /dev/null | grep "renamed:" &> /dev/null; echo "$?"`
	deleted=`echo -n "${status}" 2> /dev/null | grep "deleted:" &> /dev/null; echo "$?"`
	bits=''
	if [ "${renamed}" == "0" ]; then
		bits=">${bits}"
	fi
	if [ "${ahead}" == "0" ]; then
		bits="*${bits}"
	fi
	if [ "${newfile}" == "0" ]; then
		bits="+${bits}"
	fi
	if [ "${untracked}" == "0" ]; then
		bits="?${bits}"
	fi
	if [ "${deleted}" == "0" ]; then
		bits="x${bits}"
	fi
	if [ "${dirty}" == "0" ]; then
		bits="!${bits}"
	fi
	if [ ! "${bits}" == "" ]; then
		echo " ${bits}"
	else
		echo ""
	fi
}

# Color variable names based off 16 color terminal defaults
black="\e[0;30m"
red="\e[0;31m"
green="\e[0;32m"
yellow="\e[0;33m"
blue="\e[0;34m"
magenta="\e[0;35m"
cyan="\e[0;36m"
lightgray="\e[0;90m"
white="\e[0;97m"

PS1=""
PS1+="$white"
PS1+=$'\u256d' # Unicode pipe character
PS1+=$'\u2574'
PS1+="$red\u" # User
PS1+="$white at "
PS1+="$yellow\h" # Machine
PS1+="$white in "
PS1+="$green\w$white\n" # Current Path
PS1+="\`parse_git_branch\`"
PS1+="$white"
PS1+=$'\u2570'
PS1+=$'\u2500'
PS1+=$'\u03a3 '
#PS1+=$'\u203a '

export PS1