clean/dirty branch name

gistfile1.txt

LIGHT_GRAY="\[\033[0;37m\]"; BLUE="\[\033[1;36m\]"; RED="\[\033[0;31m\]"; LIGHT_RED="\[\033[1;31m\]"; 
GREEN="\[\033[0;32m\]"; WHITE="\[\033[1;37m\]"; LIGHT_GRAY="\[\033[0;37m\]"; YELLOW="\[\033[1;33m\]";

function parse_git_branch { 
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ \(\1\)/'; 
}
function parse_git_status { 
  git status 2> /dev/null | grep 'working directory clean' | wc -l;
}
function check_git_changes { 
  # tput setaf 1 = RED, tput setaf 2 = GREEN
  [ `parse_git_status` -ne 1 ] && tput setaf 1 || tput setaf 2
} 
export PS1="$YELLOW\w\[\$(check_git_changes)\]\$(parse_git_branch)$LIGHT_GRAY $ "