Git branch and changes indicator for bash

.bash_profile

__quiet() {
  $1 2> /dev/null
}

parse_git_branch() {
  __quiet 'git branch' | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
}

count_git_changes() {
  count=$(__quiet 'git status -s' | wc -l)
  if [ !$count == 0 ]; then
    echo [ $count ]
  fi
}
export PS1='\[\e[0;34m\]\W\[\e[0;36m\]$(parse_git_branch)\[\e[0;35m\]$(count_git_changes) \[\e[0;37m\]>\[\e[0m\] '