My shell prompt with git branch info

.bash_profile

function parse_git_branch() {
  git_branch=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
  if [ $git_branch ]; then
    echo "•$git_branch"
  fi
}

export PS1='\h:\W\[\033[1;35m\]$(parse_git_branch)\[\033[1;37m\] \u$\[\033[0m\] '