gistfile1.txt

# shows git branch if any
function git_branch {
  if [[ -x /usr/bin/git ]]; then
    git branch &> /dev/null
    if [[ $? == 0 ]]; then
      branch=$(git branch | awk '/^\* / {print $2}')
      echo -n "($branch) "
    fi
  fi
}

PS1='\[\e[32m\][\[\e[35m\]$(git_branch)\[\e[32m\]\u\[\e[34m\]@\[\e[32m\]\h \[\e[34m\]\W\[\e[32m\]]\$\[\e[0m\] '