gistfile1.sh

# determine current git branch
function parse_git_branch() {
ref=$(git symbolic-ref HEAD 2> /dev/null) || return
echo "["${ref#refs/heads/}"]"
}

function set_prompt() {
  local GREEN='\[\033[0;32m\]'
  local WHITE='\[\033[1;37m\]'
  local NULL='\[\033k\033\\\]'
  PS1="$NULL\u@\h:\w$GREEN\$(parse_git_branch)$WHITE$ "
  export PS1
}

set_prompt