improved git branch status in your bash prompt

gistfile1.sh

txtred='\033[1;31m'
txtgrn='\033[1;32m'
txtylw='\033[1;33m'
end='\033[0m'

function parse_git {
  branch="$(__git_ps1 "%s")"
  if [[ -z $branch ]]; then
    return
  fi

  status="$(git status 2>/dev/null)"

  if [[ $status =~ "Untracked files" ]]; then
    branch="${txtred}(${branch})${end}"
  elif [[ $status =~ "Changes not staged for commit" ]]; then
    branch="${txtred}(${branch})${end}"
  elif [[ $status =~ "Changes to be committed" ]]; then
    branch="${txtylw}(${branch})${end}"
  elif [[ $status =~ "Your branch is ahead" ]]; then
    branch="${txtylw}(${branch})${end}"
  elif [[ $status =~ "nothing to commit" ]]; then
    branch="${txtgrn}(${branch})${end}"
  fi

  echo -e $branch
}

PS1='[\u@$HOSTNAME \[\e[2;32m\]\w\[\e[m\] $(parse_git)]\$ '