Terminal git branch state

git-branch.sh

# https://gist.github.com/chrisnolet/d07a55580337cfe7d5388b1d3c4960cc
function git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* (*\([^)]*\))*/\1/'
}

function markup_git_branch {
  if [[ -n $@ ]]; then
    if [[ -z $(git status --porcelain 2> /dev/null | tail -n1) ]]; then
      echo -e " \001\033[32m\002($@)\001\033[0m\002"
    else
      echo -e " \001\033[31m\002($@)\001\033[0m\002"
    fi
  fi
}

PS1="\$(markup_git_branch \$(git_branch))"