zsh hook for loading docker-machine env by containing dir

dme.sh

devbox-register-hook() {
  autoload add-zsh-hook
  add-zsh-hook chpwd devbox-load-env
}

devbox-unregister-hook() {
  autoload add-zsh-hook
  add-zsh-hook -d chpwd devbox-load-env
}

devbox-find() {
  devbox-unregister-hook

  dir=$(pwd)

  while true;
  do
    db=$(pwd)/devbox

    if [ -x "$db" ] && [ -f "$db" ] ; then
      echo $(basename $(dirname $db))
      break
    fi

    if [ $(pwd) = "/" ]; then
      break
    fi

    cd ..
  done

  cd "$dir"

  devbox-register-hook
}

devbox-load-env() {
  n=$(devbox-find)

  if [ "$n" != "" ]; then
    echo "Loading env for $n"
    eval $(docker-machine env "$n")
    iterm2_set_user_var BADGE "$n"
  fi
}

devbox-register-hook