Bash function to update an ASDF plugin

asdfu.sh

# This file must be sourced from your shell

function asdfu() {
  product_name=${1:-}
  if [ -z $product_name ]; then
    >&2 echo "You must pass in a product name. E.g. asdfu kubectl"
    return 1
  fi

  asdf plugin add $product_name
  ret_code=$?
  if [ $ret_code -eq 2 ]; then
    asdf plugin update $product_name || return 1
  elif [ $ret_code -ne 2 ] && [ $ret_code -ne 0 ]; then
    >&2 echo "ERROR: Aborting"
    return 1
  fi

  asdf install $product_name latest
  if [ $? -ne 0 ]; then
    >&2 echo "ERROR: Aborting"
    return 1
  fi

  latest_version="$(asdf list $product_name | sort -r | head -n 1 | xargs)" || return 1

  asdf global $product_name $latest_version
}