_zimfw_install_update() {
  local -r _zargs_action=${1}
  _zimfw_source_zimrc 1 && zargs -n 1 -P 0 -- "${_znames[@]}" -- _zimfw_run_tool
  # Ignore return from zargs with -P. Was missing values before zsh 5.9, and
  # it's intermittently failing in zsh 5.9 and macOS. See https://www.zsh.org/mla/workers/2022/msg00611.html
  return 0
}