#!/usr/bin/env bash

function call_remote {
  local fn="$1"
  local args="${@:2}"

  ssh -l christian -p 2200 ulrich.earth "$(declare -f $fn); $fn '$args'"
}

function worker_has_nix {
  which nix-env 2>&1 >/dev/null
  has_nix_env=$?
  which nix-channel 2>&1 >/dev/null
  has_nix_channel=$?
  [ "$has_nix_env" -eq 0 ] && [ "$has_nix_channel" -eq 0 ]
  echo $?
}

call_remote worker_has_nix