#!/usr/bin/env bash

#set -eu

if [ "$0" == "${BASH_SOURCE[0]}" ]; then
  echo "Please source this file, do not call it"
  exit 1
fi

#If the env isn't set, try and load it
if [ "${GPG_AGENT_INFO-}" == "" ] || ! gpg-connect-agent /bye > /dev/null 2>&1; then
  if [ -e "${HOME}/.gnupg/gpg-agent.env" ]; then
    source ${HOME}/.gnupg/gpg-agent.env
    export GPG_AGENT_INFO
  fi
fi

#Test the agent, if fail, start a new one
if ! gpg-connect-agent /bye > /dev/null 2>&1; then
  eval $(gpg-agent --daemon --default-cache-ttl=18000 --max-cache-ttl=18000 --write-env-file=${HOME}/.gnupg/gpg-agent.env)
fi

#Precache signing key
gpg2 -o /dev/null -s /dev/null