#!/bin/sh

envfile="${HOME}/.gnupg/gpg-agent.env"

if test -f "$envfile" && kill -0 $(grep GPG_AGENT_INFO "$envfile" | cut -d: -f 2) 2>/dev/null; then
    eval "$(cat "$envfile")"
else
    eval "$(gpg-agent --daemon --write-env-file "$envfile")"
fi

export GPG_AGENT_INFO # the env file does not contain the export statement