#!/bin/sh
set -ex

retry_until_ok () {
	sleeptime=0
	while ! "$@"; do
		case $sleeptime in
		??.*)
			echo >&2 "$0: GPG AGENT STARTP $@ TIMED OUT"
			exit 127
			;;
		esac
		sleep $sleeptime
		sleeptime=$(echo "($sleeptime + 0.001) * 2" | bc -l)
	done
}

echo >&2 'GPG-WITHAGENT...'

agent_is_running () {
	gpg-connect-agent --no-autostart </dev/null \
		'/echo dgit-gpg-agent-ok' /bye 2>&1 \
	| grep dgit-gpg-agent-ok >&2
}


$DGIT_STUNT_AGENT --daemon </dev/null >&2
retry_until_ok agent_is_running

echo >&2 'GPG-WITHAGENT... RUNNING'

set +e
$DGIT_TEST_REAL_GPG					\
	--agent-program=$DGIT_STUNT_AGENT "$@"
rc=$?
set -e

echo >&2 'GPG-WITHAGENT... STOPPING'

kill_agent_not_running () {
	LC_MESSAGES=C gpg-connect-agent --no-autostart </dev/null \
		KILLAGENT /bye 2>&1 \
	| tee -a /dev/stderr \
	| grep 'no gpg-agent running' >&2
}

retry_until_ok kill_agent_not_running

echo >&2 'GPG-WITHAGENT... DONE'

exit $rc