gem install --user-install bundler || fatal 'Could not install bundler'
fi
+# Jenkins config requires that glob tmp/*.log match something. Ensure
+# that happens even if we don't end up running services that set up
+# logging.
+mkdir -p "${WORKSPACE}/tmp/" || fatal "could not mkdir ${WORKSPACE}/tmp"
+touch "${WORKSPACE}/tmp/controller.log" || fatal "could not touch ${WORKSPACE}/tmp/controller.log"
+
retry() {
remain="${repeat}"
while :