# Copyright 2017 The Rust Project Developers. See the COPYRIGHT # file at the top-level directory of this distribution and at # http://rust-lang.org/COPYRIGHT. # # Licensed under the Apache License, Version 2.0 or the MIT license # , at your # option. This file may not be copied, modified, or distributed # except according to those terms. hide_output() { set +x on_err=" echo ERROR: An error was encountered with the build. cat /tmp/build.log exit 1 " trap "$on_err" ERR bash -c "while true; do sleep 30; echo \$(date) - building ...; done" & PING_LOOP_PID=$! "$@" &> /tmp/build.log trap - ERR kill $PING_LOOP_PID set -x }