#!/usr/bin/env bash
set -xeuo pipefail

cd "$(git rev-parse --show-toplevel)"

if [ -z "${CHUTNEY_PATH:-}" ]; then
    # Use the default chutney path we set up before.
    CHUTNEY_PATH="$(pwd)/chutney"
    export CHUTNEY_PATH
else
    # CHUTNEY_PATH is set; tell the user about that.
    echo "CHUTNEY_PATH is ${CHUTNEY_PATH}; using your local copy of chutney."
fi

# Tell shellcheck that yes, we know that we're sourcing a file.
# shellcheck disable=SC1091
source tests/chutney/arti.run

# If Arti was started, stop it. If it wasn't, that's an error and it'll be reported
# when we can't read $result later.
if [ -n "${pid:-}" ]; then
    # Tolerate a failure here: even in case the arti process already died
    # for some reason, we still want to shut down the chutney network.
    kill -s INT "$pid" || true
    # wait $pid, but $pid was started by a different process
    tail --pid="$pid" -f /dev/null
fi

# Tells shellcheck that this variables is set; exits early if it isn't.
target="${target:?}"
"${CHUTNEY_PATH}/chutney" stop "${CHUTNEY_PATH}/$target"

# Tell shellcheck that yes, we know that we're sourcing a file.
# shellcheck disable=SC1091
source tests/chutney/arti.run

# As above, make sure this is defined.  (It won't be defined until
# this point, so we can't check it earlier.)
result="${result:?}"

exit "$result"