#!/usr/bin/env bash

set -eu

#
# Delegate operations to an instrumented binary and collects coverage data.
#

#shellcheck disable=SC1007
THIS_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
# no need to change directory, and doing it here would break hub tests
#shellcheck disable=SC1090
. "${THIS_DIR}/.environment.sh"

set -o pipefail  # don't let sed hide the statuscode
mkdir -p "${LOCAL_DIR}/var/lib/coverage"

# we collect rc and output by hand, because setting -o pipefail would trigger a
# SIGPIPE.
set +e

# Arguments to cscli are passed through a temporary, newline-delimited
# file courtesy of github.com/confluentinc/bincover. Coverage data will be
# merged at the end of the test run.
# The '=' between flags and values is required.
output=$("${BIN_DIR}/cscli.cover" \
    -test.run="^TestBincoverRunMain$" \
    -test.coverprofile="${LOCAL_DIR}/var/lib/coverage/$(date +'%s')-$$.out" \
    -args-file=<(for i; do echo "$i"; done))
rc=$?

# We also cut the metadata stuff that we don't need.
echo -n "$output" | tr '\n' '\f' | sed 's/START_BINCOVER_METADATA.*//' | tr '\f' '\n'

# this does not work because cscli output does not always end with \n
# echo -n "$output" | sed -n '/START_BINCOVER_METADATA/q;p'

exit $rc