#! /usr/bin/env bash
#
# Runs btest-diff on $@ and fails if any fails. If $@ contains globs, we expand
# them relative to *both* the current directory and the test's baseline
# directory so that we spot missing files. Note that you will need to quote
# the globals in the TEST-EXEC line as otherwise they will have been expanded relative
# to the current directory already when this scripts runs.

diag=$TEST_DIAGNOSTICS

export TEST_DIAGNOSTICS=$diag.tmp

if [ "$diag" = "" ]; then
    diag=/dev/stdout
else
    rm -f $diag
fi

rc=0

files_cwd=$(ls $@)
files_baseline=$(cd $TEST_BASELINE && ls $@)

for i in $(echo $files_cwd $files_baseline | sort | uniq); do
    if [[ "$i" != "loaded_scripts.log" && "$i" != "prof.log" && "$i" != "debug.log" && "$i" != "stats.log" && "$i" != broker_*.log && "$i" != "telemetry.log" ]]; then

        if [[ "$i" == "reporter.log" ]]; then
            # Do not diff the reporter.log if it only complains about missing
            # GeoIP support or database.
            if ! grep -E -v "^#|Zeek was not configured for GeoIP support|Failed to open GeoIP" $i; then
                continue
            fi
        fi

        if ! btest-diff $i; then
            echo "" >>$diag
            echo "#### btest-diff $i" >>$diag
            echo "" >>$diag
            cat $diag.tmp >>$diag
            rc=1
        fi
    fi
done

exit $rc