#! /usr/bin/env bash
#
# Wrapper to continue supporting old names of executables.
# This will print a deprecation warning to stderr if (1) stdin/stdout/stderr
# are all connected to a tty, and (2) the environment variable ZEEK_IS_BRO
# is unset.

function deprecated {
cat >&2 <<EOF
Warning: Use of '$1' is deprecated. It is linked to a wrapper that
         will be removed in the future. Please use '$2' instead.

EOF
}

base=$(dirname $0)
old=$(basename $0)
new=$(echo "${old}" | sed 's/^bro/zeek/')

if [ "${new}" = "${old}" ]; then
    echo "zeek-wrapper: this script is just a wrapper for old commands"
    exit 1
fi

if [ ! -f "${base}/${new}" ]; then
    echo "zeek-wrapper: ${new} not found"
    exit 1
fi

test -t 0 && test -t 1 && test -t 2 && test -z "${ZEEK_IS_BRO}" && deprecated "${old}" "${new}"

"${base}/${new}" "$@"