#!/bin/sh
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This file is part of dobuild.
# Copyright (c) 2019 Contributors as noted in the AUTHORS file.
#
# SPDX-License-Identifier: MPL-2.0

set -e

physical_pwd() {
  pwd -P 2>/dev/null || pwd
}

try_canonicalize() {
  readlink -f "$@" 2>/dev/null || realpath "$@"
}

canonicalize() {
  if ! try_canonicalize "$1" 2>/dev/null; then
    echo "$(cd "$(dirname "$1")" && physical_pwd)/$(basename "$1")"
  fi
}

scriptdir() {
  dirname "$(canonicalize "${BASH_SOURCE:-$1}")"
}

DOBUILDDIR="${DOBUILDDIR:-"$(dirname "$(scriptdir "$0")")"}"
PATH="$DOBUILDDIR/bin:$PATH"

DOBUILD_SHELLCHECKVERSION="${DOBUILD_SHELLCHECKVERSION:-v0.6.0}"
DOBUILD_SHELLCHECKIMAGE="${REGISTRY_PREFIX}koalaman/shellcheck:${DOBUILD_SHELLCHECKVERSION}"

export DOBUILDDIR
export DOBUILD_PROJECTDIR="${DOBUILD_SHELLCHECKPROJECTDIR:-"$PWD"}"
export DOBUILD_HOSTENVFILTER="${DOBUILD_SHELLCHECKHOSTENVFILTER:-^SHELLCHECK_}"

set -- container_run --workdir "$(canonicalize "$DOBUILD_PROJECTDIR")" "$DOBUILD_SHELLCHECKIMAGE" "$@"

exec "$@"