#!/bin/bash

# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)

unset _CACHE_PACKAGE_LOCAL _CACHE_PACKAGE_GLOBAL _DEBUG_DEPENDS_LIST _DEBUG_PACKAGE_LIST

. config/options ""
. config/multithread

# Fake the parallel command if GNU parallel is not available - slow, but works.
fake_parallel() {
  while read -r line; do
    json_worker "${line}"
  done
}

PARALLEL_BIN=${TOOLCHAIN}/bin/parallel
  
[ -x ${PARALLEL_BIN} ] || PARALLEL_BIN=parallel
command -v ${PARALLEL_BIN} >/dev/null || PARALLEL_BIN=fake_parallel

# pipefail: return value of a pipeline is the value of the last (rightmost) command to exit with a non-zero status
set -o pipefail

cat ${_CACHE_PACKAGE_GLOBAL} ${_CACHE_PACKAGE_LOCAL} | \
  ${PARALLEL_BIN} --plain --no-notice --max-args 30 --halt now,fail=1 json_worker | \
  ${SCRIPTS}/genbuildplan.py --no-reorder --show-wants --build ${@:-image} --warn-invalid ${GENFLAGS} || \
    die "FAILURE: Unable to generate plan"