#!/bin/bash -e

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

export NOONEXIT=yes

cd "$(readlink -f "$(dirname "$0")")/.."

export _CACHE_PACKAGE_LOCAL=none _CACHE_PACKAGE_GLOBAL=none _DEBUG_DEPENDS_LIST=none DEFAULT_PYTHON_VERSION=none

if [ -n "${PROJECT}" -a "$1" != "auto" ]; then
  # loads project config and sets THREAD_CONTROL
  . config/options ""
else
  BUILD_PREFIX=$(. config/options "" && echo ${BUILD_ROOT}/${BUILD_BASE})
fi

_find_latest_tcdir() {
  local IFS=$'\n'

  if [ -n "${THREAD_CONTROL}" ]; then
    echo "${THREAD_CONTROL}"
  else
    for dir in $(ls -1td ${BUILD_PREFIX}.*/.threads 2>/dev/null); do
      [ -f "${dir}/parallel.pid" ] && echo "${dir}" && break
    done
  fi
  return 0
}

while [ : ]; do
  echo "Waiting for build to start..."

  while [ : ]; do
    tcdir="$(_find_latest_tcdir)"

    if [ -n "${tcdir}" ]; then
      pid="$(cat "${tcdir}/parallel.pid" 2>/dev/null || true)"
      [ -n "${pid}" ] && ps -p ${pid} &>/dev/null && break
    fi

    sleep 1.0
  done

  if [ "${THREADCOUNT}" = "0" ]; then
    tail -Fn+0 --pid=${pid} "${tcdir}/status" 2>/dev/null | grep -vE "STALLED|IDLE"
  else
    tail -Fn+0 --pid=${pid} "${tcdir}/status" 2>/dev/null
  fi

  echo
done
