#!/bin/bash

################################################################################
#      This file is part of LibreELEC - https://libreelec.tv
#      Copyright (C) 2017-present Team LibreELEC
#
#  LibreELEC is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 2 of the License, or
#  (at your option) any later version.
#
#  LibreELEC is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
################################################################################

. config/options $1

if [ -z "$1" ]; then
  for i in `find packages/ -type f -name package.mk`; do
    GET_PKG=`grep ^PKG_NAME= $i | sed -e "s,\",,g" -e "s,PKG_NAME=,,"`
    $SCRIPTS/get $GET_PKG
  done
fi

# Avoid concurrent processing of the same package
function lock_source_dir() {
  local _isblocked=N
  exec 99<$SOURCES/$1
  while ! flock --nonblock --exclusive 99; do
    [ ${_isblocked} = N ] && { echo "Project/Device ${DEVICE:-${PROJECT}} waiting, to avoid concurrent processing of ${1}..."; _isblocked=Y; }
    sleep 1
  done
}

if [ -n "$PKG_URL" -a -n "$PKG_SOURCE_NAME" ]; then
  mkdir -p $SOURCES/$1

  PACKAGE="$SOURCES/$1/$PKG_SOURCE_NAME"

  STAMP_URL="$PACKAGE.url"
  STAMP_SHA="$PACKAGE.sha256"

  # determine get handler based on protocol and/or filename
  case "${PKG_URL}" in
    git://*|*.git)
      get_handler="git";;
    file://*)
      get_handler="file";;
    *)
      get_handler="archive";;
  esac

  if ! listcontains "${GET_HANDLER_SUPPORT}" "${get_handler}"; then
    echo "ERROR: get handler \"${get_handler}\" is not supported, unable to get package $1 - aborting!"
    exit 1
  else
    get_handler="${SCRIPTS}/get_${get_handler}"
    if [ ! -f ${get_handler} ]; then
      echo "ERROR: get handler \"${get_handler}\" does not exist, unable to get package $1 - aborting!"
      exit 1
    else
      source ${get_handler}
    fi
  fi
fi

exit 0