#!/bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2023 JELOS (https://github.com/JustEnoughLinuxOS)

# Based on work by ToKe79 and Shanti Gilbert

OPTIONS="distributions/JELOS/options"
PACKAGES=("packages/virtual/emulators/package.mk" \
          "packages/virtual/es-themes/package.mk" \
          "packages/virtual/gamesupport/package.mk" )
BLOCKLIST="config/blocklist"

update_packages() {
  for p in $PACKAGES_ALL
  do
    PKG_PATH="./packages"
    echo "Operating on ${p}"
    f=$(find ${PKG_PATH} -type d -name "${p}")
    if [ "$(grep ${p} ${BLOCKLIST})" ]
    then
      echo "Skipping ${p}"
      continue
    fi
    f="${f}/package.mk"
    echo "${p}: ${f}"
    if [ ! "${p}" ] && [ ! "${f}" ]
    then
      echo "Package not found, skipping."
      continue
    fi
    source config/options "${p}"
    source "${f}"
    PKG_SITE=$(echo ${PKG_URL} | sed 's/\/archive.*//g')
    [ -n "${PKG_GIT_BRANCH}" ] && PKG_GIT_CLONE_BRANCH="${PKG_GIT_BRANCH}"
    [ -n "${PKG_GIT_CLONE_BRANCH}" ] && GIT_HEAD="heads/${PKG_GIT_CLONE_BRANCH}" || GIT_HEAD="HEAD"
     UPS_VERSION=`git ls-remote ${PKG_SITE} | grep ${GIT_HEAD}$ | awk '{ print substr($1,1,40) }'`
    if [ "${UPS_VERSION}" == "${PKG_VERSION}" ]; then
      echo "${PKG_NAME} is up to date (${UPS_VERSION})"
    else
      if [ "${UPS_VERSION}" ]; then
        echo "${PKG_NAME} updated from ${PKG_VERSION} to ${UPS_VERSION}"
        sed -i "s/PKG_VERSION=\"${PKG_VERSION}/PKG_VERSION=\"${UPS_VERSION}/" $f
      else
        echo "Could not find version, not updating ${PKG_NAME}."
      fi
    fi

    if [[ ! "${PKG_URL}" =~ git$ ]]
    then
     if grep -q PKG_SHA256 "${f}"; then
       echo "PKG_SHA256 exists on ${f}, clearing"
       sed -i "/PKG_SHA256=.*\$/d" ${f}
     fi
     source "${f}"
     ./scripts/get "${PKG_NAME}" >/dev/null
     if [ "${p}" != "linux" ]; then
       SHA=$(cat ./${SOURCES}/${PKG_NAME}/${PKG_NAME}-${UPS_VERSION}.*.sha256 2>/dev/null ||:)
     else
       SHA=$(cat ./${SOURCES}/${PKG_NAME}/linux-$LINUX-${UPS_VERSION}.tar.gz.sha256 2>/dev/null ||:)
     fi
     sed -e "/PKG_VERSION=\"${UPS_VERSION}\"/{ N; s/PKG_VERSION=\"${UPS_VERSION}\".*PKG_SHA256=\"\"/PKG_VERSION=\"${UPS_VERSION}\"\nPKG_SHA256=\"${SHA}\"/;}" -i ${f}
   else
     sed "/^PKG_SHA256=/d" -i ${f}
   fi
  done
}


source "${OPTIONS}"

if [ ! "${1}" ]
then
  for package in "${PACKAGES[@]}"
  do
    source "${package}"
    PACKAGES_ALL=" ${PKG_DEPENDS_TARGET}"
    update_packages
  done
else
  PACKAGES_ALL="$*"
  update_packages
fi