#!/bin/bash

# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
# Copyright (C) 2016-2018 Team LibreELEC (https://libreelec.tv)
# Copyright (C) 2018-present Team CoreELEC (https://coreelec.org)

unset _CACHE_PACKAGE_LOCAL _CACHE_PACKAGE_GLOBAL _DEBUG_DEPENDS_LIST _DEBUG_PACKAGE_LIST

. config/options ""
. config/multithread
. config/show_config

show_config

${SCRIPTS}/checkdeps

# Setup both toolchain cmake configs to avoid potentially racy behaviour later.
# Use a fork for host to isolate any variable modifications.
( setup_toolchain host )
setup_toolchain target

function do_mkimage() {
  # Variables used in mkimage script must be passed
  env \
    ROOT="${ROOT}" \
    SCRIPTS="${SCRIPTS}" \
    TOOLCHAIN="${TOOLCHAIN}" \
    PROJECT_DIR="${PROJECT_DIR}" \
    PROJECT="${PROJECT}" \
    DEVICE="${DEVICE}" \
    DISTRO="${DISTRO}" \
    TARGET_IMG="${TARGET_IMG}" \
    BUILD_NAME="${IMAGE_NAME}" \
    IMAGE_NAME="${1:-${IMAGE_NAME}}" \
    BOOTLOADER="${BOOTLOADER}" \
    KERNEL_NAME="${KERNEL_NAME}" \
    TARGET_KERNEL_ARCH="${TARGET_KERNEL_ARCH}" \
    RELEASE_DIR="${RELEASE_DIR}" \
    UUID_SYSTEM="${UUID_SYSTEM}" \
    UUID_STORAGE="${UUID_STORAGE}" \
    DISTRO_BOOTLABEL="${DISTRO_BOOTLABEL}" \
    DISTRO_DISKLABEL="${DISTRO_DISKLABEL}" \
    UBOOT_SYSTEM="${UBOOT_SYSTEM}" \
    UBOOT_VERSION="${UBOOT_VERSION}" \
    EXTRA_CMDLINE="${EXTRA_CMDLINE}" \
    SYSTEM_SIZE="${SYSTEM_SIZE}" \
    SYSTEM_PART_START="${SYSTEM_PART_START}" \
    OVA_SIZE="${OVA_SIZE}" \
    SUBDEVICE="${SUBDEVICE}" \
    ${SCRIPTS}/mkimage
}

if [ -n "${CUSTOM_GIT_HASH}" ]; then
  GIT_HASH="${CUSTOM_GIT_HASH}"
else
  GIT_HASH=$(git rev-parse HEAD)
fi

if [ "${OS_VERSION}" = "devel" ]; then
  GIT_ABBREV=${GIT_HASH:0:7}
  DEVEL_VERSION=${OS_VERSION}
  case "${BUILD_PERIODIC}" in
    nightly) OS_VERSION=nightly-$(date +%Y%m%d)-${GIT_ABBREV};;
    daily)   OS_VERSION=daily-$(date +%Y%j)-${GIT_ABBREV};;
    weekly)  OS_VERSION=weekly-$(date +%G%V)-${GIT_ABBREV};;
    monthly) OS_VERSION=monthly-$(date +%Y%m)-${GIT_ABBREV};;
    *)       OS_VERSION=devel-$(date +%s);;
  esac
fi

# Get origin url, fix git:// and git@github.com: urls if necessary
ORIGIN_URL="$(git remote -v | awk '$1 == "origin" { print $2 }' | head -1 | sed 's#\.git$##;s#^git:#https:#;s#^git@github\.com:#https://github.com/#')"

if [ -n "${CUSTOM_VERSION}" ]; then
  export OS_VERSION="${CUSTOM_VERSION}"
fi

LIBREELEC_ARCH="${DEVICE:-${PROJECT}}.${TARGET_ARCH}"
TARGET_VERSION="${LIBREELEC_ARCH}-${OS_VERSION}"

if [ -n "${CUSTOM_IMAGE_NAME}" ]; then
  IMAGE_NAME="${CUSTOM_IMAGE_NAME}"
else
  if [ "${DEVEL_VERSION}" = "devel" ]; then
    IMAGE_NAME="${DISTRONAME}-${LIBREELEC_ARCH}-${OS_VERSION}-${OS_VERSION}"
  else
    IMAGE_NAME="${DISTRONAME}-${TARGET_VERSION}"
  fi

  if [ -n "${UBOOT_SYSTEM}" ] && [ "${UBOOT_SYSTEM}" != "${DEVICE:-${PROJECT}}" ]; then
    IMAGE_NAME="${IMAGE_NAME}"
  fi
fi

if [ -n "${IMAGE_SUFFIX}" ]; then
  IMAGE_NAME="${IMAGE_NAME}-${IMAGE_SUFFIX}"
fi

echo "${IMAGE_NAME}" > ${BUILD}/BUILD_FILENAME

# Setup fakeroot
rm -rf ${FAKEROOT_SCRIPT}   # remove ${FAKEROOT_SCRIPT} if it exist
touch ${FAKEROOT_SCRIPT}    # create an empty ${FAKEROOT_SCRIPT}
chmod +x ${FAKEROOT_SCRIPT} # make ${FAKEROOT_SCRIPT} executable
echo "chown -R 0:0 ${INSTALL}" >> ${FAKEROOT_SCRIPT}

# Clean old install dirs
rm -rf ${INSTALL}
rm -rf ${STAMPS_INSTALL}
mkdir -p ${INSTALL}

# Create base layout of LibreELEC read-only file system
for directory in etc dev proc run sys tmp usr var flash storage; do
  mkdir -p ${INSTALL}/${directory}
done

MTADDONBUILD=no start_multithread_build arm32 || die "Parallel build failure - see log for details. Time of failure: $(date)"
echo "Successful build!  Building compatibility root..." >&2
exit 0