#!/bin/bash

set -e
set -o xtrace

if [[ "$DEBIAN_ARCH" = "arm64" ]]; then
    GCC_ARCH="aarch64-linux-gnu"
    KERNEL_ARCH="arm64"
    DEFCONFIG="arch/arm64/configs/defconfig"
    DEVICE_TREES="arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dtb arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dtb arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dtb arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dtb"
    KERNEL_IMAGE_NAME="Image"
else
    GCC_ARCH="arm-linux-gnueabihf"
    KERNEL_ARCH="arm"
    DEFCONFIG="arch/arm/configs/multi_v7_defconfig"
    DEVICE_TREES="arch/arm/boot/dts/rk3288-veyron-jaq.dtb arch/arm/boot/dts/sun8i-h3-libretech-all-h3-cc.dtb"
    KERNEL_IMAGE_NAME="zImage"
fi

############### Build dEQP runner
if [[ "$DEBIAN_ARCH" = "armhf" ]]; then
    EXTRA_MESON_ARGS="--cross-file /cross_file-armhf.txt"
fi
. .gitlab-ci/build-cts-runner.sh
mkdir -p /lava-files/rootfs-${DEBIAN_ARCH}/usr/bin
mv /usr/local/bin/deqp-runner /lava-files/rootfs-${DEBIAN_ARCH}/usr/bin/.


############### Build dEQP
EXTRA_CMAKE_ARGS="-DCMAKE_C_COMPILER=${GCC_ARCH}-gcc -DCMAKE_CXX_COMPILER=${GCC_ARCH}-g++"
STRIP_CMD="${GCC_ARCH}-strip"
. .gitlab-ci/build-deqp-gl.sh
mv /deqp /lava-files/rootfs-${DEBIAN_ARCH}/.


############### Cross-build kernel
KERNEL_URL="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/snapshot/linux-5.5.tar.gz"

if [[ "$DEBIAN_ARCH" = "armhf" ]]; then
    export ARCH=${KERNEL_ARCH}
    export CROSS_COMPILE="${GCC_ARCH}-"
fi

mkdir -p kernel
wget -qO- ${KERNEL_URL} | tar -xz --strip-components=1 -C kernel
pushd kernel
./scripts/kconfig/merge_config.sh ${DEFCONFIG} ../.gitlab-ci/${KERNEL_ARCH}.config
make -j12 ${KERNEL_IMAGE_NAME} dtbs
cp arch/${KERNEL_ARCH}/boot/${KERNEL_IMAGE_NAME} /lava-files/.
cp ${DEVICE_TREES} /lava-files/.
popd
rm -rf kernel


############### Create rootfs
set +e
debootstrap --variant=minbase --arch=${DEBIAN_ARCH} testing /lava-files/rootfs-${DEBIAN_ARCH}/ http://deb.debian.org/debian
cat /lava-files/rootfs-${DEBIAN_ARCH}/debootstrap/debootstrap.log
set -e

cp .gitlab-ci/create-rootfs.sh /lava-files/rootfs-${DEBIAN_ARCH}/.
chroot /lava-files/rootfs-${DEBIAN_ARCH} sh /create-rootfs.sh
rm /lava-files/rootfs-${DEBIAN_ARCH}/create-rootfs.sh