_extramodules=extramodules-6.12-next
_kver=$(cat /lib/modules/${_extramodules}/version)

pkgname=nvidia-470xx-next
pkgver=470.256.02
pkgrel=26
pkgdesc="NVIDIA drivers for linux."
arch=('x86_64')
url="http://www.nvidia.com/"
depends=('linux-next>=6.12' 'linux-next<6.13.0' "nvidia-470xx-utils=${pkgver}")
makedepends=('linux-next-headers')
conflicts=('nvidia' 'nvidia-390xx')
backup=('etc/X11/xorg.conf.d/20-nvidia.conf')
install=nvidia.install
license=('custom')
options=('!strip')

_pkg="NVIDIA-Linux-x86_64-${pkgver}"

source=("http://us.download.nvidia.com/XFree86/Linux-x86_64/${pkgver}/${_pkg}.run"
        'linux-6.10.patch'
        'linux-6.12.patch'
        'gcc14.patch')
md5sums=('57f54d5f6ddef5417215645aabbf9b9c'
         '77df0c9cbc081a979a5207dc740616cd'
         '96b666ed713940189dbdb99a69d63066'
         'ef4f76758ebd4559d3c6c7e50797d0fd')

build() {
    cd ${srcdir}
    sh ${_pkg}.run --extract-only

    cd ${_pkg}/kernel
    # patches from https://gist.github.com/joanbm?direction=desc&sort=updated
    patch -p1 -i ${srcdir}/linux-6.10.patch
    patch -p1 -i ${srcdir}/linux-6.12.patch
    patch -p1 -i ${srcdir}/gcc14.patch

    cd ${srcdir}/${_pkg}/kernel
    make SYSSRC=/lib/modules/${_kver}/build module
}

package() {
    install -D -m644 ${srcdir}/${_pkg}/kernel/nvidia.ko ${pkgdir}/lib/modules/${_extramodules}/nvidia.ko
    install -D -m644 ${srcdir}/${_pkg}/kernel/nvidia-modeset.ko ${pkgdir}/lib/modules/${_extramodules}/nvidia-modeset.ko
    install -D -m644 ${srcdir}/${_pkg}/kernel/nvidia-uvm.ko ${pkgdir}/lib/modules/${_extramodules}/nvidia-uvm.ko
    install -D -m644 ${srcdir}/${_pkg}/kernel/nvidia-drm.ko ${pkgdir}/lib/modules/${_extramodules}/nvidia-drm.ko

    # sign the module
    _file=/usr/src/linux-${_kver}/scripts/sign-file
    _pem=/$HOME/signing_key.pem
    _key=/$HOME/signing_key.x509

    ${_file} sha256 ${_pem} ${_key} ${pkgdir}/lib/modules/${_extramodules}/nvidia.ko
    ${_file} sha256 ${_pem} ${_key} ${pkgdir}/lib/modules/${_extramodules}/nvidia-modeset.ko
    ${_file} sha256 ${_pem} ${_key} ${pkgdir}/lib/modules/${_extramodules}/nvidia-uvm.ko
    ${_file} sha256 ${_pem} ${_key} ${pkgdir}/lib/modules/${_extramodules}/nvidia-drm.ko

    install -d -m755 ${pkgdir}/etc/modprobe.d
    echo "blacklist nouveau" >> ${pkgdir}/etc/modprobe.d/nouveau_blacklist.conf

    sed -i -e "s/EXTRAMODULES='.*'/EXTRAMODULES='${_extramodules}'/" ${startdir}/nvidia.install
    gzip ${pkgdir}/lib/modules/${_extramodules}/*.ko
}