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

pkgname=nvidia-390xx-next
pkgver=390.157
pkgrel=126
pkgdesc="NVIDIA drivers for linux-next, 390xx legacy version."
arch=('x86_64')
url="https://www.nvidia.com/page/home.html"
depends=('linux-next>=6.12' 'linux-next<6.13.0' "nvidia-390xx-utils=${pkgver}")
makedepends=('linux-next-headers')
options=('!strip')
conflicts=('nvidia-next' 'nvidia-470xx-next')
install=nvidia-next.install
license=('custom')

_pkg="NVIDIA-Linux-x86_64-${pkgver}-no-compat32"

source=("http://us.download.nvidia.com/XFree86/Linux-x86_64/${pkgver}/${_pkg}.run"
        'linux-6.2.patch'
        'linux-6.3.patch'
        'linux-6.4.patch'
        'linux-6.5.patch'
        'linux-6.6.patch'
        'linux-6.8.patch'
        'linux-6.10.patch'
        'linux-6.12.patch'
        'gcc14.patch')
md5sums=('405c2220d5d3711e9f298c871e8d66ee'
         '334d82cdc82c8172e9c21188c872523e'
         'd54c6a018acf6c147847d2d1511bed8a'
         'cd698c9fdb8fe9a1b776b1dcdac5064c'
         '0ea696144a7199536089664225775b47'
         '542666e201625eb18cb26c830373ed2e'
         '23be586e1177bf0fb3aa8236ad42f008'
         '8da97da4a024e23c3b0e8f6bd2c09579'
         '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-6.2.patch
    patch -p1 -i ${srcdir}/linux-6.3.patch
    patch -p1 -i ${srcdir}/linux-6.4.patch
    patch -p1 -i ${srcdir}/linux-6.5.patch
    patch -p1 -i ${srcdir}/linux-6.6.patch
    patch -p1 -i ${srcdir}/linux-6.8.patch
    patch -p1 -i ${srcdir}/linux-6.10.patch
    patch -p1 -i ${srcdir}/linux-6.12.patch
    patch -p1 -i ${srcdir}/gcc14.patch
    # linux 4.20 needed
    #sed -i -e 's|ipmi_user_t         p_user;|struct ipmi_user    *p_user;|g' kernel/nvidia/os-interface.c
    
    export IGNORE_CC_MISMATCH=yes

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

package() {
    cd ${srcdir} 
    
    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
    
    gzip ${pkgdir}/lib/modules/${_extramodules}/*.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-next.install
}