# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit git-r3 linux-info linux-mod-r1

DESCRIPTION="ncpfs kernel module for Linux 4.18+"
HOMEPAGE="
    https://github.com/EnzephaloN/ncpfs-module
    https://github.com/pasis/ipx
"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64"

CONFIG_CHECK="NET"

PATCHES=(
    "${FILESDIR}/ncpfs-module-readd-ipx.patch"
)

NCPFS_REPO_URI="https://github.com/EnzephaloN/ncpfs-module.git"
IPX_REPO_URI="https://github.com/pasis/ipx.git"

pkg_setup() {
    linux-mod-r1_pkg_setup
}

src_unpack() {
    local ncpfs_branch="master"

    if kernel_is gt 4 18 0; then
        ncpfs_branch="kernel_4.19"
    fi
    if kernel_is gt 4 20 0; then
        ncpfs_branch="kernel_4.20"
    fi
    if kernel_is gt 5 2 0; then
        ncpfs_branch="kernel_5.2"
    fi
    if kernel_is gt 5 6 0; then
        ncpfs_branch="kernel_5.6"
    fi
    if kernel_is gt 5 12 0; then
        ncpfs_branch="kernel_5.12"
    fi
    if kernel_is gt 5 15 0; then
        ncpfs_branch="kernel_5.15"
    fi
    if kernel_is gt 5 19 0; then
        ncpfs_branch="kernel_5.19"
    fi
    if kernel_is gt 6 3 0; then
        ncpfs_branch="kernel_6.3"
    fi
    if kernel_is gt 6 5 0; then
        ncpfs_branch="kernel_6.5"
    fi
    if kernel_is gt 6 6 0; then
        ncpfs_branch="kernel_6.6"
    fi
    if kernel_is gt 6 8 0; then
        ncpfs_branch="kernel_6.8"
    fi
    if kernel_is gt 6 12 0; then
        ncpfs_branch="kernel_6.12"
    fi
    if kernel_is gt 6 14 0; then
        ncpfs_branch="kernel_6.14"
    fi
    if kernel_is gt 6 16 0; then
        ncpfs_branch="master"
    fi

    git-r3_fetch "${NCPFS_REPO_URI}" "refs/heads/${ncpfs_branch}" "${PN}-ncpfs" || die
    git-r3_checkout "${NCPFS_REPO_URI}" "${S}" "${PN}-ncpfs" || die

    git-r3_fetch "${IPX_REPO_URI}" "refs/heads/master" "${PN}-ipx" || die
    git-r3_checkout "${IPX_REPO_URI}" "${WORKDIR}/ipx" "${PN}-ipx" || die
}

src_prepare() {
    default

    mkdir -p "${S}/linux" "${S}/net" || die

    cp "${WORKDIR}/ipx/linux/ipx.h" "${S}/linux/ipx.h" || die
    cp "${WORKDIR}/ipx/net/ipx.h" "${S}/net/ipx.h" || die
}

src_compile() {
    local modlist=(
        ncpfs=ncpfs:${S}:${S}:all
    )

    local modargs=(
        KDIR="${KV_OUT_DIR}"
        M="${S}"
    )

    linux-mod-r1_src_compile
}

src_install() {
    linux-mod-r1_src_install
}