# Copyright 2026 Gurov <thuggerthugger1@duck.com>
# Distributed under the terms of the GNU General Public License v2

require systemd-service [ systemd_files=[ usr/lib/systemd/system/pci-latency.service ] ] \
    udev-rules [ udev_files=[ usr/lib/udev/rules.d/{20-audio-pm,40-hpet-permissions,50-sata,60-ioschedulers,69-hdparm,71-nvidia,99-cpu-dma-latency}.rules ] ]

SUMMARY="Configuration files and tweaks from CachyOS"
HOMEPAGE="https://github.com/CachyOS/CachyOS-Settings"
DOWNLOADS="${HOMEPAGE}/archive/refs/tags/${PV}.tar.gz -> ${PNV}.tar.gz"

LICENCES="GPL-3"
SLOT="0"
PLATFORMS="~amd64"
MYOPTIONS="zram"

DEPENDENCIES="
    run:
        app-shells/bash
        sys-apps/hdparm
        sys-apps/pciutils
        sys-apps/systemd
        sys-process/procps
        zram? (
            app-arch/zstd
            sys-apps/zram-generator
        )
"

WORK="${WORKBASE}/CachyOS-Settings-${PV}"

src_prepare() {
    edo sed -i "s@ExecStart=/usr/bin/pci-latency@ExecStart=/usr/$(exhost --target)/bin/pci-latency@" \
        usr/lib/systemd/system/pci-latency.service
}

src_compile() {
    :
}

src_install() {
    insinto /etc/security/limits.d
    doins etc/security/limits.d/20-audio.conf

    exeinto /usr/$(exhost --target)/bin
    doexe usr/bin/{dlss-swapper,dlss-swapper-dll,pci-latency,zink-run,game-performance,kerver}

    insinto /usr/$(exhost --target)/lib/modprobe.d
    doins usr/lib/modprobe.d/{amdgpu,blacklist,nvidia}.conf

    insinto /usr/$(exhost --target)/lib/modules-load.d
    doins usr/lib/modules-load.d/ntsync.conf

    insinto /usr/$(exhost --target)/lib/sysctl.d
    doins usr/lib/sysctl.d/70-cachyos-settings.conf

    local systemd_dir="/usr/$(exhost --target)/lib/systemd"
    insinto "${systemd_dir}/journald.conf.d"
    doins usr/lib/systemd/journald.conf.d/00-journal-size.conf

    insinto "${systemd_dir}/system.conf.d"
    doins usr/lib/systemd/system.conf.d/{00-timeout,10-limits}.conf

    install_systemd_files

    insinto "${SYSTEMDSYSTEMUNITDIR}"
    doins -r usr/lib/systemd/system/{rtkit-daemon,user@}.service.d
    doins -r usr/lib/systemd/system/{session.slice,system.slice,user-.slice}.d

    insinto "${systemd_dir}/user.conf.d"
    doins usr/lib/systemd/user.conf.d/{00-timeout,10-limits}.conf

    if option zram; then
        insinto "${systemd_dir}"
        doins usr/lib/systemd/zram-generator.conf

        insinto "${UDEVRULESDIR}"
        doins usr/lib/udev/rules.d/30-zram.rules
    fi

    insinto "${SYSTEMDTMPFILESDIR}"
    doins usr/lib/tmpfiles.d/{coredump,thp-shrinker,thp}.conf

    install_udev_files

    insinto /usr/share/X11/xorg.conf.d
    doins usr/share/X11/xorg.conf.d/20-touchpad.conf
}