46 lines
1.1 KiB
Nix
46 lines
1.1 KiB
Nix
{ stdenv, fetchurl, kernelDev }:
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let
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baseName = "bbswitch";
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version = "0.7";
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name = "${baseName}-${version}-${kernelDev.version}";
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in
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stdenv.mkDerivation {
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inherit name;
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src = fetchurl {
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url = "https://github.com/Bumblebee-Project/${baseName}/archive/v${version}.tar.gz";
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sha256 = "0na6gfnvmp5fjbm430ms342hmrsbr6cf78n6hldqb8js2ry3f8dw";
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};
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preBuild = ''
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substituteInPlace Makefile \
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--replace "\$(shell uname -r)" "${kernelDev.modDirVersion}" \
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--replace "/lib/modules" "${kernelDev}/lib/modules"
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'';
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installPhase = ''
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ensureDir $out/lib/modules/${kernelDev.modDirVersion}/misc
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cp bbswitch.ko $out/lib/modules/${kernelDev.modDirVersion}/misc
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ensureDir $out/bin
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tee $out/bin/discrete_vga_poweroff << EOF
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#!/bin/sh
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echo -n OFF > /proc/acpi/bbswitch
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EOF
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tee $out/bin/discrete_vga_poweron << EOF
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#!/bin/sh
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echo -n ON > /proc/acpi/bbswitch
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EOF
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chmod +x $out/bin/discrete_vga_poweroff $out/bin/discrete_vga_poweron
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'';
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meta = {
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platforms = stdenv.lib.platforms.linux;
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description = "A module for powering off hybrid GPUs";
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};
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}
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