Add Nix build infrastructure
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{ pkgs ? import <nixpkgs> { }, lib ? pkgs.lib }:
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pkgs.stdenvNoCC.mkDerivation {
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pname = "nix-gl-host";
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version = "0.1";
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# TODO: filter that out
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src = lib.cleanSource ./.;
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nativeBuildInputs = [
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pkgs.nixpkgs-fmt
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pkgs.python3
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pkgs.python3Packages.black
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pkgs.nixpkgs-fmt
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];
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postFixup = ''
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substituteInPlace $out/bin/nixglhost \
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--replace "@patchelf-bin@" "${pkgs.patchelf}/bin/patchelf" \
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--replace "IN_NIX_STORE = False" "IN_NIX_STORE = True"
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patchShebangs $out/bin/nixglhost
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'';
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postCheck = ''
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black --check $out/bin/nixglhost
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nixpkgs-fmt --check *.nix
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'';
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installPhase = ''
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install -D -m0755 nixglhost-wrapper.py $out/bin/nixglhost
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'';
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}
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{
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"nodes": {
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"nixpkgs": {
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"locked": {
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"lastModified": 1669045945,
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"narHash": "sha256-BQxzijvZpLQ7R+KuQzCPcFgIS6OK0Onb29pYFe2pzJo=",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "6b5019a48f876f3288efc626fa8b70ad0c64eb46",
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"type": "github"
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},
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"original": {
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"owner": "NixOS",
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"ref": "nixpkgs-unstable",
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"repo": "nixpkgs",
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"type": "github"
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}
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},
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"root": {
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"inputs": {
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"nixpkgs": "nixpkgs"
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}
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}
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},
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"root": "root",
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"version": 7
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}
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{
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description = "Gluing native OpenGL drivers";
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inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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outputs =
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{ self
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, nixpkgs
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}:
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let
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systems = [
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"x86_64-linux"
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"aarch64-linux"
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];
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forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
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in
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{
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defaultPackage = forAllSystems (system:
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import ./default.nix {
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pkgs = import nixpkgs { inherit system; };
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});
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devShell = forAllSystems (system:
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nixpkgs.legacyPackages.${system}.callPackage ./shell.nix { }
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);
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formatter = forAllSystems (system:
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nixpkgs.legacyPackages.${system}.nixpkgs-fmt
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);
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};
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}
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#!/usr/bin/env python3
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import argparse
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import os
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import sys
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IN_NIX_STORE = False
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if IN_NIX_STORE:
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# The following paths are meant to be substituted by Nix at build
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# time.
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PATCHELF_PATH = "@patchelf-bin@"
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else:
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PATCHELF_PATH = "patchelf"
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def info_debug(string):
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"""Prints STR to STDERR if the DEBUG environment variable is set"""
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if "DEBUG" in os.environ:
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print(f"[+] {string}", file=sys.stderr)
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def patch_dso(dsoPath, ):
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raise "TODO patch_dso"
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def find_vendor_dso():
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raise "TODO find_vendor_dso"
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def exec_binary(args):
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raise "TODO exec_binary"
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def main(args):
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home = os.path.expanduser("~")
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xdg_cache_home = os.environ.get("XDG_CACHE_HOME", os.path.join(HOME, ".cache"))
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os.exit(0)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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prog="nixglhost-wrapper",
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description="Wrapper used to massage the host GL drivers to work with your nix-built binary.",
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)
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parser.add_argument(
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"GL_VENDOR_PATH",
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type=str,
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help="a path pointing to the directory containing your GL driver shared libraries",
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)
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parser.add_argument(
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"NIX_BINARY_AND_ARGS",
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type=str,
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nargs="+",
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help="Nix-built binary you'd like to wrap and its args. For instance: nixglhost-wrapper /usr/lib/nvidia opengl-exe --with --some --args",
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)
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args = parser.parse_args()
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main()
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