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https://github.com/nix-community/home-manager
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nixgl: add module
This module enables wrapping programs which require access to libGL with nixGL on non-NixOS systems.
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@ -1801,6 +1801,18 @@ in {
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itself.
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'';
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}
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{
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time = "2024-10-25T08:18:30+00:00";
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condition = hostPlatform.isLinux;
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message = ''
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A new module is available: 'nixGL'.
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NixGL solve the "OpenGL" problem with nix. The 'nixGL' module provides
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integration of NixGL into Home Manager. See the "GPU on non-NixOS
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systems" section in the Home Manager mantual for more.
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'';
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}
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];
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};
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}
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64
modules/misc/nixgl.nix
Normal file
64
modules/misc/nixgl.nix
Normal file
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@ -0,0 +1,64 @@
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{ config, lib, pkgs, ... }:
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let cfg = config.nixGL;
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in {
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meta.maintainers = [ lib.maintainers.smona ];
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options.nixGL.prefix = lib.mkOption {
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type = lib.types.str;
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default = "";
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example = lib.literalExpression
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''"''${inputs.nixGL.packages.x86_64-linux.nixGLIntel}/bin/nixGLIntel"'';
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description = ''
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The nixGL command that `lib.nixGL.wrap` should wrap packages with.
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This can be used to provide libGL access to applications on non-NixOS systems.
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Some packages are wrapped by default (e.g. kitty, firefox), but you can wrap other packages
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as well, with `(config.lib.nixGL.wrap <package>)`. If this option is empty (the default),
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then `lib.nixGL.wrap` is a no-op.
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'';
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};
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config = {
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lib.nixGL.wrap = # Wrap a single package with the configured nixGL wrapper
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pkg:
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if cfg.prefix == "" then
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pkg
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else
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# Wrap the package's binaries with nixGL, while preserving the rest of
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# the outputs and derivation attributes.
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(pkg.overrideAttrs (old: {
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name = "nixGL-${pkg.name}";
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# Make sure this is false for the wrapper derivation, so nix doesn't expect
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# a new debug output to be produced. We won't be producing any debug info
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# for the original package.
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separateDebugInfo = false;
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buildCommand = ''
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set -eo pipefail
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${
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# Heavily inspired by https://stackoverflow.com/a/68523368/6259505
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pkgs.lib.concatStringsSep "\n" (map (outputName: ''
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echo "Copying output ${outputName}"
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set -x
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cp -rs --no-preserve=mode "${
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pkg.${outputName}
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}" "''$${outputName}"
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set +x
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'') (old.outputs or [ "out" ]))}
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rm -rf $out/bin/*
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shopt -s nullglob # Prevent loop from running if no files
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for file in ${pkg.out}/bin/*; do
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echo "#!${pkgs.bash}/bin/bash" > "$out/bin/$(basename $file)"
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echo "exec -a \"\$0\" ${cfg.prefix} $file \"\$@\"" >> "$out/bin/$(basename $file)"
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chmod +x "$out/bin/$(basename $file)"
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done
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shopt -u nullglob # Revert nullglob back to its normal default state
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'';
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}));
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};
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}
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@ -31,6 +31,7 @@ let
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./misc/gtk.nix
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./misc/lib.nix
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./misc/news.nix
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./misc/nixgl.nix
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./misc/numlock.nix
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./misc/pam.nix
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./misc/qt.nix
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