NullBite
00eb9d49b3
This makes it so flake.lock files produced by `nix flake lock` don't reference my personal Nix store, but upstream Nixpkgs
66 lines
2.1 KiB
Nix
66 lines
2.1 KiB
Nix
{ pkgs, lib, config, options, inputs, ... }:
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let
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cfg = config.nixfiles.common.nix;
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in
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{
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options.nixfiles.common.nix = {
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enable = lib.mkEnableOption "common Nix configuration";
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registerNixpkgs = lib.mkOption {
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type = lib.types.bool;
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default = cfg.enable;
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example = "true";
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description = "Whether to register the Nixpkgs revision used by Nixfiles to the system's flake registry and make it tye system's <nixpkgs> channel";
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};
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/* # TODO
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register = lib.mkOption {
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type = lib.types.bool;
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default = cfg.enable;
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example = "true";
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description = "Whether to register Nixfiles to the system's flake registry";
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};
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*/
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};
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config = lib.mkMerge [
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( lib.mkIf cfg.registerNixpkgs {
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# this makes modern nix tools use the system's version of nixpkgs
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nix.registry = {
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nixpkgs = {
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exact = true;
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from = {
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id = "nixpkgs";
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type = "indirect";
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};
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# used instead of `flake` option so produced flake.lock files are
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# portable
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to = {
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type = "github";
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owner = "NixOS";
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repo = "nixpkgs";
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rev = "${inputs.nixpkgs.rev}";
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};
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};
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};
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# this makes comma and legacy nix utils use the flake nixpkgs for ABI
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# compatibility becasue once `, vkcube` couldn't find the correct opengl
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# driver or something (also it reduces the download size of temporary shell
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# closures)
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nix.nixPath = [ "nixpkgs=${inputs.nixpkgs}" ] ++ options.nix.nixPath.default;
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})
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( lib.mkIf cfg.enable {
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# direnv is a tool to automatically load shell environments upon entering
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# a directory. nix-direnv has an extensionn to keep nix shells in the
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# system's gcroots so shells can be used after a gc without rebuilding.
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programs.direnv.enable = lib.mkDefault true;
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# fallback to building locally if binary cache fails (home-manager should be
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# able to handle simple rebuilds offline)
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nix.settings.fallback = lib.mkDefault true;
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})
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];
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}
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