forked from lix-project/nixos-module
121 lines
4.5 KiB
Nix
121 lines
4.5 KiB
Nix
{ lix, versionSuffix ? "" }:
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final: prev:
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let
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boehmgc-patched = ((final.boehmgc.override {
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enableLargeConfig = true;
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}).overrideAttrs (o: {
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# cherrypick: boehmgc: disable tests on aarch64-linux
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# https://github.com/NixOS/nixpkgs/pull/309418
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doCheck = !((final.stdenv.isDarwin && final.stdenv.isx86_64) || (final.stdenv.isLinux && final.stdenv.isAarch64));
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patches = (o.patches or [ ]) ++ [
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# for clown reasons this version is newer than the one in lix, we should
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# fix this and update our nixpkgs pin
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(prev.path + "/pkgs/tools/package-management/nix/patches/boehmgc-coroutine-sp-fallback.patch")
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] ++ final.lib.optionals (final.lib.versionOlder o.version "8.2.6") [
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# https://github.com/ivmai/bdwgc/pull/586
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(builtins.path { path = lix + "/boehmgc-traceable_allocator-public.diff"; name = "boehmgc-traceable_allocator-public.patch"; })
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];
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})
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);
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lixFunctionArgs = builtins.functionArgs (import (lix + "/package.nix"));
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# fix up build-release-notes being required in older versions of Lix.
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lixPackageBuildReleaseNotes =
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if lixFunctionArgs.build-release-notes or true
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then { }
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else { build-release-notes = null; };
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# This is kind of scary to not override the nix version to pretend to be
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# 2.18 since nixpkgs can introduce new breakage in its Nix unstable CLI
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# usage.
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# https://github.com/nixos/nixpkgs/blob/6afb255d976f85f3359e4929abd6f5149c323a02/nixos/modules/config/nix.nix#L121
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lixPkg = final.callPackage (lix + "/package.nix") ({
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versionSuffix = "-lix${versionSuffix}";
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boehmgc-nix = boehmgc-patched;
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} // lixPackageBuildReleaseNotes);
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# These packages depend on Nix features that Lix does not support
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overridelist_2_18 = [
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"attic-client"
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"devenv"
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"nix-du"
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"nix-init"
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"nix-prefetch-git"
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"nixos-option"
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"nurl"
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"prefetch-yarn-deps" # force these onto upstream so we are not regularly rebuilding electron
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];
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override_2_18 = prev.lib.genAttrs overridelist_2_18 (
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name: prev.${name}.override {
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nix = final.nixVersions.nix_2_18_upstream;
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});
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inherit (prev) lib;
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prefetch-npm-deps-args = lib.functionArgs prev.prefetch-npm-deps.override;
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warning = ''
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warning: You have the lix overlay included into a nixpkgs import twice,
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perhaps due to the NixOS module being included twice, or because of using
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pkgs.nixos and also including it in imports, or perhaps some unknown
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machinations of a complicated flake library.
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This is completely harmless since we have no-op'd the second one if you are
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seeing this message, but it would be a small style improvement to fix
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it :)
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P.S. If you had some hack to fix nixos-option build failures in your
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configuration, that was caused by including an older version of the lix
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overlay twice, which is now mitigated if you see this message, so you can
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delete that.
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P.P.S. This Lix has super catgirl powers.
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'';
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maybeWarnDuplicate = x: if final.lix-overlay-present > 1 then builtins.trace warning x else x;
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overlay = override_2_18 // {
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lix-overlay-present = 1;
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# used for things that one wouldn't necessarily want to update, but we
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# nevertheless shove it in the overlay and fixed-point it in case one *does*
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# want to do that.
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lix-sources = import ./pins.nix;
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nixVersions = prev.nixVersions // rec {
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# FIXME: do something less scuffed
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nix_2_18 = maybeWarnDuplicate lixPkg;
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stable = nix_2_18;
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nix_2_18_upstream = prev.nixVersions.nix_2_18;
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};
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nix-eval-jobs = (prev.nix-eval-jobs.override {
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# lix
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nix = final.nixVersions.nix_2_18;
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}).overrideAttrs (old:
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let src = final.lix-sources.nix-eval-jobs;
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in {
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version = "2.90.0-lix-${builtins.substring 0 7 src.rev}";
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# FIXME: should this be patches instead?
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inherit src;
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mesonBuildType = "debugoptimized";
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ninjaFlags = old.ninjaFlags or [ ] ++ [ "-v" ];
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}
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);
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# support both having and missing https://github.com/NixOS/nixpkgs/pull/304913
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prefetch-npm-deps =
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if (prefetch-npm-deps-args ? nix) || (prefetch-npm-deps-args == {})
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then prev.prefetch-npm-deps.override {
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nix = final.nixVersions.nix_2_18_upstream;
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}
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else prev.prefetch-npm-deps;
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nix-doc = prev.callPackage ./nix-doc/package.nix { withPlugin = false; };
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};
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in
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# Make the overlay idempotent, since flakes passing nixos modules around by
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# value and many other things make it way too easy to include the overlay
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# twice
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if (prev ? lix-overlay-present) then { lix-overlay-present = 2; } else overlay
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