981754ba5c
Some configs rely on being able to pass their own lib argument into
nixosSystem, for instance in order to add their own additional overlay
to nixpkgs.lib.
This was broken by 039f73f134.
76 lines
2.5 KiB
Nix
76 lines
2.5 KiB
Nix
# Experimental flake interface to Nixpkgs.
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# See https://github.com/NixOS/rfcs/pull/49 for details.
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{
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description = "A collection of packages for the Nix package manager";
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outputs = { self }:
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let
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jobs = import ./pkgs/top-level/release.nix {
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nixpkgs = self;
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};
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libVersionInfoOverlay = import ./lib/flake-version-info.nix self;
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lib = (import ./lib).extend libVersionInfoOverlay;
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forAllSystems = lib.genAttrs lib.systems.flakeExposed;
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in
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{
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lib = lib.extend (final: prev: {
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nixos = import ./nixos/lib { lib = final; };
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nixosSystem = args:
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import ./nixos/lib/eval-config.nix (
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{
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lib = final;
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# Allow system to be set modularly in nixpkgs.system.
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# We set it to null, to remove the "legacy" entrypoint's
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# non-hermetic default.
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system = null;
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} // args
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);
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});
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checks.x86_64-linux.tarball = jobs.tarball;
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htmlDocs = {
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nixpkgsManual = jobs.manual;
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nixosManual = (import ./nixos/release-small.nix {
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nixpkgs = self;
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}).nixos.manual.x86_64-linux;
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};
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# The "legacy" in `legacyPackages` doesn't imply that the packages exposed
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# through this attribute are "legacy" packages. Instead, `legacyPackages`
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# is used here as a substitute attribute name for `packages`. The problem
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# with `packages` is that it makes operations like `nix flake show
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# nixpkgs` unusably slow due to the sheer number of packages the Nix CLI
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# needs to evaluate. But when the Nix CLI sees a `legacyPackages`
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# attribute it displays `omitted` instead of evaluating all packages,
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# which keeps `nix flake show` on Nixpkgs reasonably fast, though less
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# information rich.
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legacyPackages = forAllSystems (system:
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(import ./. { inherit system; }).extend (final: prev: {
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lib = prev.lib.extend libVersionInfoOverlay;
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})
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);
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nixosModules = {
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notDetected = ./nixos/modules/installer/scan/not-detected.nix;
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/*
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Make the `nixpkgs.*` configuration read-only. Guarantees that `pkgs`
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is the way you initialize it.
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Example:
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{
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imports = [ nixpkgs.nixosModules.readOnlyPkgs ];
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nixpkgs.pkgs = nixpkgs.legacyPackages.x86_64-linux;
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}
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*/
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readOnlyPkgs = ./nixos/modules/misc/nixpkgs/read-only.nix;
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};
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};
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}
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