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69 lines
2.4 KiB
69 lines
2.4 KiB
{ evalMinimalConfig, pkgs, lib, stdenv }:
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let
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eval = mod: evalMinimalConfig {
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imports = [ ../nixpkgs.nix mod ];
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};
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withHost = eval {
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nixpkgs.hostPlatform = "aarch64-linux";
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};
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withHostAndBuild = eval {
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nixpkgs.hostPlatform = "aarch64-linux";
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nixpkgs.buildPlatform = "aarch64-darwin";
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};
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ambiguous = {
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_file = "ambiguous.nix";
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nixpkgs.hostPlatform = "aarch64-linux";
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nixpkgs.buildPlatform = "aarch64-darwin";
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nixpkgs.system = "x86_64-linux";
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nixpkgs.localSystem.system = "x86_64-darwin";
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nixpkgs.crossSystem.system = "i686-linux";
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imports = [
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{ _file = "repeat.nix";
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nixpkgs.hostPlatform = "aarch64-linux";
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}
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];
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};
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getErrors = module:
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let
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uncheckedEval = lib.evalModules { modules = [ ../nixpkgs.nix module ]; };
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in map (ass: ass.message) (lib.filter (ass: !ass.assertion) uncheckedEval.config.assertions);
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in
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lib.recurseIntoAttrs {
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invokeNixpkgsSimple =
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(eval {
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nixpkgs.system = stdenv.hostPlatform.system;
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})._module.args.pkgs.hello;
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assertions =
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assert withHost._module.args.pkgs.stdenv.hostPlatform.system == "aarch64-linux";
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assert withHost._module.args.pkgs.stdenv.buildPlatform.system == "aarch64-linux";
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assert withHostAndBuild._module.args.pkgs.stdenv.hostPlatform.system == "aarch64-linux";
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assert withHostAndBuild._module.args.pkgs.stdenv.buildPlatform.system == "aarch64-darwin";
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assert builtins.trace (lib.head (getErrors ambiguous))
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getErrors ambiguous ==
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[''
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Your system configures nixpkgs with the platform parameters:
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nixpkgs.hostPlatform, with values defined in:
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- repeat.nix
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- ambiguous.nix
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nixpkgs.buildPlatform, with values defined in:
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- ambiguous.nix
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However, it also defines the legacy options:
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nixpkgs.system, with values defined in:
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- ambiguous.nix
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nixpkgs.localSystem, with values defined in:
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- ambiguous.nix
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nixpkgs.crossSystem, with values defined in:
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- ambiguous.nix
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For a future proof system configuration, we recommend to remove
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the legacy definitions.
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''];
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assert getErrors {
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nixpkgs.localSystem = pkgs.stdenv.hostPlatform;
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nixpkgs.hostPlatform = pkgs.stdenv.hostPlatform;
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nixpkgs.pkgs = pkgs;
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} == [];
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pkgs.emptyFile;
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}
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