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nixos/../nixpkgs.nix: Add assertions to check pkgs' system

This commit is contained in:
Robert Hensing 2018-11-04 23:09:43 +01:00
parent 51c6f51390
commit b682778366
1 changed files with 19 additions and 0 deletions
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19
nixos/modules/misc/nixpkgs.nix
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@ -218,5 +218,24 @@ in
_module.args = {
pkgs = finalPkgs;
};
assertions = [
(
let
nixosExpectedSystem =
if config.nixpkgs.crossSystem != null
then config.nixpkgs.crossSystem.system
else config.nixpkgs.localSystem.system;
nixosOption =
if config.nixpkgs.crossSystem != null
then "nixpkgs.crossSystem"
else "nixpkgs.localSystem";
pkgsSystem = finalPkgs.stdenv.targetPlatform.system;
in {
assertion = nixosExpectedSystem == pkgsSystem;
message = "The NixOS nixpkgs.pkgs option was set to a Nixpkgs invocation that compiles to target system ${pkgsSystem} but NixOS was configured for system ${nixosExpectedSystem} via NixOS option ${nixosOption}. The NixOS system settings must match the Nixpkgs target system.";
}
)
];
};
}