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nixos/nixpkgs: Only error when nixpkgs options are actually used

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This commit is contained in:
Robert Hensing 2022-10-20 11:18:13 +02:00
parent 028b21a597
commit 1e9864c85e
2 changed files with 12 additions and 1 deletions
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7
nixos/modules/misc/nixpkgs.nix
View file

@ -55,6 +55,11 @@ let
check = builtins.isAttrs;
};
# Whether `pkgs` was constructed by this module - not if nixpkgs.pkgs or
# _module.args.pkgs is set. However, determining whether _module.args.pkgs
# is defined elsewhere does not seem feasible.
constructedByMe = !opt.pkgs.isDefined;
hasBuildPlatform = opt.buildPlatform.highestPrio < (mkOptionDefault {}).priority;
hasHostPlatform = opt.hostPlatform.isDefined;
hasPlatform = hasHostPlatform || hasBuildPlatform;
@ -358,7 +363,7 @@ in
}
)
{
assertion = hasPlatform -> legacyOptionsDefined == [];
assertion = constructedByMe -> hasPlatform -> legacyOptionsDefined == [];
message = ''
Your system configures nixpkgs with the platform parameter${optionalString hasBuildPlatform "s"}:
${hostPlatformLine

6
nixos/modules/misc/nixpkgs/test.nix
View file

@ -59,5 +59,11 @@ lib.recurseIntoAttrs {
For a future proof system configuration, we recommend to remove
the legacy definitions.
''];
assert getErrors {
nixpkgs.localSystem = pkgs.stdenv.hostPlatform;
nixpkgs.hostPlatform = pkgs.stdenv.hostPlatform;
nixpkgs.pkgs = pkgs;
} == [];
pkgs.emptyFile;
}