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flake: Restore packaging-overriding check

The underlying bug seems to have been fixed in diffoscope 293 [1] [2].
Our nixpkgs input has 295.

[1]: https://github.com/NixOS/nixpkgs/pull/393381#issuecomment-2766703347
[2]: https://diffoscope.org/news/diffoscope-292-released/
This commit is contained in:
Sergei Zimmerman 2025-05-29 22:35:50 +00:00
parent ba96067535
commit 4fa991a680
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@ -233,28 +233,24 @@
This shouldn't build anything significant; just check that things
(including derivations) are _set up_ correctly.
*/
# Disabled due to a bug in `testEqualContents` (see
# https://github.com/NixOS/nix/issues/12690).
/*
packaging-overriding =
let
pkgs = nixpkgsFor.${system}.native;
nix = self.packages.${system}.nix;
in
assert (nix.appendPatches [ pkgs.emptyFile ]).libs.nix-util.src.patches == [ pkgs.emptyFile ];
if pkgs.stdenv.buildPlatform.isDarwin then
lib.warn "packaging-overriding check currently disabled because of a permissions issue on macOS" pkgs.emptyFile
else
# If this fails, something might be wrong with how we've wired the scope,
# or something could be broken in Nixpkgs.
pkgs.testers.testEqualContents {
assertion = "trivial patch does not change source contents";
expected = "${./.}";
actual =
# Same for all components; nix-util is an arbitrary pick
(nix.appendPatches [ pkgs.emptyFile ]).libs.nix-util.src;
};
*/
packaging-overriding =
let
pkgs = nixpkgsFor.${system}.native;
nix = self.packages.${system}.nix;
in
assert (nix.appendPatches [ pkgs.emptyFile ]).libs.nix-util.src.patches == [ pkgs.emptyFile ];
if pkgs.stdenv.buildPlatform.isDarwin then
lib.warn "packaging-overriding check currently disabled because of a permissions issue on macOS" pkgs.emptyFile
else
# If this fails, something might be wrong with how we've wired the scope,
# or something could be broken in Nixpkgs.
pkgs.testers.testEqualContents {
assertion = "trivial patch does not change source contents";
expected = "${./.}";
actual =
# Same for all components; nix-util is an arbitrary pick
(nix.appendPatches [ pkgs.emptyFile ]).libs.nix-util.src;
};
}
// (lib.optionalAttrs (builtins.elem system linux64BitSystems)) {
dockerImage = self.hydraJobs.dockerImage.${system};