git-hooks.nix

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Hey, I exclude a generated .nix file from the pre-commit checks, but nevertheless statix fails on that file. That's my simplified flakeParts module:

{ inputs, ... }: {
  imports = [
    inputs.pre-commit-hooks.flakeModule # Adds perSystem.pre-commit options
  ];
  perSystem = { ... }:
    {
      pre-commit = {
        settings = {
          excludes = [
            "spago-packages.nix"
          ];
          hooks = {
            statix.enable = true;
          };
          # this workaround works
          # settings.statix.ignore = [ "spago-packages.nix" ];
        };
      };
    };
}

As said - statix runs and fails on file ./bla/spago-packages.nix, eventhough it's excluded.

pass_filenames

Statix has the option pass_filenames set to false. Though to my understanding ignoring excludes is not the expected behaviour for any formatter. I've checked with some other formatter with pass_filenames=false (with rustfmt), and the excludes field had an effect.

Maybe spago-packages.nix is an import of some other not-excluded file?

No, not directly and statix doesn't analize imports for its contents.

Workaround

If you have this issue check the commented workaround in the nix snippet.