927521a6ac
Changes the Nix format checking workflow to now strictly enforce formatting of all Nix files using the treefmt setup introduced in the pre-previous commit. This is in [accordance with the approved RFC 166](https://github.com/NixOS/rfcs/blob/master/rfcs/0166-nix-formatting.md#reformat-nixpkgs). Note that the "skip treewide" thing is no longer necessary, already before, because there's nothing that would fail for treewide changes. Previously the problem was that the GitHub API would be bombarded.
74 lines
2.3 KiB
Nix
74 lines
2.3 KiB
Nix
let
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pinnedNixpkgs = builtins.fromJSON (builtins.readFile ./pinned-nixpkgs.json);
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in
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{
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system ? builtins.currentSystem,
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nixpkgs ? null,
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}:
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let
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nixpkgs' =
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if nixpkgs == null then
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fetchTarball {
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url = "https://github.com/NixOS/nixpkgs/archive/${pinnedNixpkgs.rev}.tar.gz";
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sha256 = pinnedNixpkgs.sha256;
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}
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else
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nixpkgs;
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pkgs = import nixpkgs' {
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inherit system;
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config = { };
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overlays = [ ];
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};
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fmt =
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let
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treefmtNixSrc = fetchTarball {
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# Master at 2025-02-12
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url = "https://github.com/numtide/treefmt-nix/archive/4f09b473c936d41582dd744e19f34ec27592c5fd.tar.gz";
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sha256 = "051vh6raskrxw5k6jncm8zbk9fhbzgm1gxpq9gm5xw1b6wgbgcna";
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};
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treefmtEval = (import treefmtNixSrc).evalModule pkgs {
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# Important: The auto-rebase script uses `git filter-branch --tree-filter`,
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# which creates trees within the Git repository under `.git-rewrite/t`,
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# notably without having a `.git` themselves.
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# So if this projectRootFile were the default `.git/config`,
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# having the auto-rebase script use treefmt on such a tree would make it
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# format all files in the _parent_ Git tree as well.
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projectRootFile = ".git-blame-ignore-revs";
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# Be a bit more verbose by default, so we can see progress happening
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settings.verbose = 1;
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# By default it's info, which is too noisy since we have many unmatched files
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settings.on-unmatched = "debug";
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# This uses nixfmt-rfc-style underneath,
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# the default formatter for Nix code.
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# See https://github.com/NixOS/nixfmt
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programs.nixfmt.enable = true;
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};
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fs = pkgs.lib.fileset;
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nixFilesSrc = fs.toSource {
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root = ../.;
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fileset = fs.difference (fs.unions [
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(fs.fileFilter (file: file.hasExt "nix") ../.)
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../.git-blame-ignore-revs
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]) (fs.maybeMissing ../.git);
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};
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in
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{
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shell = treefmtEval.config.build.devShell;
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pkg = treefmtEval.config.build.wrapper;
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check = treefmtEval.config.build.check nixFilesSrc;
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};
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in
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{
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inherit pkgs fmt;
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requestReviews = pkgs.callPackage ./request-reviews { };
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codeownersValidator = pkgs.callPackage ./codeowners-validator { };
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eval = pkgs.callPackage ./eval { };
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}
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