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This is useful if you want to configure treefmt with nix, and precisely pass all the commands from nixpkgs. Co-authored-by: Sridhar Ratnakumar <srid@srid.ca>
40 lines
1.4 KiB
Nix
40 lines
1.4 KiB
Nix
{
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description = "treefmt";
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# To update all inputs:
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# $ nix flake update --recreate-lock-file
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inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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inputs.flake-parts.url = "github:hercules-ci/flake-parts";
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inputs.flake-parts.inputs.nixpkgs.follows = "nixpkgs";
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outputs = { self, nixpkgs, flake-parts }@inputs:
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flake-parts.lib.mkFlake { inherit self; } {
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systems = nixpkgs.lib.systems.flakeExposed;
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perSystem = { system, pkgs, ... }:
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let
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packages = import ./. {
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inherit system;
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inputs = null;
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nixpkgs = pkgs;
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};
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in
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{
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# This contains a mix of packages, modules, ...
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legacyPackages = packages;
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devShells.default = packages.devShell;
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# In Nix 2.8 you can run `nix fmt` to format this whole repo.
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#
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# Because we load the treefmt.toml and don't define links to the
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# packages in Nix, the formatter has to run inside of `nix develop`
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# to have the various tools on the PATH.
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#
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# It also assumes that the project root has a flake.nix (override this by setting `projectRootFile`).
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formatter = packages.treefmt.withConfig {
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settings = nixpkgs.lib.importTOML ./treefmt.toml;
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projectRootFile = "flake.nix";
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};
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};
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};
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}
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