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{
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
flake-parts = { url = "github:hercules-ci/flake-parts"; inputs.nixpkgs-lib.follows = "nixpkgs"; };
treefmt-nix.url = "github:numtide/treefmt-nix";
};
outputs = inputs:
inputs.flake-parts.lib.mkFlake { inherit inputs; } {
systems = [ "x86_64-linux" ];
imports = [
inputs.treefmt-nix.flakeModule
];
perSystem = { pkgs, ... }: {
packages.default = pkgs.haskellPackages.callCabal2nix "example" ./. { };
devShells.default = pkgs.haskellPackages.shellFor {
packages = ps: [ ];
buildInputs = with pkgs.haskellPackages; [
cabal-install
haskell-language-server
megaparsec
stack
];
};
treefmt = {
projectRootFile = "flake.nix";
programs.nixpkgs-fmt.enable = true;
programs.cabal-fmt.enable = true;
};
};
};
}
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