flake.nix

   1 {
   2   inputs = {
   3     nixpkgs.url = "flake:nixpkgs";
   4     git-hooks.url = "github:cachix/git-hooks.nix";
   5     git-hooks.inputs.nixpkgs.follows = "nixpkgs";
   6     symantic-base = { url = "git://git.sourcephile.fr/haskell/symantic-base"; flake = false; };
   7   };
   8   outputs = inputs:
   9     let
  10       pkg = "literate-web";
  11       lib = inputs.nixpkgs.lib;
  12       fileInputs = with lib.fileset; toSource {
  13         root = ./.;
  14         fileset = unions [
  15           ./literate-web.cabal
  16           #./ChangeLog.md
  17           #./Readme.md
  18           #./LICENSES
  19           (fileFilter (file: lib.any file.hasExt [ "hs" ]) ./src)
  20           (fileFilter (file: lib.any file.hasExt [ "hs" "golden" ]) ./tests)
  21         ];
  22       };
  23       perSystem = f: lib.genAttrs lib.systems.flakeExposed (system: f rec {
  24         inherit system;
  25         pkgs = inputs.nixpkgs.legacyPackages.${system};
  26         haskellPackages = pkgs.haskellPackages.extend (with pkgs.haskell.lib; finalHaskellPkgs: previousHaskellPkgs: {
  27           ${pkg} = buildFromSdist (finalHaskellPkgs.callCabal2nix pkg fileInputs { });
  28           symantic-base = finalHaskellPkgs.callCabal2nix "symantic-base" inputs.symantic-base { };
  29           mvc = dontCheck (doJailbreak (unmarkBroken hsuper.mvc));
  30           mvc-updates = dontCheck (doJailbreak (unmarkBroken (
  31             appendPatch hsuper.mvc-updates ./0001-mvc-updates-fix-L.pretraverseM.patch
  32           )));
  33         });
  34       });
  35     in
  36     rec {
  37       # nix -L build
  38       packages = perSystem ({ haskellPackages, ... }: {
  39         default = haskellPackages.${pkg};
  40       });
  41       # nix -L develop  or  direnv allow
  42       devShells = perSystem ({ pkgs, haskellPackages, system, ... }: {
  43         default =
  44           haskellPackages.shellFor {
  45             packages = ps: [ ps.${pkg} ];
  46             nativeBuildInputs = [
  47               haskellPackages.cabal-fmt
  48               haskellPackages.cabal-install
  49               haskellPackages.ghcid
  50               haskellPackages.haskell-language-server
  51               haskellPackages.hlint
  52               pkgs.git-chglog
  53               pkgs.reuse
  54             ];
  55             withHoogle = false;
  56             inherit (checks.${system}.git-hooks-check) shellHook;
  57           };
  58       });
  59       # nix flake check
  60       checks = perSystem (args: with args; {
  61         git-hooks-check = inputs.git-hooks.lib.${system}.run {
  62           src = ./.;
  63           hooks = {
  64             cabal-fmt.enable = true;
  65             fourmolu.enable = true;
  66             hlint.enable = true;
  67             nixpkgs-fmt.enable = true;
  68             ormolu.settings.cabalDefaultExtensions = true;
  69             ormolu.settings.defaultExtensions = [
  70               "ImportQualifiedPost"
  71               "TypeApplications"
  72             ];
  73             reuse = {
  74               enable = false;
  75               entry = "${pkgs.reuse}/bin/reuse lint";
  76               pass_filenames = false;
  77             };
  78           };
  79         };
  80       });
  81     };
  82 }