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     logic.url = "git+https://radicle-mermet.sourcephile.fr/z3795BqJN8hSMGkyAUr8hHviEEi2H.git";
   7   };
   8   outputs = inputs:
   9     let
  10       pkg = "literate-phylomemy";
  11       lib = inputs.nixpkgs.lib;
  12       fileInputs = with lib.fileset; toSource {
  13         root = ./.;
  14         fileset = unions [
  15           ./literate-phylomemy.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           ${pkg} = buildFromSdist (finalHaskellPkgs.callCabal2nix pkg fileInputs { });
  28           logic = finalHaskellPkgs.callCabal2nix "logic" inputs.logic { };
  29           #union-find = doJailbreak (finalHaskellPkgs.callHackage "union-find" "0.2" { });
  30           #disjoint-containers = unmarkBroken previousHaskellPkgs.disjoint-containers;
  31           #splaytree = doJailbreak (unmarkBroken previousHaskellPkgs.splaytree);
  32         });
  33       });
  34     in
  35     rec {
  36       # nix -L build
  37       packages = perSystem ({ haskellPackages, ... }: {
  38         default = haskellPackages.${pkg};
  39       });
  40       # nix -L develop  or  direnv allow
  41       devShells = perSystem ({ pkgs, haskellPackages, system, ... }: {
  42         default =
  43           haskellPackages.shellFor {
  44             packages = ps: [ ps.${pkg} ];
  45             nativeBuildInputs = [
  46               haskellPackages.cabal-fmt
  47               haskellPackages.cabal-install
  48               haskellPackages.ghcid
  49               haskellPackages.haskell-language-server
  50               haskellPackages.hlint
  51               pkgs.ghciwatch
  52               pkgs.git-chglog
  53               pkgs.reuse
  54               pkgs.xdot
  55             ];
  56             withHoogle = false;
  57             inherit (checks.${system}.git-hooks-check) shellHook;
  58           };
  59       });
  60       # nix flake check
  61       checks = perSystem (args: with args; {
  62         git-hooks-check = inputs.git-hooks.lib.${system}.run {
  63           src = ./.;
  64           hooks = {
  65             cabal-fmt.enable = true;
  66             fourmolu.enable = true;
  67             hlint.enable = true;
  68             nixpkgs-fmt.enable = true;
  69             ormolu.settings.cabalDefaultExtensions = true;
  70             reuse = {
  71               enable = true;
  72               entry = "${pkgs.reuse}/bin/reuse lint";
  73               pass_filenames = false;
  74             };
  75           };
  76         };
  77       });
  78     };
  79 }