flake.nix

   1 {
   2 # Update inputs with:
   3 # nix flake update --recreate-lock-file
   4 inputs.nixpkgs.url = "flake:nixpkgs";
   5 inputs.flake-utils.url = "github:numtide/flake-utils";
   6 #inputs.haskell-nix.url = "github:input-output-hk/haskell.nix";
   7 outputs = inputs: let
   8   in inputs.flake-utils.lib.eachDefaultSystem (system: let
   9     pkgs = inputs.nixpkgs.legacyPackages.${system};
  10     /*
  11     projectName = "symantic-parser";
  12     pkgs = import inputs.haskell-nix.sources.nixpkgs (inputs.haskell-nix.nixpkgsArgs // {
  13       localSystem = { inherit system; };
  14       overlays = inputs.haskell-nix.nixpkgsArgs.overlays ++ [
  15         (import inputs.all-hies {}).overlay
  16       ];
  17     });
  18     compiler-nix-name = "ghc865";
  19     project = pkgs.haskell-nix.cabalProject {
  20       src = pkgs.haskell-nix.haskellLib.cleanGit {
  21         name = projectName;
  22         src = ./.;
  23       };
  24       inherit compiler-nix-name;
  25       #index-state = "2020-08-31T00:00:00Z";
  26       # To be kept up to date with source-repository-package entries in cabal.project
  27       sha256map = {
  28       };
  29       # Update by commenting materialized and running:
  30       # nix run .#materialize
  31       #materialized = ./plan-nix;
  32     };
  33     */
  34     in {
  35       # nix -L build
  36       defaultPackage = import ./default.nix { inherit pkgs; };
  37       # nix develop --command "$EDITOR src/**/*.hs"
  38       # nix develop --command "cabal repl"
  39       devShell = (import ./default.nix {
  40       }).shell;
  41     /*
  42     # Build with: nix build
  43     defaultPackage = project.${projectName}.components.exes."playground";
  44     #packages.${projectName} = project;
  45     # Run with: nix run .#benchmarks
  46     apps."benchmarks" = {
  47       type = "app";
  48       program = "${project.${projectName}.components.exes."benchmarks"}/bin/benchmarks";
  49     };
  50     # Run with: nix run .#playground
  51     apps."playground" = {
  52       type = "app";
  53       program = "${inputs.self.defaultPackage.${system}}/bin/playground";
  54     };
  55     # Run with: nix run .#materialize
  56     apps.materialize = {
  57       type = "app";
  58       program = (pkgs.writeShellScript "materialize" ''
  59         ${pkgs.rsync}/bin/rsync --delete -ai ${project.plan-nix}/ plan-nix/
  60       '').outPath;
  61     };
  62     # Run with: nix run .#register
  63     apps.register = {
  64       type = "app";
  65       program = (pkgs.writeShellScript "register" ''
  66         set -x
  67         nix-store --add-root nix.root --indirect --realise ${project.roots}
  68       '').outPath;
  69     };
  70     # Get a development environment with: nix shell
  71     devShell = project.shellFor {
  72       packages = hpkgs: [
  73         hpkgs."${projectName}"
  74       ];
  75       #components = hpkgs: [];
  76       #additional = hpkgs: [];
  77       withHoogle = false;
  78       tools = {
  79         cabal = "3.2.0.0";
  80         #hie = "unstable";
  81         #hlint = "2.2.11";
  82       };
  83       builtInputs = with project.haskellPackages; [
  84       ];
  85       exactDeps = true;
  86       shellHook = ''
  87         nix-store --add-root nix.root --indirect --realise ${project.roots}
  88       '';
  89     };
  90     */
  91     }
  92   );
  93 }