get the flake in shape to work with the ci config

flake.lock

@@ -3,11 +3,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1668681692,
-        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
         "type": "github"
       },
       "original": {
@@ -33,11 +33,11 @@
     },
     "flake-utils_2": {
       "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "lastModified": 1676283394,
+        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
         "type": "github"
       },
       "original": {
@@ -75,11 +75,11 @@
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
-        "lastModified": 1673454489,
-        "narHash": "sha256-LsOintvQ4n3QPkI5MA+IhmlLlH5BVzL2xqT/h5U5K7w=",
+        "lastModified": 1681762240,
+        "narHash": "sha256-+PLx9xHBvV70dA7Gy/+YTH1w3PcSOrGV0z0rGxts8jU=",
         "ref": "main",
-        "rev": "4feccf13501960b92e1d9d73bf6e046b36861af0",
-        "revCount": 4,
+        "rev": "a51e591b7fdf8881ac0237452691df7b1aceecd3",
+        "revCount": 10,
         "type": "git",
         "url": "https://whetstone.private.storage/jcalderone/hs-flake-utils.git"
       },
@@ -91,30 +91,32 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1659606041,
-        "narHash": "sha256-W4/u2ssr3fS4XOtltrsDD9w2kF4jYYZr6JyPGUW2jdI=",
-        "owner": "NixOS",
+        "lastModified": 1677624842,
+        "narHash": "sha256-4DF9DbDuK4/+KYx0L6XcPBeDHUFVCtzok2fWtwXtb5w=",
+        "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "5f9b871b72b24f066b1a1e189efd0669f2888c49",
+        "rev": "d70f5cd5c3bef45f7f52698f39e7cc7a89daa7f0",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
+        "owner": "nixos",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1671271954,
-        "narHash": "sha256-cSvu+bnvN08sOlTBWbBrKaBHQZq8mvk8bgpt0ZJ2Snc=",
+        "lastModified": 1673800717,
+        "narHash": "sha256-SFHraUqLSu5cC6IxTprex/nTsI81ZQAtDvlBvGDWfnA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d513b448cc2a6da2c8803e3c197c9fc7e67b19e3",
+        "rev": "2f9fd351ec37f5d479556cd48be4ca340da59b8f",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-22.05",
+        "ref": "nixos-22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -134,11 +136,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1673281605,
-        "narHash": "sha256-v6U0G3pJe0YaIuD1Ijhz86EhTgbXZ4f/2By8sLqFk4c=",
+        "lastModified": 1677722096,
+        "narHash": "sha256-7mjVMvCs9InnrRybBfr5ohqcOz+pyEX8m22C1XsDilg=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "f8992fb404c7e79638192a10905b7ea985818050",
+        "rev": "61a3511668891c68ebd19d40122150b98dc2fe3b",
         "type": "github"
       },
       "original": {

flake.nix

@@ -17,8 +17,9 @@
     ulib = flake-utils.lib;
   in
     ulib.eachSystem ["x86_64-linux" "aarch64-darwin"] (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
       hslib = hs-flake-utils.lib {
-        pkgs = nixpkgs.legacyPackages.${system};
+        inherit pkgs;
         src = ./.;
         compilerVersion = "ghc8107";
         packageName = "tahoe-capabilities";
@@ -27,5 +28,25 @@
       checks = hslib.checks {};
       devShells = hslib.devShells {};
       packages = hslib.packages {};
+
+      apps.hlint = hslib.apps.hlint {};
+
+      # Using the working directory of `nix run`, do a build with cabal and
+      # then run the test suite.
+      apps.cabal-test = {
+        type = "app";
+        program = "${
+          pkgs.writeShellApplication {
+            name = "cabal-build-and-test";
+            runtimeInputs = with pkgs; [pkg-config haskell.compiler.${ghcVersion} cabal-install];
+
+            text = ''
+              cabal update hackage.haskell.org
+              cabal build all
+              cabal run tests
+            '';
+          }
+        }/bin/cabal-build-and-test";
+      };
     });
 }