Update resolver, add flake with weeder

flake.nix

@@ -0,0 +1,29 @@
+{
+  description = "Sandwich";
+
+  inputs.gitignore = {
+    url = "github:hercules-ci/gitignore.nix";
+    inputs.nixpkgs.follows = "nixpkgs";
+  };
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/release-23.11";
+  inputs.nixpkgsMaster.url = "github:NixOS/nixpkgs/master";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, gitignore, nixpkgs, nixpkgsMaster, flake-utils }:
+    flake-utils.lib.eachSystem [ "x86_64-linux" ] (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        pkgsMaster = import nixpkgsMaster { inherit system; };
+      in
+        {
+          packages = {
+            inherit (pkgsMaster) node2nix;
+            inherit (pkgsMaster.haskell.packages.ghc964) weeder;
+
+            test = pkgs.writeShellScriptBin "stack-test" ''
+              export NIX_PATH=nixpkgs=${pkgs.path}
+              ${pkgs.stack}/bin/stack test
+            '';
+          };
+        });
+}

stack.yaml

@@ -1,5 +1,5 @@
 
-resolver: nightly-2023-11-17
+resolver: lts-22.12
 
 ghc-options:
   "$locals": >-
@@ -50,10 +50,6 @@ packages:
 - ./demos/demo-webdriver-video
 
 extra-deps:
-- brick-2.1.1
-- vty-6.1
-- vty-crossplatform-0.4.0.0
-- vty-unix-0.2.0.0
 - vty-windows-0.2.0.0
 
 # For sandwich-contexts

stack.yaml.lock

@@ -4,34 +4,6 @@
 #   https://docs.haskellstack.org/en/stable/lock_files
 
 packages:
-- completed:
-    hackage: brick-2.1.1@sha256:ff36d64f1027eac17a14a83de053067413accb58b79e5002dce2a79cb8a3dcb3,17385
-    pantry-tree:
-      sha256: c70beaff3ad9126bc2a9a57649ef63becd534b7eb6b015092cb28437fe3f916d
-      size: 4671
-  original:
-    hackage: brick-2.1.1
-- completed:
-    hackage: vty-6.1@sha256:524d124223c02373260ebc409ddd622fbe97cacd1ea0ee98476b5992bddbc4f3,3661
-    pantry-tree:
-      sha256: 4ed3b229066617a0f3429b7b7dadc8e01d14111ac675801053cd35fbb6ee3f14
-      size: 2104
-  original:
-    hackage: vty-6.1
-- completed:
-    hackage: vty-crossplatform-0.4.0.0@sha256:50593f91ad16777d921138475a8d2784d538fd206addd30664c620278d6c8544,3172
-    pantry-tree:
-      sha256: ff010cf0ab3f48c43432268a00113e051599285d6ed60cfada7f53e44dbe00f8
-      size: 582
-  original:
-    hackage: vty-crossplatform-0.4.0.0
-- completed:
-    hackage: vty-unix-0.2.0.0@sha256:2af3d0bdae3c4b7b7e567ee374efe32c7439fabdf9096465ce011a6c6736e9ae,2932
-    pantry-tree:
-      sha256: 0e3dd52406c263fd4b54d03123e71423d1ef6939fb8c179745486243c519fdf7
-      size: 1926
-  original:
-    hackage: vty-unix-0.2.0.0
 - completed:
     hackage: vty-windows-0.2.0.0@sha256:91a11bab7bb79f8ee0d4a8166824ed855251cbac101eed3fdf607ad519a13557,2815
     pantry-tree:
@@ -52,7 +24,7 @@ packages:
     git: https://github.com/codedownio/minio-hs
 snapshots:
 - completed:
-    sha256: c2e1f24aaacdb9b102211cc79a46de9e906be677d9702ac3aa102bfb8e1fb1c9
-    size: 698982
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/nightly/2023/11/17.yaml
-  original: nightly-2023-11-17
+    sha256: e2c529ccfb21501f98f639e056cbde50470b86256d9849d7a82d414ca23e4276
+    size: 712898
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/12.yaml
+  original: lts-22.12

weeder.toml

@@ -0,0 +1,4 @@
+roots = [
+  "Main.main"
+  ]
+type-class-roots = true