Use static-haskell-nix to generate static executables

flake.nix

@@ -1,8 +1,20 @@
 {
   description = "glualint - Linter and pretty printer for Garry's Mod's variant of Lua.";
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    nixpkgs = {
+      type = "github";
+      owner = "NixOS";
+      repo = "nixpkgs";
+      flake = true;
+      # This is specifically pinned to be the same as the nixpkgs used by static-haskell-nix. That
+      # ensures that the caches from nh2 can be reused.
+      rev = "ede5282c487a1fd2de64303ba59adad6726f1225";
+    };
     flake-utils.url = "github:numtide/flake-utils";
+    static-haskell-nix = {
+      url = "github:nh2/static-haskell-nix/fp/fix-callPackage-dynamic-executables";
+      flake = false;
+    };
   };
 
   nixConfig = {
@@ -11,13 +23,20 @@
       "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= glualint.cachix.org-1:wHSvobqyCtsGg5tvumXl2SKi998JKhEZbbQeupxHHeY=";
   };
 
-  outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system:
+  outputs = { self, nixpkgs, flake-utils, static-haskell-nix}: flake-utils.lib.eachDefaultSystem (system:
     let
       pkgs = import nixpkgs {
         inherit system;
-        overlays = [ self.overlays.${system}.glualint ];
+        overlays = [ (import ./nix/overlay.nix) ];
       };
 
+      # Use the default.nix in static-haskell-nix/survey to build a statically linked glualint
+      survey = import (static-haskell-nix + "/survey") {
+        normalPkgs = pkgs;
+        compiler = "ghc965";
+      };
+      staticHaskellPackages = survey.haskellPackages.extend (pkgs.callPackage nix/haskell-overlay.nix {});
+
       # Function to build a devshell for glualint
       mkDevShell = mkBuildInputs: pkgs.glualintPkgs.haskellPackages.shellFor {
         packages = p: [ p.glualint ];
@@ -29,7 +48,7 @@
 
       packages = {
         glualint = pkgs.glualintPkgs.haskellPackages.glualint;
-        glualint-static = pkgs.glualintPkgs.staticHaskellPackages.glualint;
+        glualint-static = staticHaskellPackages.glualint;
         default = self.packages.${system}.glualint-static;
       };
 

nix/haskell-overlay.nix

@@ -5,10 +5,10 @@ let
   # https://github.com/UU-ComputerScience/uuagc/pull/11
   uuagc-source = fetchFromGitHub
     {
-      owner = "FPtje";
+      owner = "UU-ComputerScience";
       repo = "uuagc";
-      rev = "93783365b8e0771b092b9d99264227ca7c5d0823";
-      sha256 = "sha256-hvJ/GShwR1AvSofPmmR4FJMPUwUaCMiL1l1CKcKvQw0=";
+      rev = "7d1dcacb18846820f9f56bbf94209fd1c630fb97";
+      sha256 = "sha256-TbJbSRvGG/U5SCLgVICx82d5g2m42rZGFwuT4pX6a30=";
     };
 in
 {

nix/overlay.nix

@@ -4,9 +4,9 @@ final: previous:
     haskellOverlay = final.callPackage ./haskell-overlay.nix {};
 
     haskellPackages =
-      previous.haskell.packages.ghc94.extend final.glualintPkgs.haskellOverlay;
+      previous.haskell.packages.ghc965.extend final.glualintPkgs.haskellOverlay;
 
     staticHaskellPackages =
-      previous.pkgsStatic.haskell.packages.ghc94.extend final.glualintPkgs.haskellOverlay;
+      previous.pkgsStatic.haskell.packages.ghc965.extend final.glualintPkgs.haskellOverlay;
   };
 }