From ad1918aa6f5715845caad6c36e02b1f8535beab1 Mon Sep 17 00:00:00 2001
From: James Eversole <james@eversole.co>
Date: Fri, 7 Feb 2025 18:32:09 -0600
Subject: [PATCH] Statically link binaries

---
 flake.nix | 85 +++++++++++++++++++++++++++++++------------------------
 1 file changed, 48 insertions(+), 37 deletions(-)

diff --git a/flake.nix b/flake.nix
index 0667747..bd68a9d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,46 +2,57 @@
   description = "tricu";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs";
-    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs = {
+      url = "https://github.com/nh2/nixpkgs/archive/ede5282c487a1fd2de64303ba59adad6726f1225.tar.gz";
+      type = "tarball";
+      flake = false;
+    };
+    static-haskell-nix = {
+      url = "github:nh2/static-haskell-nix";
+      flake = false;
+    };
   };
 
-  outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs              = nixpkgs.legacyPackages.${system};
-        packageName       = "tricu";
-        containerPackageName = "${packageName}-container";
+  outputs = { self, nixpkgs, static-haskell-nix }:
+    let
+      system = "x86_64-linux";
+      compiler = "ghc948";
+      packageName = "tricu";
 
-        customGHC = pkgs.haskellPackages.ghcWithPackages (hpkgs: with hpkgs; [
-          megaparsec
-        ]);
-
-        haskellPackages = pkgs.haskellPackages;
-
-        enableSharedExecutables = false;
-        enableSharedLibraries = false;
-
-        tricu = pkgs.haskell.lib.justStaticExecutables self.packages.${system}.default;
-      in {
-
-        packages.${packageName} =
-          haskellPackages.callCabal2nix packageName self rec {};
-
-        packages.default = self.packages.${system}.${packageName};
-        defaultPackage = self.packages.${system}.default;
-
-        devShells.default = pkgs.mkShell {
-          buildInputs = with pkgs; [
-            haskellPackages.cabal-install
-            haskellPackages.ghc-events
-            haskellPackages.ghcid
-            customGHC
-            upx
-          ];
-          inputsFrom = builtins.attrValues self.packages.${system};
+      overlay = self: super: {
+        haskell = super.haskell // {
+          packages = super.haskell.packages // {
+            ${compiler} = super.haskell.packages.${compiler}.override {
+              overrides = final: prev: {
+                ${packageName} = prev.callCabal2nix packageName ./. {};
+              };
+            };
+          };
         };
-        devShell = self.devShells.${system}.default;
+      };
 
-      });
+      overlays = [overlay];
+
+      normalPkgs = import nixpkgs { inherit overlays system; };
+
+      survey = import "${static-haskell-nix}/survey" { inherit compiler normalPkgs; };
+
+      tricuStatic = survey.haskellPackages.${packageName};
+
+    in {
+      packages.${system}.default = tricuStatic;
+
+      devShells.default = normalPkgs.mkShell {
+        buildInputs = with normalPkgs; [
+          normalPkgs.haskellPackages.cabal-install
+          normalPkgs.haskellPackages.ghc-events
+          normalPkgs.haskellPackages.ghcid
+          normalPkgs.upx
+        ];
+        inputsFrom = builtins.attrValues self.packages.${system};
+      };
+
+      devShell = self.devShells.${system}.default;
+    };
 }
+