Revert flake.nix

flake.nix

@@ -2,56 +2,46 @@
   description = "tricu";
 
   inputs = {
-    nh2pkgs = {
-      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;
-    };
+    nixpkgs.url = "github:NixOS/nixpkgs";
     flake-utils.url = "github:numtide/flake-utils";
   };
 
-  outputs = { self, flake-utils, nh2pkgs, nixpkgs, static-haskell-nix }:
+  outputs = { self, nixpkgs, flake-utils }:
     flake-utils.lib.eachDefaultSystem (system:
       let
-        compiler = "ghc948";
-        packageName = "tricu";
+        pkgs              = nixpkgs.legacyPackages.${system};
+        packageName       = "tricu";
+        containerPackageName = "${packageName}-container";
 
-        overlay = self: super: {
-          haskell = super.haskell // {
-            packages = super.haskell.packages // {
-              ${compiler} = super.haskell.packages.${compiler}.override {
-                overrides = final: prev: {
-                  ${packageName} = prev.callCabal2nix packageName ./. {};
-                };
-              };
-            };
-          };
-        };
+        customGHC = pkgs.haskellPackages.ghcWithPackages (hpkgs: with hpkgs; [
+          megaparsec
+        ]);
 
-        overlays = [overlay];
+        haskellPackages = pkgs.haskellPackages;
 
-        pkgs = import nh2pkgs { inherit overlays system; };
-
-        survey = import "${static-haskell-nix}/survey" { inherit compiler pkgs; };
-
-        tricuStatic = survey.haskellPackages.${packageName};
+        enableSharedExecutables = false;
+        enableSharedLibraries = false;
 
+        tricu = pkgs.haskell.lib.justStaticExecutables self.packages.${system}.default;
       in {
-        packages.default = tricuStatic;
+
+        packages.${packageName} =
+          haskellPackages.callCabal2nix packageName self rec {};
+
+        packages.default = self.packages.${system}.${packageName};
+        defaultPackage = self.packages.${system}.default;
 
         devShells.default = pkgs.mkShell {
-          buildInputs = with survey; [
+          buildInputs = with pkgs; [
             haskellPackages.cabal-install
             haskellPackages.ghc-events
             haskellPackages.ghcid
-          ] ++ [pkgs.upx];
+            customGHC
+            upx
+          ];
           inputsFrom = builtins.attrValues self.packages.${system};
         };
         devShell = self.devShells.${system}.default;
+
       });
 }
-