Switch to a fixed dhall-nix

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -0,0 +1 @@
+.direnv/

dhallToNix.nix

@@ -1,7 +1,9 @@
-{ pkgs ? import <nixpkgs> {} }: code:
+{pkgs ? import <nixpkgs> {}}: code: let
-let
   codeString = builtins.toString code;
-  file = if builtins.isPath code then code else builtins.toFile "dhall-expr" codeString;
+  file =
+    if builtins.isPath code
+    then code
+    else builtins.toFile "dhall-expr" codeString;
   drv = pkgs.stdenvNoCC.mkDerivation {
     name = "dhall-expr-as-nix";
     src = ./.;
@@ -10,6 +12,7 @@ let
       dhall-to-nix < ${file} > $out
     '';
 
-    nativeBuildInputs = [ pkgs.dhall-nix ];
+    nativeBuildInputs = [pkgs.dhall-nix];
   };
-in import "${drv}" (import ./runtime.nix)
+in
+  import "${drv}" (import ./runtime.nix)

flake.lock

@@ -0,0 +1,62 @@
+{
+  "nodes": {
+    "dhall-haskell": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1662555889,
+        "narHash": "sha256-+MUDk6Wa3KaVaVBH0u4esfV9h9fYSuGuEaNXSmep1vI=",
+        "ref": "nix-hotfix",
+        "rev": "452fd3adabca14e4ec9ff80eee9b6f84489902e5",
+        "revCount": 1918,
+        "submodules": true,
+        "type": "git",
+        "url": "https://github.com/darkkirb/dhall-haskell"
+      },
+      "original": {
+        "ref": "nix-hotfix",
+        "submodules": true,
+        "type": "git",
+        "url": "https://github.com/darkkirb/dhall-haskell"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1662556621,
+        "narHash": "sha256-9K/E3k261ksOje0SsSug2AiykuEwu8BaLgHFhTHr3+w=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c66b76594310df647f99a653e98e8e59e842d0c6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "dhall-haskell": "dhall-haskell",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,35 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+    dhall-haskell = {
+      url = "https://github.com/darkkirb/dhall-haskell";
+      flake = false;
+      type = "git";
+      submodules = true;
+      ref = "nix-hotfix";
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    dhall-haskell,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {inherit system; overlays = [ self.overlays.${system}.default ];};
+    in {
+      formatter = pkgs.alejandra;
+      packages = rec {
+        inherit (import "${dhall-haskell}/nix/shared.nix" { inherit system; }) dhall dhall-nix;
+      };
+      overlays.default = (_: _: self.packages.${system});
+      devShells.default = pkgs.mkShell {
+        nativeBuildInputs = [ self.packages.${system}.dhall self.packages.${system}.dhall-nix];
+      };
+      lib.dhallToNix = import ./dhallToNix.nix {inherit pkgs;};
+    });
+}