Implement /hex

nix/haskell-deps.nix

@@ -1,4 +1,12 @@
 haskellPackages: with haskellPackages; [
+  attoparsec
+  blaze-html
+  bytestring
+  http-media
+  servant-server
+  text
   unicode-data
   unicode-data-names
+  wai
+  warp
 ]

nix/pkgs.nix

@@ -14,7 +14,11 @@ let
   };
 
   haskellOverlay = pkgs: final: prev: {
-    unicode-data = prev.unicode-data_0_4_0;
+    attoparsec-iso8601 = prev.attoparsec-iso8601_1_1_0_0;
+    http-api-data = prev.http-api-data_0_5;
+    servant = pkgs.haskell.lib.doJailbreak prev.servant;
+    servant-server = pkgs.haskell.lib.doJailbreak prev.servant-server;
+    unicode-data = prev.unicode-data_0_4_0_1;
     unicode-data-names = pkgs.haskell.lib.markUnbroken prev.unicode-data-names;
   };
 in

nix/sources.json

@@ -12,15 +12,15 @@
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
-        "branch": "nixos-22.11",
+        "branch": "nixpkgs-unstable",
         "description": "Nix Packages collection",
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7076110064c09f0b3942f609f2134c1358ef2e50",
-        "sha256": "0j7idx8vyb0spwxqb7rr8pk15wi7yfyf5hp608wkhaz7wjw8k9nf",
+        "rev": "9952d6bc395f5841262b006fbace8dd7e143b634",
+        "sha256": "0kvpf63dda6nzbqd2kyr99qh1av89mva26xykp3zb4diyicp7yji",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/7076110064c09f0b3942f609f2134c1358ef2e50.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/9952d6bc395f5841262b006fbace8dd7e143b634.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }