chore: change flake.nix

flake.lock

@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1688679045,
-        "narHash": "sha256-t3xGEfYIwhaLTPU8FLtN/pLPytNeDwbLI6a7XFFBlGo=",
+        "lastModified": 1690558459,
+        "narHash": "sha256-5W7y1l2cLYPkpJGNlAja7XW2X2o9rjf0O1mo9nxS9jQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3c7487575d9445185249a159046cc02ff364bff8",
+        "rev": "48e82fe1b1c863ee26a33ce9bd39621d2ada0a33",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-unstable",
+        "ref": "nixos-23.05",
         "type": "indirect"
       }
     },

flake.nix

@@ -2,7 +2,7 @@
  description = "Bob: The HTML and HTML fragment builder";
 
   # Nixpkgs / NixOS version to use.
-  inputs.nixpkgs.url = "nixpkgs/nixos-unstable";
+  inputs.nixpkgs.url = "nixpkgs/nixos-23.05";
 
   outputs = { self, nixpkgs }:
     let
@@ -10,14 +10,7 @@
       # to work with older version of flakes
       lastModifiedDate = self.lastModifiedDate or self.lastModified or "19700101";
 
-      # Generate a user-friendly version number.
-      #version = builtins.substring 0 8 lastModifiedDate;
-
-
       rootPath = ./.;
-      releaseJson = builtins.fromJSON (builtins.readFile "${rootPath}/release.json");
-      version = releaseJson.version;  
-
 
       # System types to support.
       supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
@@ -39,7 +32,6 @@
         {
           bob = pkgs.buildGoModule {
             pname = "bob";
-            inherit version;
             # In 'nix develop', we don't need a copy of the source tree
             # in the Nix store.
             src = ././source;