nix: Remove package definition

default.nix

@@ -1,14 +1,26 @@
-(
-  import
-  (
-    let
-      lock = builtins.fromJSON (builtins.readFile ./flake.lock);
-    in
-      fetchTarball {
-        url = lock.nodes.flake-compat.locked.url or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
-        sha256 = lock.nodes.flake-compat.locked.narHash;
-      }
-  )
-  {src = ./.;}
-)
-.defaultNix
+# This file provides backward compatibility to nix < 2.4 clients
+{
+  system ? builtins.currentSystem,
+}:
+let
+  lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+
+  root = lock.nodes.${lock.root};
+  inherit (lock.nodes.${root.inputs.flake-compat}.locked)
+    owner
+    repo
+    rev
+    narHash
+    ;
+
+  flake-compat = fetchTarball {
+    url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz";
+    sha256 = narHash;
+  };
+
+  flake = import flake-compat {
+    inherit system;
+    src = ./.;
+  };
+in
+flake.defaultNix

flake.nix

@@ -2,66 +2,34 @@
   description = "High-performance, multiplayer code editor from the creators of Atom and Tree-sitter";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    crane.url = "github:ipetkov/crane";
-    flake-compat.url = "github:edolstra/flake-compat";
+    flake-compat.url = "github:nix-community/flake-compat";
   };
 
   outputs =
-    {
-      nixpkgs,
-      rust-overlay,
-      crane,
-      ...
-    }:
+    { nixpkgs, ... }@inputs:
     let
-      systems = [
-        "x86_64-linux"
-        "x86_64-darwin"
-        "aarch64-linux"
-        "aarch64-darwin"
-      ];
-
-      overlays = {
-        rust-overlay = rust-overlay.overlays.default;
-        rust-toolchain = final: prev: {
-          rustToolchain = final.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
-        };
-        zed-editor = final: prev: {
-          zed-editor = final.callPackage ./nix/build.nix {
-            crane = crane.mkLib final;
-            rustToolchain = final.rustToolchain;
-          };
-        };
-      };
+      overlays = [ inputs.rust-overlay.overlays.default ];
 
-      mkPkgs =
-        system:
-        import nixpkgs {
-          inherit system;
-          overlays = builtins.attrValues overlays;
-        };
-
-      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f (mkPkgs system));
+      forAllSystems =
+        f:
+        nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed (
+          system: f (import nixpkgs { inherit system overlays; })
+        );
     in
     {
-      packages = forAllSystems (pkgs: {
-        zed-editor = pkgs.zed-editor;
-        default = pkgs.zed-editor;
+      packages = forAllSystems (_: {
+        default = throw "Nix package was removed from repo, see PR #22825 for an approach you can use instead";
       });
 
       devShells = forAllSystems (pkgs: {
         default = import ./nix/shell.nix { inherit pkgs; };
       });
 
       formatter = forAllSystems (pkgs: pkgs.nixfmt-rfc-style);
-
-      overlays = overlays // {
-        default = nixpkgs.lib.composeManyExtensions (builtins.attrValues overlays);
-      };
     };
 }