flakify

default.nix

@@ -1,8 +1,5 @@
 let
-  _pkgs = import (builtins.fetchTarball {
-    url = "https://github.com/NixOS/nixpkgs/archive/71d7a4c037dc4f3e98d5c4a81b941933cf5bf675.tar.gz";
-    sha256 = "sha256:0mz1mrygnpwv87dd0sac32q3m8902ppn9zrkn4wrryljwvvpf60s";
-  }) { config = {}; };
+  _pkgs = import (import ./flake-compat.nix).nixpkgs { config = {}; };
 in
 { pkgs ? _pkgs, ... }:
 {

flake-compat.nix

@@ -0,0 +1,10 @@
+(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

flake.nix

@@ -0,0 +1,12 @@
+{
+  description = "Wharfix examples";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    flake-compat.url = "github:edolstra/flake-compat";
+  };
+
+  outputs = { self, nixpkgs, ... }: {
+    inherit nixpkgs;
+  };
+}