Use flake-utils

1 files changed, 12 insertions, 13 deletions

diff --git a/flake.nix b/flake.nix
index 386b141..73a59bc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,21 +1,20 @@
-# Derived from https://github.com/ryantm/agenix/blob/1381a759b205dff7a6818733118d02253340fd5e/flake.nix
-
 {
   description = "A temporary PostgreSQL server";
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    systems.url = "github:nix-systems/default";
+    flake-utils.url = "github:numtide/flake-utils";
   };
 
-  outputs = { self, nixpkgs, systems }:
-  let
-    eachSystem = nixpkgs.lib.genAttrs (import systems);
-  in {
-    overlays.default = import ./overlay.nix;
-    packages = eachSystem (system: {
-      temp-postgres = nixpkgs.legacyPackages.${system}.callPackage ./temp-postgres.nix {};
-      default = self.packages.${system}.temp-postgres;
-    });
-  };
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        overlays.default = import ./overlay.nix;
+        packages = {
+          temp-postgres = pkgs.callPackage ./temp-postgres.nix {};
+          default = self.packages.${system}.temp-postgres;
+        };
+      }
+    );
 }