flake: expose packages

flake.lock

@@ -16,6 +16,22 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1623875721,
+        "narHash": "sha256-A8BU7bjS5GirpAUv4QA+QnJ4CceLHkcXdRp4xITDB0s=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "f7e004a55b120c02ecb6219596820fcd32ca8772",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "ref": "master",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -72,6 +88,7 @@
     "root": {
       "inputs": {
         "emacs-overlay": "emacs-overlay",
+        "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable"

flake.nix

@@ -29,6 +29,13 @@
       ref = "release-21.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    flake-utils = {
+      type = "github";
+      owner = "numtide";
+      repo = "flake-utils";
+      ref = "master";
+    };
   };
 
   outputs = { self, nixpkgs, home-manager, ... } @inputs: {
@@ -112,5 +119,9 @@
         };
 
       };
-  };
+  } // inputs.flake-utils.lib.eachDefaultSystem (system: {
+    packages =
+      inputs.flake-utils.lib.flattenTree
+        (import ./pkgs { pkgs = import nixpkgs { inherit system; }; });
+  });
 }