abstracted host definitions in flake.nix

lib/default.nix

@@ -0,0 +1,17 @@
+{ inputs, username, nixpkgsConfig ? { allowUnfree = true; } }:
+
+let
+  mkHost = import ./mk_host.nix;
+in
+{
+  inherit mkHost;
+  foldHosts = hosts: inputs.nixpkgs.lib.foldl'
+    (acc: host:
+      let result = mkHost ({ inherit inputs username nixpkgsConfig; } // host);
+      in {
+        nixosConfigurations = acc.nixosConfigurations // result.nixosConfigurations;
+        homeConfigurations = acc.homeConfigurations // result.homeConfigurations;
+      })
+    { nixosConfigurations = {}; homeConfigurations = {}; }
+    hosts;
+}