valkyrie: add new host + some changes

configurations/host/materusPC/default.nix

@@ -5,6 +5,7 @@
 
       ./hardware
 
+      ./scripts.nix
       ./tmp.nix
       ./network.nix
     ];

configurations/host/materusPC/hardware/filesystem.nix

@@ -17,7 +17,7 @@
 
   fileSystems."/etc/nixos" =
     {
-      device = "/materus/Nix/Nixerus";
+      device = "/materus/config/Nixerus";
       fsType = "none";
       options = [ "bind" ];
     };

configurations/host/materusPC/scripts.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, lib, inputs, materusFlake, ... }:
+let
+valkyrie-sync = pkgs.writeShellScriptBin "valkyrie-sync" ''
+${pkgs.rsync}/bin/rsync -avzrh --delete --exclude ".git*" --exclude "flake.lock" /materus/config/Nixerus materus@valkyrie:/materus/config/ && \
+${pkgs.rsync}/bin/rsync -avzrh --delete --exclude ".git*" /materus/config/valkyrie materus@valkyrie:/materus/config/
+'';
+
+valkyrie-flakelock = pkgs.writeShellScriptBin "valkyrie-flakelock" ''
+${pkgs.openssh}/bin/ssh materus@valkyrie "nix flake update /materus/config/Nixerus --override-input nixpkgs github:NixOS/nixpkgs/23.05 \
+ --override-input home-manager github:nix-community/home-manager/release-23.05 \
+ --override-input private /materus/config/valkyrie/flake"
+'';
+
+
+in
+{ 
+  environment.systemPackages = [
+    valkyrie-sync
+    valkyrie-flakelock
+    ];
+}