add rebuild command (untested)

nixos/shared/packages/default.nix

@@ -6,7 +6,19 @@
   pkgs,
   ...
 }: {
+  nixpkgs = {
+    # You can add overlays here
+    overlays = [
+      # Add overlays your own flake exports (from overlays and pkgs dir):
+      outputs.overlays.additions
+      outputs.overlays.modifications
+    ];
+  };
+
   environment.systemPackages = with pkgs; [
+    # Custom tools
+    rebuild
+
     # System tools
     age
     alejandra

pkgs/default.nix

@@ -4,4 +4,5 @@ pkgs: {
   dvd = pkgs.callPackage ./dvd {};
   dvt = pkgs.callPackage ./dvt {};
   servo = pkgs.callPackage ./servo {};
+  rebuild = pkgs.callPackage ./rebuild {};
 }

pkgs/rebuild/default.nix

@@ -0,0 +1,27 @@
+{
+  lib,
+  stdenv,
+  writeShellApplication,
+}:
+writeShellApplication
+{
+  name = "rebuild";
+
+  runtimeInputs = [];
+
+  text = ''
+    # A rebuild script for NixOS
+    set -e
+    pushd /tmp
+    git clone forgejo@git.lillianviolet.dev:Lillian-Violet/NixOS-Config.git ./rebuild
+    $hostname=$(hostname)
+    pushd ./rebuild
+    echo "NixOS Rebuilding..."
+    sudo nixos-rebuild switch --flake #$hostname &>nixos-switch.log || (cat nixos-switch.log | grep --color error && false)
+    popd
+    echo "Cleaning up repository in tmp..."
+    rm -rf ./rebuild
+    popd
+    notify-send -e "NixOS Rebuilt OK!" --icon=software-update-available
+  '';
+}