add rebuild command (untested)

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
+  '';
+}