phantom: add script to update, fmt

hosts/phantom/vpsadminos.nix

@@ -13,7 +13,8 @@ let
     "1.1.1.1"
     "2606:4700:4700::1111"
   ];
-in {
+in
+{
   networking.nameservers = mkDefault nameservers;
   services.resolved = mkDefault { fallbackDns = nameservers; };
   networking.dhcpcd.extraConfig = "noipv4ll";
@@ -21,7 +22,7 @@ in {
   systemd.services.systemd-sysctl.enable = false;
   systemd.services.systemd-oomd.enable = false;
   systemd.sockets."systemd-journald-audit".enable = false;
-  systemd.mounts = [ {where = "/sys/kernel/debug"; enable = false;} ];
+  systemd.mounts = [{ where = "/sys/kernel/debug"; enable = false; }];
   systemd.services.rpc-gssd.enable = false;
 
   # Due to our restrictions in /sys, the default systemd-udev-trigger fails

switch-phantom

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+nix fmt
+
+git diff
+
+nixos-rebuild switch --flake .#phantom \
+  --update-input nixpkgs \
+  --no-write-lock-file \
+  --build-host phantom \
+  --target-host phantom \
+  "$@"