Adds README explaining how to rebuild.

Removes old sysupdate utility.

README.md

@@ -0,0 +1,19 @@
+# Geeky Gays Server NixOS Configs
+
+To update using latest pushed config:
+
+```bash
+sudo nix flake lock nixconf
+sudo nixos-rebuild boot --flake nixconf
+sudo reboot
+```
+
+To test an update that hasn't been pushed:
+
+```bash
+# Seriously, make a commit first!
+# Even a temporary one that will be ammended before pushing.
+git commit -a
+sudo nixos-rebuild boot --flake .
+sudo reboot
+```

packages/sysupdate/default.nix

@@ -1,28 +0,0 @@
-{
-  pkgs,
-  ...
-}:
-
-pkgs.writeShellApplication {
-  name = "sysupdate";
-
-  runtimeInputs = with pkgs; [
-    nix-output-monitor nixos-rebuild home-manager
-  ];
-
-  text = ''
-    NIXCONF="''${NIXCONF:-/etc/nixos}"
-    echo Building config from flake at: "$NIXCONF" 1>&2
-    if [[ "''${1:-}" == "home" ]]; then
-      home-manager switch -L --flake "$NIXCONF" |& nom
-      exit $?
-    fi
-    if [ "$EUID" -ne 0 ]; then
-      echo Please rerun as root. 1>&2
-      exit 1
-    else
-      nixos-rebuild switch --log-format internal-json -v --flake "$NIXCONF" |& nom --json && \
-      exit $?
-    fi
-  '';
-}