Update nixos, push both nixos and emacs config when syncing

system/home/scripts/shell/sync-git.sh

@@ -1,9 +1,14 @@
+# Update /etc/nixos/
+git -C /etc/nixos/ pull --ff --ff-only
+git -C /etc/nixos/ push
+
 # Clone ~/.config/emacs/ if it doesn't exist, pull otherwise
 EMACS_DIR="${XDG_CONFIG_HOME:-$HOME/.config}/emacs"
 EMACS_URL="https://git.xenia.me.uk/pixelifytica/emacs.git"
 if [ -d "$EMACS_DIR" ]; then
   git -C "$EMACS_DIR" remote set-url origin "$EMACS_URL"
   git -C "$EMACS_DIR" pull --ff --ff-only
+  git -C "$EMACS_DIR" push
 else
   git clone "$EMACS_URL" "$EMACS_DIR"
 fi