new update system

updates.d/20-aur.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+echo "Updating AUR..."
+
+YAY_FLAGS="--noconfirm --answerdiff=None --answeredit=None --answerclean=None"
+
+if ! yay -Sua $YAY_FLAGS 2>/dev/null; then
+    echo "yay -Sua returned an error. Let's rebuild YAY."
+    sudo pacman -R yay
+    cd /tmp
+    git clone https://aur.archlinux.org/yay.git
+    cd yay
+    makepkg -si
+    cd ..
+    rm -rf yay
+    cd
+    yay -Sua $YAY_FLAGS
+else
+    echo "AUR up to date."
+fi