whoops. THIS should get a working overlayfs, fingers crossed

extra/pre-build.d/etc/mkinitcpio.d/linux.preset

@@ -0,0 +1,15 @@
+# mkinitcpio preset file for the 'linux' package
+
+ALL_config="/etc/mkinitcpio.conf"
+ALL_kver="/boot/vmlinuz-linux"
+
+#PRESETS=('default' 'fallback')
+PRESETS=('default')
+
+#default_config="/etc/mkinitcpio.conf"
+default_image="/boot/initramfs-linux.img"
+#default_options=""
+
+#fallback_config="/etc/mkinitcpio.conf"
+#fallback_image="/boot/initramfs-linux-fallback.img"
+#fallback_options="-S autodetect"