Enable userconf-pi on first boot

export-image/02-set-sources/01-run.sh

@@ -0,0 +1,9 @@
+#!/bin/bash -e
+
+rm -f "${ROOTFS_DIR}/etc/apt/apt.conf.d/51cache"
+find "${ROOTFS_DIR}/var/lib/apt/lists/" -type f -delete
+on_chroot << EOF
+apt-get update
+apt-get -y dist-upgrade
+apt-get clean
+EOF