resize image to minimum

Author: samfreund

mount_rubikpi3.sh

@@ -182,6 +182,8 @@ sudo umount rootfs/proc || true
 sudo umount rootfs/tmp/build/ || true
 sudo umount rootfs || true
 
+resize2fs -f "$ROOTFS_IMG" || true
+
 # More aggressive loop device cleanup
 if [ -n "$LOOP_DEV" ]; then
   sudo losetup -d "$LOOP_DEV" || true