=== modified file 'contrib/preseeds_v2/curtin_userdata'
--- contrib/preseeds_v2/curtin_userdata	2016-10-13 15:48:56 +0000
+++ contrib/preseeds_v2/curtin_userdata	2016-10-28 14:34:04 +0000
@@ -24,6 +24,7 @@
   driver_06_depmod: ["curtin", "in-target", "--", "depmod"]
   driver_07_update_initramfs: ["curtin", "in-target", "--", "update-initramfs", "-u"]
 {{endif}}
+  mount_share: curtin in-target -- sh -c "/bin/echo '192.168.1.1:/data /data nfs <options>' >> /etc/fstab"
 
 power_state:
   mode: reboot