I tested on trusty and that one worked well. Additionally, I tested the thought I had that my deja-dup patch might cause a regression when resuming a full backup. I noted this concern in the bug description after I wrote the patch.
But thankfully, it does not. Resuming full backups work as intended (both initial backup and a later checkpoint backup). And they validate passwords correctly. So, phew.
I tested on trusty and that one worked well. Additionally, I tested the thought I had that my deja-dup patch might cause a regression when resuming a full backup. I noted this concern in the bug description after I wrote the patch.
But thankfully, it does not. Resuming full backups work as intended (both initial backup and a later checkpoint backup). And they validate passwords correctly. So, phew.
Will try to test xenial and yakkety today.