borg throws and warning "Warning: Attempting to access a previously unknown
unencryped repository!\nDo you want to continue?" and then fails while asking
for a manual confirmation. Avoid this by telling borg not to prompt (and confirm
yes).
This commit provides a fix for the issue described here:
https://discuss.freedombox.org/t/how-do-i-restore-freedombox/2022/10
[sunil: Drop the part about handling the error message]
Signed-off-by: Benedek Nagy <contact@nbenedek.me>
Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>
8bafabe2f9