URL:
https://github.com/SSSD/sssd/pull/103
Title: #103: sudo: do not store usn if no rules are found
lslebodn commented:
"""
Jakub reviewed
https://fedorahosted.org/sssd/ticket/2970 and overlooked such small issue.
:-)
we should let him to review it one more time
"""
See the full comment at
https://github.com/SSSD/sssd/pull/103#issuecomment-264887362