URL:
https://github.com/SSSD/sssd/pull/534
Title: #534: test_ca: add empty index.txt.attr file
jhrozek commented:
"""
* master: 86c06c3b3d1cb4f590bcd951939bf3ef0001c4d3
"""
See the full comment at
https://github.com/SSSD/sssd/pull/534#issuecomment-373358236