$ git clone -n https://src.fedoraproject.org/rpms/librcd.git /var/lib/mock/f31-build-59404-28580/root/thebuilddir/tmp/scmroot/librcd
Cloning into '/var/lib/mock/f31-build-59404-28580/root/thebuilddir/tmp/scmroot/librcd'...
$ git reset --hard 871b702a01e2d8f5f2d054093ea4036b81bbb210
HEAD is now at 871b702 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild