$ git clone -n https://src.fedoraproject.org/rpms/dev86.git /var/lib/mock/f31-build-58937-28516/root/thebuilddir/tmp/scmroot/dev86
Cloning into '/var/lib/mock/f31-build-58937-28516/root/thebuilddir/tmp/scmroot/dev86'...
$ git reset --hard a294de523b85e5047c301d5dfd1432526ec191a5
HEAD is now at a294de5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild