$ git clone -n https://src.fedoraproject.org/rpms/tree.git /var/lib/mock/f31-build-59930-28672/root/thebuilddir/tmp/scmroot/tree
Cloning into '/var/lib/mock/f31-build-59930-28672/root/thebuilddir/tmp/scmroot/tree'...
$ git reset --hard 1f59a402cdda9649de07876c1844723c7e4d3905
HEAD is now at 1f59a40 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild