$ git clone -n https://src.fedoraproject.org/rpms/trousers.git /var/lib/mock/f29-build-1619-564/root/thebuilddir/tmp/scmroot/trousers
Cloning into '/var/lib/mock/f29-build-1619-564/root/thebuilddir/tmp/scmroot/trousers'...
$ git reset --hard 9b9be982cb7d9d7eb7efabb363461d2e9423f5f9
HEAD is now at 9b9be98 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild