$ git clone -n https://src.fedoraproject.org/rpms/kdesdk-thumbnailers.git /var/lib/mock/f31-build-56816-28262/root/thebuilddir/tmp/scmroot/kdesdk-thumbnailers
Cloning into '/var/lib/mock/f31-build-56816-28262/root/thebuilddir/tmp/scmroot/kdesdk-thumbnailers'...
$ git reset --hard b6f5c93bbbd0a28fc2a3670fad5401a675cce120
HEAD is now at b6f5c93 19.04.3