$ git clone -n https://src.fedoraproject.org/rpms/kdesdk-thumbnailers.git /var/lib/mock/f33-build-135935-41825/root/chroot_tmpdir/scmroot/kdesdk-thumbnailers
Cloning into '/var/lib/mock/f33-build-135935-41825/root/chroot_tmpdir/scmroot/kdesdk-thumbnailers'...
$ git reset --hard 8e36406e7abbeb9a6cfe795e7233cf28f540ffad
HEAD is now at 8e36406 19.12.3