$ git clone -n https://src.fedoraproject.org/rpms/ktimer.git /var/lib/mock/f33-build-154604-43359/root/chroot_tmpdir/scmroot/ktimer
Cloning into '/var/lib/mock/f33-build-154604-43359/root/chroot_tmpdir/scmroot/ktimer'...
$ git reset --hard e3b706e5b2566b82638f3d8dca4084ded5dd910e
HEAD is now at e3b706e 19.12.3