$ git clone -n https://src.fedoraproject.org/rpms/ghc-clock.git /var/lib/mock/f33-build-139107-42311/root/chroot_tmpdir/scmroot/ghc-clock
Cloning into '/var/lib/mock/f33-build-139107-42311/root/chroot_tmpdir/scmroot/ghc-clock'...
$ git reset --hard 16cf3a5adfc9f55685c7ff7eeea5f1d43359af30
HEAD is now at 16cf3a5 update to 0.8