$ git clone -n https://src.fedoraproject.org/rpms/ghc-clock.git /var/lib/mock/f41-build-837469-159153/root/chroot_tmpdir/scmroot/ghc-clock
Cloning into '/var/lib/mock/f41-build-837469-159153/root/chroot_tmpdir/scmroot/ghc-clock'...
$ git reset --hard b940f628f8898c7929b39730d9515cb3bab995c6
HEAD is now at b940f62 bump release