$ git clone -n https://src.fedoraproject.org/rpms/sssd.git /var/lib/mock/f41-build-side-1-2771342-32225/root/chroot_tmpdir/scmroot/sssd
Cloning into '/var/lib/mock/f41-build-side-1-2771342-32225/root/chroot_tmpdir/scmroot/sssd'...
$ git fetch origin 0c629c745ca578d7d9212796c0913c43cd75d6ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sssd
 * [new ref]         0c629c745ca578d7d9212796c0913c43cd75d6ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c629c7 sssd-2.10.0~beta2-4: Rebuild for samba-4.21.0-0.4.rc3.fc42