$ git clone -n https://src.fedoraproject.org/rpms/sssd.git /var/lib/mock/f41-build-side-1-2902937-34664/root/chroot_tmpdir/scmroot/sssd
Cloning into '/var/lib/mock/f41-build-side-1-2902937-34664/root/chroot_tmpdir/scmroot/sssd'...
$ git fetch origin 7ca4a54174b35251b37aff035cca7a0ef0ff67ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sssd
 * [new ref]         7ca4a54174b35251b37aff035cca7a0ef0ff67ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ca4a54 Rebuild against Samba 4.21 rebase