$ git clone -n https://src.fedoraproject.org/rpms/opendnssec.git /var/lib/mock/f45-build-21027-577/root/chroot_tmpdir/scmroot/opendnssec
Cloning into '/var/lib/mock/f45-build-21027-577/root/chroot_tmpdir/scmroot/opendnssec'...
$ git fetch origin d051ca907c274826e16c5d964d96c3246ec95d0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opendnssec
 * [new ref]         d051ca907c274826e16c5d964d96c3246ec95d0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d051ca9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild