$ git clone -n https://src.fedoraproject.org/rpms/halibut.git /var/lib/mock/f45-build-13317-449/root/chroot_tmpdir/scmroot/halibut
Cloning into '/var/lib/mock/f45-build-13317-449/root/chroot_tmpdir/scmroot/halibut'...
$ git fetch origin 55af698dc7b6bc6d41d9d7e57ea5a733e0a728ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/halibut
 * [new ref]         55af698dc7b6bc6d41d9d7e57ea5a733e0a728ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55af698 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild