$ git clone -n https://src.fedoraproject.org/rpms/perl-Object-Realize-Later.git /var/lib/mock/f45-build-25483-611/root/chroot_tmpdir/scmroot/perl-Object-Realize-Later
Cloning into '/var/lib/mock/f45-build-25483-611/root/chroot_tmpdir/scmroot/perl-Object-Realize-Later'...
$ git fetch origin ed12173ffb2910b350116a12dabcd563ae007ef7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Object-Realize-Later
 * [new ref]         ed12173ffb2910b350116a12dabcd563ae007ef7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed12173 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild