$ git clone -n https://src.fedoraproject.org/rpms/perl-rdapper.git /var/lib/mock/f45-build-27731-625/root/chroot_tmpdir/scmroot/perl-rdapper
Cloning into '/var/lib/mock/f45-build-27731-625/root/chroot_tmpdir/scmroot/perl-rdapper'...
$ git fetch origin afdfee0923ef840c3ae0704f45c0a742b22a6497:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-rdapper
 * [new ref]         afdfee0923ef840c3ae0704f45c0a742b22a6497 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afdfee0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild