$ git clone -n https://src.fedoraproject.org/rpms/perl-Object-Accessor.git /var/lib/mock/f45-build-25478-611/root/chroot_tmpdir/scmroot/perl-Object-Accessor
Cloning into '/var/lib/mock/f45-build-25478-611/root/chroot_tmpdir/scmroot/perl-Object-Accessor'...
$ git fetch origin dd3300439a585dd9a4c3d048d515280326f60d38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Object-Accessor
 * [new ref]         dd3300439a585dd9a4c3d048d515280326f60d38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd33004 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild