$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-IEEE754.git /var/lib/mock/f45-build-22879-594/root/chroot_tmpdir/scmroot/perl-Data-IEEE754
Cloning into '/var/lib/mock/f45-build-22879-594/root/chroot_tmpdir/scmroot/perl-Data-IEEE754'...
$ git fetch origin e8ea6905af841efdefaa32eab4fc576cd8aefb9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-IEEE754
 * [new ref]         e8ea6905af841efdefaa32eab4fc576cd8aefb9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8ea690 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild