$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-Entities.git /var/lib/mock/f45-build-27474-624/root/chroot_tmpdir/scmroot/perl-XML-Entities
Cloning into '/var/lib/mock/f45-build-27474-624/root/chroot_tmpdir/scmroot/perl-XML-Entities'...
$ git fetch origin db59138fed10822b3a1441c0573e14eb385376f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-Entities
 * [new ref]         db59138fed10822b3a1441c0573e14eb385376f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db59138 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild