$ git clone -n https://src.fedoraproject.org/rpms/perl-MooX-Options.git /var/lib/mock/f41-build-side-1-2788351-32630/root/chroot_tmpdir/scmroot/perl-MooX-Options
Cloning into '/var/lib/mock/f41-build-side-1-2788351-32630/root/chroot_tmpdir/scmroot/perl-MooX-Options'...
$ git fetch origin e88bc726ffa7de885a778063fa4948cf515bf9fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooX-Options
 * [new ref]         e88bc726ffa7de885a778063fa4948cf515bf9fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e88bc72 convert GPL+ or Artistic license to SPDX