$ git clone -n https://src.fedoraproject.org/rpms/perl-Moose-Autobox.git /var/lib/mock/f41-build-side-1-2781594-32531/root/chroot_tmpdir/scmroot/perl-Moose-Autobox
Cloning into '/var/lib/mock/f41-build-side-1-2781594-32531/root/chroot_tmpdir/scmroot/perl-Moose-Autobox'...
$ git fetch origin dff3ec37bc3de6cac9fb826ab14d1fdbbacab73b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Moose-Autobox
 * [new ref]         dff3ec37bc3de6cac9fb826ab14d1fdbbacab73b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dff3ec3 convert GPL+ or Artistic license to SPDX