$ git clone -n https://src.fedoraproject.org/rpms/perl-DBIx-Class-Schema-Diff.git /var/lib/mock/f41-build-side-1-2931588-35142/root/chroot_tmpdir/scmroot/perl-DBIx-Class-Schema-Diff
Cloning into '/var/lib/mock/f41-build-side-1-2931588-35142/root/chroot_tmpdir/scmroot/perl-DBIx-Class-Schema-Diff'...
$ git fetch origin d3cc461f80beedc683f1fa5385fa0c89fbfc8ec8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBIx-Class-Schema-Diff
 * [new ref]         d3cc461f80beedc683f1fa5385fa0c89fbfc8ec8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3cc461 convert GPL+ or Artistic license to SPDX