$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-FormFu-MultiForm.git /var/lib/mock/f41-build-side-1-2781505-32531/root/chroot_tmpdir/scmroot/perl-HTML-FormFu-MultiForm
Cloning into '/var/lib/mock/f41-build-side-1-2781505-32531/root/chroot_tmpdir/scmroot/perl-HTML-FormFu-MultiForm'...
$ git fetch origin 3815eb974a0cbb89a7fdc1f306e4d1222e108b56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-FormFu-MultiForm
 * [new ref]         3815eb974a0cbb89a7fdc1f306e4d1222e108b56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3815eb9 convert GPL+ or Artistic license to SPDX