$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-Iterator.git /var/lib/mock/f41-build-side-1-2905239-34713/root/chroot_tmpdir/scmroot/perl-MooseX-Iterator
Cloning into '/var/lib/mock/f41-build-side-1-2905239-34713/root/chroot_tmpdir/scmroot/perl-MooseX-Iterator'...
$ git fetch origin e4262436755d15298535ee9722501c36e66ee9df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-Iterator
 * [new ref]         e4262436755d15298535ee9722501c36e66ee9df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e426243 convert GPL+ or Artistic license to SPDX