$ git clone -n https://src.fedoraproject.org/rpms/python-marshmallow.git /var/lib/mock/f40-build-2069919-49307/root/chroot_tmpdir/scmroot/python-marshmallow
Cloning into '/var/lib/mock/f40-build-2069919-49307/root/chroot_tmpdir/scmroot/python-marshmallow'...
$ git fetch origin 665ecef3918ee242f8977d54b85610e77aaa8ce7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-marshmallow
 * [new ref]         665ecef3918ee242f8977d54b85610e77aaa8ce7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 665ecef remove issue_repository