$ git clone -n https://src.fedoraproject.org/rpms/marisa.git /var/lib/mock/f38-build-side-42-init-devel-886968-28489/root/chroot_tmpdir/scmroot/marisa
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-886968-28489/root/chroot_tmpdir/scmroot/marisa'...
$ git fetch origin 7fef5a68965c95a6d7365eb76ef7048b4b18bfd1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/marisa
 * [new ref]         7fef5a68965c95a6d7365eb76ef7048b4b18bfd1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fef5a6 Add BuildRequires python3-setuptools