$ git clone -n https://src.fedoraproject.org/rpms/pax-utils.git /var/lib/mock/f41-build-side-1-2650486-27594/root/chroot_tmpdir/scmroot/pax-utils
Cloning into '/var/lib/mock/f41-build-side-1-2650486-27594/root/chroot_tmpdir/scmroot/pax-utils'...
$ git fetch origin 4c49a7f7ed659455421d8b3f75b24c227c594717:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pax-utils
 * [new ref]         4c49a7f7ed659455421d8b3f75b24c227c594717 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c49a7f convert GPLv2 license to SPDX