$ git clone -n https://src.fedoraproject.org/rpms/openfortivpn.git /var/lib/mock/f41-build-side-1-2650056-27558/root/chroot_tmpdir/scmroot/openfortivpn
Cloning into '/var/lib/mock/f41-build-side-1-2650056-27558/root/chroot_tmpdir/scmroot/openfortivpn'...
$ git fetch origin f1bb0e2aed14e5eb9460f2db80242b632d26cc1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openfortivpn
 * [new ref]         f1bb0e2aed14e5eb9460f2db80242b632d26cc1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1bb0e2 convert GPLv3+ license to SPDX