$ git clone -n https://src.fedoraproject.org/rpms/intel-ipsec-mb.git /var/lib/mock/f39-build-2566527-62096/root/chroot_tmpdir/scmroot/intel-ipsec-mb
Cloning into '/var/lib/mock/f39-build-2566527-62096/root/chroot_tmpdir/scmroot/intel-ipsec-mb'...
$ git fetch origin 31a99594e0eb4efb3d6dcfc015b8e8da3771ce6a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/intel-ipsec-mb
 * [new ref]         31a99594e0eb4efb3d6dcfc015b8e8da3771ce6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31a9959 Update to 1.5