$ git clone -n https://src.fedoraproject.org/rpms/kronosnet.git /var/lib/mock/f42-build-side-1-3517501-46096/root/chroot_tmpdir/scmroot/kronosnet
Cloning into '/var/lib/mock/f42-build-side-1-3517501-46096/root/chroot_tmpdir/scmroot/kronosnet'...
$ git fetch origin cb85d723cce968d8f50fdb3ab01544754e4d0c82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kronosnet
 * [new ref]         cb85d723cce968d8f50fdb3ab01544754e4d0c82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb85d72 New upstream release v1.31