$ git clone -n https://src.fedoraproject.org/rpms/hwk.git /var/lib/mock/f40-build-2086466-50134/root/chroot_tmpdir/scmroot/hwk
Cloning into '/var/lib/mock/f40-build-2086466-50134/root/chroot_tmpdir/scmroot/hwk'...
$ git fetch origin 39343cb1418c6e9e198c52ff947b98116b54733d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hwk
 * [new ref]         39343cb1418c6e9e198c52ff947b98116b54733d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39343cb bump release