$ git clone -n https://github.com/xcp-ng-rpms/net-snmp.git /var/lib/mock/v8.3-u-pcoval2-10119-28731/root/chroot_tmpdir/scmroot/net-snmp
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10119-28731/root/chroot_tmpdir/scmroot/net-snmp'...
$ git fetch origin accafe808216bb46c858e1326238a05b14123f0e:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/net-snmp
 * [new ref]         accafe808216bb46c858e1326238a05b14123f0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at accafe8 bump release for test build