$ git clone -n https://github.com/xcp-ng-rpms/lldpd.git /var/lib/mock/v8.3-incoming-11437-29736/root/chroot_tmpdir/scmroot/lldpd
Cloning into '/var/lib/mock/v8.3-incoming-11437-29736/root/chroot_tmpdir/scmroot/lldpd'...
$ git fetch origin da6abf4f7c83a369c6cb93869d882906ca26e90a:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/lldpd
 * [new ref]         da6abf4f7c83a369c6cb93869d882906ca26e90a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da6abf4 Rebuild on updated net-snmp