$ git clone -n https://github.com/xcp-ng-rpms/ldns.git /var/lib/mock/v8.3-u-pcoval2-9965-28638/root/chroot_tmpdir/scmroot/ldns
Cloning into '/var/lib/mock/v8.3-u-pcoval2-9965-28638/root/chroot_tmpdir/scmroot/ldns'...
$ git fetch origin 827af552f47799f7ba3982430f4711614cb68453:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/ldns
 * [new ref]         827af552f47799f7ba3982430f4711614cb68453 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 827af55 bump release for test build