$ git clone -n https://gitee.com/rabbitali/ldns.git /var/lib/mock/dist-an23-build-490816-74530/root/chroot_tmpdir/scmroot/ldns
Cloning into '/var/lib/mock/dist-an23-build-490816-74530/root/chroot_tmpdir/scmroot/ldns'...
$ git fetch origin 6c80be7d9fdcd16a97cd6570ea69cefbd783a6ca:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/ldns
 * [new ref]         6c80be7d9fdcd16a97cd6570ea69cefbd783a6ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c80be7 Update code from upstream