$ git clone -n https://gitee.com/src-opencloudos-rpms/dnsmasq.git /var/lib/mock/dist-oc8-build-249239-83801/root/chroot_tmpdir/scmroot/dnsmasq
Cloning into '/var/lib/mock/dist-oc8-build-249239-83801/root/chroot_tmpdir/scmroot/dnsmasq'...
$ git fetch origin f9668f9757f265139230ba3dcabb27cef8972bf9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/dnsmasq
 * [new ref]         f9668f9757f265139230ba3dcabb27cef8972bf9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9668f9 import dnsmasq-2.79-37.tl3