$ git clone -n https://gitee.com/wency_cn/dnsmasq_1767622928.git /var/lib/mock/dist-an23-build-503656-74854/root/chroot_tmpdir/scmroot/dnsmasq_1767622928
Cloning into '/var/lib/mock/dist-an23-build-503656-74854/root/chroot_tmpdir/scmroot/dnsmasq_1767622928'...
$ git fetch origin ae66afcc7bac10f25119c8cf93f3c61751bf8604:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/dnsmasq_1767622928
 * [new ref]         ae66afcc7bac10f25119c8cf93f3c61751bf8604 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae66afc Update code from upstream