$ git clone -n https://gitee.com/wenyuzifang/slirp4netns.git /var/lib/mock/dist-an23-build-486674-74383/root/chroot_tmpdir/scmroot/slirp4netns
Cloning into '/var/lib/mock/dist-an23-build-486674-74383/root/chroot_tmpdir/scmroot/slirp4netns'...
$ git fetch origin 93533e9f5c43dd6e032573b36390f12404127a16:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/slirp4netns
 * [new ref]         93533e9f5c43dd6e032573b36390f12404127a16 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93533e9 Update code from upstream