$ git clone -n https://gitee.com/wency_cn/mtr.git /var/lib/mock/dist-an23-build-490939-74530/root/chroot_tmpdir/scmroot/mtr
Cloning into '/var/lib/mock/dist-an23-build-490939-74530/root/chroot_tmpdir/scmroot/mtr'...
$ git fetch origin 72b918fbf965163c6725a119541e822953607cef:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/mtr
 * [new ref]         72b918fbf965163c6725a119541e822953607cef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72b918f Update code from upstream