$ git clone -n https://gitee.com/wenyuzifang/yelp.git /var/lib/mock/dist-an23-build-444163-73188/root/chroot_tmpdir/scmroot/yelp
Cloning into '/var/lib/mock/dist-an23-build-444163-73188/root/chroot_tmpdir/scmroot/yelp'...
$ git fetch origin cf7e7af6427de04e7ba9b542bc17bd214d931c10:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/yelp
 * [new ref]         cf7e7af6427de04e7ba9b542bc17bd214d931c10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf7e7af Update code from upstream