$ git clone -n https://gitee.com/wenyuzifang/tang.git /var/lib/mock/dist-an23-build-486775-74383/root/chroot_tmpdir/scmroot/tang
Cloning into '/var/lib/mock/dist-an23-build-486775-74383/root/chroot_tmpdir/scmroot/tang'...
$ git fetch origin 16e7307563bd3d5df834fd7e9fb4c394de4d8dfd:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/tang
 * [new ref]         16e7307563bd3d5df834fd7e9fb4c394de4d8dfd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16e7307 Update code from upstream