$ git clone -n https://gitee.com/wenyuzifang/rsync.git /var/lib/mock/dist-an23-build-481722-74252/root/chroot_tmpdir/scmroot/rsync
Cloning into '/var/lib/mock/dist-an23-build-481722-74252/root/chroot_tmpdir/scmroot/rsync'...
$ git fetch origin add0da9b680400ee403d923d9b622e08f60fe9e0:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rsync
 * [new ref]         add0da9b680400ee403d923d9b622e08f60fe9e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at add0da9 Update code from upstream