$ git clone -n https://gitee.com/zhonglingh/python-yacs.git /var/lib/mock/dist-an23-epao-build-346896-70160/root/chroot_tmpdir/scmroot/python-yacs
Cloning into '/var/lib/mock/dist-an23-epao-build-346896-70160/root/chroot_tmpdir/scmroot/python-yacs'...
$ git fetch origin 6a8e435f644af34e94206d786a3ae28a1becff1f:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/python-yacs
 * [new ref]         6a8e435f644af34e94206d786a3ae28a1becff1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a8e435 init from upstream