$ git clone -n https://gitee.com/zhonglingh/faiss.git /var/lib/mock/dist-an23-epao-build-358071-71130/root/chroot_tmpdir/scmroot/faiss
Cloning into '/var/lib/mock/dist-an23-epao-build-358071-71130/root/chroot_tmpdir/scmroot/faiss'...
$ git fetch origin 2a17162be881e90e1c4b9f2351e9bb8921871793:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/faiss
 * [new ref]         2a17162be881e90e1c4b9f2351e9bb8921871793 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a17162 init from upstream