$ git clone -n https://gitee.com/src-opencloudos-rpms/xsimd.git /var/lib/mock/dist-oc9-build-52694-14601/root/chroot_tmpdir/scmroot/xsimd
Cloning into '/var/lib/mock/dist-oc9-build-52694-14601/root/chroot_tmpdir/scmroot/xsimd'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/xsimd
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ecd73af import xsimd-10.0.0-3.tl4