$ git clone -n https://gitee.com/wenyuzifang/xsimd.git /var/lib/mock/dist-an23-build-486799-74383/root/chroot_tmpdir/scmroot/xsimd
Cloning into '/var/lib/mock/dist-an23-build-486799-74383/root/chroot_tmpdir/scmroot/xsimd'...
$ git fetch origin 3711bf6e7b54747744e680c2566c5294764b4fca:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/xsimd
 * [new ref]         3711bf6e7b54747744e680c2566c5294764b4fca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3711bf6 Update code from upstream