$ git clone -n https://gitee.com/wenyuzifang/xsimd.git /var/lib/mock/dist-an23-build-472799-74118/root/chroot_tmpdir/scmroot/xsimd
Cloning into '/var/lib/mock/dist-an23-build-472799-74118/root/chroot_tmpdir/scmroot/xsimd'...
$ git fetch origin ab00ec82ba886c19e95dbc124c79db6f36ead3dd:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/xsimd
 * [new ref]         ab00ec82ba886c19e95dbc124c79db6f36ead3dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab00ec8 Update code from upstream