$ git clone -n https://gitee.com/wenyuzifang/xsimd.git /var/lib/mock/dist-an23-build-481835-74252/root/chroot_tmpdir/scmroot/xsimd
Cloning into '/var/lib/mock/dist-an23-build-481835-74252/root/chroot_tmpdir/scmroot/xsimd'...
$ git fetch origin 5532b67d40c0a3988cf4a6035372670964aac3b6:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/xsimd
 * [new ref]         5532b67d40c0a3988cf4a6035372670964aac3b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5532b67 Update code from upstream