$ git clone -n https://gitee.com/zhaohang_mskdxl/device-mapper-multipath.git /var/lib/mock/dist-an8.9-build-388736-72008/root/chroot_tmpdir/scmroot/device-mapper-multipath
Cloning into '/var/lib/mock/dist-an8.9-build-388736-72008/root/chroot_tmpdir/scmroot/device-mapper-multipath'...
$ git reset --hard 2840c80a6701f7e94076606fa7712f7126ac1712
HEAD is now at 2840c80 modify OPTFLAGS for sw_64.