$ git clone -n https://gitee.com/wency_cn/libvpx_1770972593.git /var/lib/mock/dist-an23-build-514529-75110/root/chroot_tmpdir/scmroot/libvpx_1770972593
Cloning into '/var/lib/mock/dist-an23-build-514529-75110/root/chroot_tmpdir/scmroot/libvpx_1770972593'...
$ git fetch origin 03351138cedb0667cb5103e61e0e96d60828b8c3:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libvpx_1770972593
 * [new ref]         03351138cedb0667cb5103e61e0e96d60828b8c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0335113 Update code from upstream