$ git clone -n https://gitee.com/src-opencloudos-rpms/libvpx.git /var/lib/mock/dist-oc8-build-166365-79769/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/dist-oc8-build-166365-79769/root/chroot_tmpdir/scmroot/libvpx'...
$ git fetch origin 5bc7cdb4a6ad30a871b21f1d57f6d43505ba8ad6:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libvpx
 * [new ref]         5bc7cdb4a6ad30a871b21f1d57f6d43505ba8ad6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5bc7cdb import libvpx-1.7.0-12.tl3.ap.1