$ git clone -n https://gitee.com/opencloudos-stream/libvdpau-va-gl.git /var/lib/mock/dist-oc9-epol-build-92698-59340/root/chroot_tmpdir/scmroot/libvdpau-va-gl
Cloning into '/var/lib/mock/dist-oc9-epol-build-92698-59340/root/chroot_tmpdir/scmroot/libvdpau-va-gl'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libvdpau-va-gl
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45fdbdf package init