$ git clone -n https://gitee.com/opencloudos-stream/daala.git /var/lib/mock/dist-oc9-epol-build-90670-59090/root/chroot_tmpdir/scmroot/daala
Cloning into '/var/lib/mock/dist-oc9-epol-build-90670-59090/root/chroot_tmpdir/scmroot/daala'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/daala
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82d2298 package init