$ git clone -n https://gitee.com/opencloudos-stream/callaudiod.git /var/lib/mock/dist-oc9-epol-build-90541-59078/root/chroot_tmpdir/scmroot/callaudiod
Cloning into '/var/lib/mock/dist-oc9-epol-build-90541-59078/root/chroot_tmpdir/scmroot/callaudiod'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/callaudiod
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dfd8f0 update