$ git clone -n https://gitee.com/opencloudos-stream/libebur128.git /var/lib/mock/dist-oc9-epol-build-82671-57131/root/chroot_tmpdir/scmroot/libebur128
Cloning into '/var/lib/mock/dist-oc9-epol-build-82671-57131/root/chroot_tmpdir/scmroot/libebur128'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libebur128
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d236d8 package init