$ git clone -n https://gitee.com/opencloudos-stream/octave-interval.git /var/lib/mock/dist-oc9-epol-build-83713-57226/root/chroot_tmpdir/scmroot/octave-interval
Cloning into '/var/lib/mock/dist-oc9-epol-build-83713-57226/root/chroot_tmpdir/scmroot/octave-interval'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/octave-interval
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e7b71e package init