$ git clone -n https://gitee.com/opencloudos-stream/octave-doctest.git /var/lib/mock/dist-oc9-epol-build-76740-52590/root/chroot_tmpdir/scmroot/octave-doctest
Cloning into '/var/lib/mock/dist-oc9-epol-build-76740-52590/root/chroot_tmpdir/scmroot/octave-doctest'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/octave-doctest
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7e9ff0 package init