$ git clone -n https://gitee.com/opencloudos-stream/anaconda.git /var/lib/mock/dist-ocs23-base-build-296429-28799/root/chroot_tmpdir/scmroot/anaconda
Cloning into '/var/lib/mock/dist-ocs23-base-build-296429-28799/root/chroot_tmpdir/scmroot/anaconda'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/anaconda
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac6d2b8 !9 By default, the installation log are not saved to the new system. Merge pull request !9 from brucezhang/master