$ git clone -n https://gitee.com/src-opencloudos-rpms/juniversalchardet.git /var/lib/mock/dist-oc9-build-61563-16463/root/chroot_tmpdir/scmroot/juniversalchardet
Cloning into '/var/lib/mock/dist-oc9-build-61563-16463/root/chroot_tmpdir/scmroot/juniversalchardet'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/juniversalchardet
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83df2ed import juniversalchardet-2.4.0-3.tl4