$ git clone -n https://gitee.com/src-opencloudos-rpms/docbook-utils.git /var/lib/mock/dist-oc9-build-126980-76405/root/chroot_tmpdir/scmroot/docbook-utils
Cloning into '/var/lib/mock/dist-oc9-build-126980-76405/root/chroot_tmpdir/scmroot/docbook-utils'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/docbook-utils
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4acc01 import docbook-utils-0.6.14-7.tl4