$ git clone -n https://gitee.com/ocs-upgrade/bcc.git /var/lib/mock/dist-ocs23-build-284312-27513/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-ocs23-build-284312-27513/root/chroot_tmpdir/scmroot/bcc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/bcc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78677c5 Upgrade to version 0.31.0