$ git clone -n https://gitee.com/ocs-bot/bcel.git /var/lib/mock/dist-ocs23-build-113823-7533/root/chroot_tmpdir/scmroot/bcel
Cloning into '/var/lib/mock/dist-ocs23-build-113823-7533/root/chroot_tmpdir/scmroot/bcel'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/bcel
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fcbf0fb Upgrade to version 6.8.0