$ git clone -n https://gitee.com/opencloudos-stream/bcc.git /var/lib/mock/dist-rebuild-after-rpm-check-build-120258-8634/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-rebuild-after-rpm-check-build-120258-8634/root/chroot_tmpdir/scmroot/bcc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/bcc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 125d721 !6 bcc升级到v0.29.1 Merge pull request !6 from luochenglcs/master