$ git clone -n https://gitee.com/opencloudos-stream/bcc.git /var/lib/mock/dist-ocs23-build-173526-10892/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-ocs23-build-173526-10892/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 4d20b61 !9 add loongarch64 to ExclusiveArch Merge pull request !9 from dpd/master