$ git clone -n https://gitee.com/src-anolis-os/bcc.git /var/lib/mock/dist-an23.3-build-440552-73152/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/dist-an23.3-build-440552-73152/root/chroot_tmpdir/scmroot/bcc'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/bcc
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e43666c add support for RISC-V build