$ git clone -n https://gitee.com/src-anolis-os/system-lsb.git /var/lib/mock/dist-an8.9-build-403068-72401/root/chroot_tmpdir/scmroot/system-lsb
Cloning into '/var/lib/mock/dist-an8.9-build-403068-72401/root/chroot_tmpdir/scmroot/system-lsb'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/system-lsb
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68b23b6 add sw support.