由于所有时间都存在以下错误，我试图找出如何使用bazel（任何插件）构建Gerrit插件
>>> bazel build commit-message-length-validator
Starting local Bazel server and connecting to it...
.............
ERROR: Skipping 'commit-message-length-validator': error loading package '': Extension file not found. Unable to load package for '//tools/bzl:plugin.bzl': BUILD file not found on package path
WARNING: Target pattern parsing failed.
ERROR: error loading package '': Extension file not found. Unable to load package for '//tools/bzl:plugin.bzl': BUILD file not found on package path
INFO: Elapsed time: 0.665s
INFO: 0 processes.
FAILED: Build did NOT complete successfully (0 packages loaded)
currently loading:
>>> bazel build commit-message-length-validator:commit-message-length-validator
ERROR: Skipping 'commit-message-length-validator:commit-message-length-validator': no such package 'commit-message-length-validator': BUILD file not found on package path
WARNING: Target pattern parsing failed.
ERROR: no such package 'commit-message-length-validator': BUILD file not found on package path
INFO: Elapsed time: 0.209s
INFO: 0 processes.
FAILED: Build did NOT complete successfully (0 packages loaded)
请教这里，以便为此获得某种帮助。
谢谢
Gerrit插件： https://review.openstack.org/Documentation/config-plugins.html