chore: don't compile protoc under docs/ either (#2156)

* chore: don't compile protoc under docs/ either

* buildifier lint

Author: alexeagle

docs/.bazelrc

@@ -0,0 +1,5 @@
+# Never Compile protoc Again
+# Don't build protoc from the cc_binary, it's slow and spammy when cache miss
+common --per_file_copt=external/.*protobuf.*@--PROTOBUF_WAS_NOT_SUPPOSED_TO_BE_BUILT
+common --host_per_file_copt=external/.*protobuf.*@--PROTOBUF_WAS_NOT_SUPPOSED_TO_BE_BUILT
+common --java_runtime_version=remotejdk_11

docs/MODULE.bazel

@@ -6,3 +6,12 @@ local_path_override(
     module_name = "aspect_rules_js",
     path = "..",
 )
+
+http_jar = use_repo_rule("@bazel_tools//tools/build_defs/repo:http.bzl", "http_jar")
+
+http_jar(
+    name = "stardoc-prebuilt",
+    integrity = "sha256-jDi5ITmziwwiHCsfd8v0UOoraWXIAfICIll+wbpg/vE=",
+    # NB: version matches the stardoc load above
+    urls = ["https://github.com/alexeagle/stardoc-prebuilt/releases/download/v0.6.2/renderer_deploy.jar"],
+)

docs/docs.bzl

@@ -10,7 +10,7 @@ def stardoc_with_diff_test(name, **kwargs):
         Wrapper around stardoc_with_diff_test that only runs the test if Bazel 7 or greater is being used.
     """
     if is_bazel_7_or_greater():
-        _stardoc_with_diff_test(name, **kwargs)
+        _stardoc_with_diff_test(name, renderer = "//tools:stardoc_renderer", **kwargs)
     else:
         # buildifier: disable=print
         print("WARNING: Skipping stardoc_with_diff_test for %s because it requires Bazel 7 or greater" % name)

docs/tools/BUILD.bazel

@@ -0,0 +1,9 @@
+load("@rules_java//java:java_binary.bzl", "java_binary")
+
+package(default_visibility = ["//visibility:public"])
+
+java_binary(
+    name = "stardoc_renderer",
+    main_class = "com/google/devtools/build/stardoc/renderer/RendererMain",
+    runtime_deps = ["@stardoc-prebuilt//jar"],
+)