Add module_extension et all

Author: fmeum

src/main/java/com/google/devtools/build/docgen/SymbolFamilies.java

@@ -21,6 +21,7 @@
 import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider;
 import com.google.devtools.build.lib.util.Classpath.ClassPathException;
 import com.google.devtools.build.skydoc.fakebuildapi.FakeStarlarkNativeModuleApi;
+import com.google.devtools.build.skydoc.fakebuildapi.repository.FakeRepositoryModule;
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -114,6 +115,7 @@ private ImmutableMap<String, Object> collectBzlGlobals(ConfiguredRuleClassProvid
     // annotations, whereas the real "native" object is just a bare struct.
     ImmutableMap.Builder<String, Object> env = ImmutableMap.builder();
     env.put("native", new FakeStarlarkNativeModuleApi());
+    Starlark.addMethods(env, new FakeRepositoryModule(ImmutableList.of()));
     for (Map.Entry<String, Object> entry :
         provider.getBazelStarlarkEnvironment().getUninjectedBuildBzlEnv().entrySet()) {
       if (entry.getKey().equals("native")) {

src/test/java/com/google/devtools/build/lib/BuiltinProtoSmokeTest.java

@@ -30,7 +30,7 @@ public static void loadProto() throws IOException {
   }
 
   @Test
-  public void hasGlobalCallableFromEachApiContext() {
+  public void wellKnownCallablesAreDocumented() {
     assertThat(
             builtins.getGlobalList().stream()
                 .filter(BuiltinProtos.Value::hasCallable)
@@ -40,6 +40,7 @@ public void hasGlobalCallableFromEachApiContext() {
             "range", BuiltinProtos.ApiContext.ALL,
             "glob", BuiltinProtos.ApiContext.BUILD,
             "DefaultInfo", BuiltinProtos.ApiContext.BZL,
+            "module_extension", BuiltinProtos.ApiContext.BZL,
             "bazel_dep", BuiltinProtos.ApiContext.MODULE);
   }
 }