#protobuf #rust Build gencode files when building a rust_proto_library target

from the command line.

PiperOrigin-RevId: 613167071

rust/defs.bzl

@@ -70,6 +70,7 @@ def _rust_proto_library_impl(ctx):
         dep_variant_info.crate_info,
         dep_variant_info.dep_info,
         dep_variant_info.cc_info,
+        DefaultInfo(files = dep_variant_info.crate_info.srcs),
     ]
 
 def _make_rust_proto_library(is_upb):

rust/test/rust_proto_library_unit_test/rust_proto_library_unit_test.bzl

@@ -2,6 +2,7 @@
 
 load("@bazel_skylib//lib:unittest.bzl", "analysistest", "asserts")
 load("//rust:aspects.bzl", "RustProtoInfo")
+load("//rust:defs.bzl", "rust_cc_proto_library", "rust_upb_proto_library")
 load("@rules_cc//cc:defs.bzl", "cc_proto_library")
 load(":defs.bzl", "ActionsInfo", "attach_cc_aspect", "attach_upb_aspect")
 
@@ -168,6 +169,43 @@ def _test_cc_aspect():
 
 ####################################################################################################
 
+def _rust_outputs_test_impl(ctx):
+    env = analysistest.begin(ctx)
+    target_under_test = analysistest.target_under_test(env)
+
+    label_to_file = {
+        "child_rust_cc_proto": "child.c.pb.rs",
+        "child_rust_upb_proto": "child.u.pb.rs",
+    }
+    expected_output = label_to_file[target_under_test.label.name]
+    asserts.true(env, target_under_test.files.to_list()[0].path.endswith(expected_output))
+
+    return analysistest.end(env)
+
+rust_outputs_test = analysistest.make(_rust_outputs_test_impl)
+
+def _test_cc_outputs():
+    rust_cc_proto_library(
+        name = "child_rust_cc_proto",
+        deps = [":child_proto"],
+    )
+
+    rust_outputs_test(
+        name = "rust_cc_outputs_test",
+        target_under_test = ":child_rust_cc_proto",
+    )
+
+def _test_upb_outputs():
+    rust_upb_proto_library(
+        name = "child_rust_upb_proto",
+        deps = [":child_proto"],
+    )
+
+    rust_outputs_test(
+        name = "rust_upb_outputs_test",
+        target_under_test = ":child_rust_upb_proto",
+    )
+
 def rust_proto_library_unit_test(name):
     """Sets up rust_proto_library_unit_test test suite.
 
@@ -196,11 +234,15 @@ def rust_proto_library_unit_test(name):
 
     _test_upb_aspect()
     _test_cc_aspect()
+    _test_cc_outputs()
+    _test_upb_outputs()
 
     native.test_suite(
         name = name,
         tests = [
             ":rust_upb_aspect_test",
             ":rust_cc_aspect_test",
+            ":rust_cc_outputs_test",
+            ":rust_upb_outputs_test",
         ],
     )