bazelbuild · UebelAndre · May 14, 2026
diff --git a/.bazelci/presubmit.yml b/.bazelci/presubmit.yml
@@ -684,19 +684,19 @@ tasks:
     test_targets:
       - "//..."
 
-  # --- using_cxx (linux + macos only, C++ codegen platform issues) ---
-  cu_integ_using_cxx_ubuntu2204:
-    name: Crate Universe - using_cxx
+  # --- external_annotations (linux + macos only, C++ codegen platform issues) ---
+  cu_integ_ext_annotations_ubuntu2204:
+    name: Crate Universe - external_annotations
     platform: ubuntu2204
-    working_directory: crate_universe/tests/integration/using_cxx
+    working_directory: crate_universe/tests/integration/ext_annotations
     build_targets:
       - "//..."
     test_targets:
       - "//..."
-  cu_integ_using_cxx_macos:
-    name: Crate Universe - using_cxx
+  cu_integ_ext_annotations_macos:
+    name: Crate Universe - external_annotations
     platform: macos_arm64
-    working_directory: crate_universe/tests/integration/using_cxx
+    working_directory: crate_universe/tests/integration/ext_annotations
     build_targets:
       - "//..."
     test_targets:

diff --git a/...erse/tests/integration/using_cxx/.bazelrc → ...ests/integration/ext_annotations/.bazelrc b/...erse/tests/integration/using_cxx/.bazelrc → ...ests/integration/ext_annotations/.bazelrc
diff --git a/...e/tests/integration/using_cxx/BUILD.bazel → ...s/integration/ext_annotations/BUILD.bazel b/...e/tests/integration/using_cxx/BUILD.bazel → ...s/integration/ext_annotations/BUILD.bazel
@@ -9,7 +9,7 @@ rust_binary(
     deps = [
         ":blobstore-sys",
         ":bridge",
-        "@using_cxx//:cxx",
+        "@ext_annotations//:cxx",
     ],
 )
 
@@ -34,7 +34,7 @@ cc_library(
     name = "blobstore-include",
     hdrs = ["include/blobstore.h"],
     copts = ["-std=c++17"],
-    deps = ["@using_cxx//:cxx_cc"],
+    deps = ["@ext_annotations//:cxx_cc"],
 )
 
 rust_test(

diff --git a/...ts/integration/using_cxx/Cargo.Bazel.lock → ...egration/ext_annotations/Cargo.Bazel.lock b/...ts/integration/using_cxx/Cargo.Bazel.lock → ...egration/ext_annotations/Cargo.Bazel.lock
diff --git a/.../tests/integration/using_cxx/MODULE.bazel → .../integration/ext_annotations/MODULE.bazel b/.../tests/integration/using_cxx/MODULE.bazel → .../integration/ext_annotations/MODULE.bazel
@@ -1,5 +1,5 @@
 module(
-    name = "cu_test_using_cxx",
+    name = "cu_test_external_annotations",
     version = "0.0.0",
 )
 
@@ -19,24 +19,24 @@ register_toolchains("@rust_toolchains//:all")
 
 http_archive = use_repo_rule("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-using_cxx = use_extension("@rules_rust//crate_universe:extensions.bzl", "crate")
-using_cxx.spec(
+ext_annotations = use_extension("@rules_rust//crate_universe:extensions.bzl", "crate")
+ext_annotations.spec(
     package = "cxx",
-    repositories = ["using_cxx"],
+    repositories = ["ext_annotations"],
     version = "1.0.194",
 )
-using_cxx.splicing_config(
-    repositories = ["using_cxx"],
+ext_annotations.splicing_config(
+    repositories = ["ext_annotations"],
     resolver_version = "2",
 )
-using_cxx.from_specs(
-    name = "using_cxx",
+ext_annotations.from_specs(
+    name = "ext_annotations",
     cargo_lockfile = "//:Cargo.Bazel.lock",
     lockfile = "//:cargo-bazel-lock.json",
 )
 use_repo(
-    using_cxx,
-    "using_cxx",
+    ext_annotations,
+    "ext_annotations",
 )
 
 http_archive(

diff --git a/...sts/integration/using_cxx/WORKSPACE.bazel → ...tegration/ext_annotations/WORKSPACE.bazel b/...sts/integration/using_cxx/WORKSPACE.bazel → ...tegration/ext_annotations/WORKSPACE.bazel
diff --git a/...tegration/using_cxx/cargo-bazel-lock.json → ...ion/ext_annotations/cargo-bazel-lock.json b/...tegration/using_cxx/cargo-bazel-lock.json → ...ion/ext_annotations/cargo-bazel-lock.json
diff --git a/...ration/using_cxx/cxxbridge-cmd.Cargo.lock → .../ext_annotations/cxxbridge-cmd.Cargo.lock b/...ration/using_cxx/cxxbridge-cmd.Cargo.lock → .../ext_annotations/cxxbridge-cmd.Cargo.lock
diff --git a/...g_cxx/cxxbridge-cmd.cargo-bazel-lock.json → ...tions/cxxbridge-cmd.cargo-bazel-lock.json b/...g_cxx/cxxbridge-cmd.cargo-bazel-lock.json → ...tions/cxxbridge-cmd.cargo-bazel-lock.json
@@ -1,5 +1,5 @@
 {
-  "checksum": "c5a140bbdaef02d845d7bdcf5dddec8f4bf226a633df2cc387505a9ecbbbe12e",
+  "checksum": "d0fc74ea5fdb97c4b30b32c3912956275741e263efd34056282cb274cb86bbcb",
   "crates": {
     "anstyle 1.0.1": {
       "name": "anstyle",

diff --git a/...integration/using_cxx/include/blobstore.h → ...ation/ext_annotations/include/blobstore.h b/...integration/using_cxx/include/blobstore.h → ...ation/ext_annotations/include/blobstore.h
diff --git a/...integration/using_cxx/rust_cxx_bridge.bzl → ...ation/ext_annotations/rust_cxx_bridge.bzl b/...integration/using_cxx/rust_cxx_bridge.bzl → ...ation/ext_annotations/rust_cxx_bridge.bzl
diff --git a/...ts/integration/using_cxx/src/blobstore.cc → ...egration/ext_annotations/src/blobstore.cc b/...ts/integration/using_cxx/src/blobstore.cc → ...egration/ext_annotations/src/blobstore.cc
diff --git a/...e/tests/integration/using_cxx/src/main.rs → ...s/integration/ext_annotations/src/main.rs b/...e/tests/integration/using_cxx/src/main.rs → ...s/integration/ext_annotations/src/main.rs