Fix Bazel 7.7.1 compatibility for git shallow_since and clang-tidy

.bazelrc

@@ -58,7 +58,8 @@ build:clang-tsan --linkopt -fsanitize=thread
 build:clang-tsan --test_env=TSAN_OPTIONS=suppressions=bazel/tsan_suppressions.txt
 
 # Use Clang-Tidy tool.
-build:clang-tidy --config=clang
+build:clang-tidy --action_env=CC=clang-18
+build:clang-tidy --action_env=CXX=clang++-18
 build:clang-tidy --aspects @bazel_clang_tidy//clang_tidy:clang_tidy.bzl%clang_tidy_aspect
 build:clang-tidy --@bazel_clang_tidy//:clang_tidy_config=@proxy_wasm_cpp_host//:clang_tidy_config
 build:clang-tidy --output_groups=report

bazel/external/bazel_clang_tidy.patch

@@ -1,15 +1,20 @@
 # 1. Treat .h files as C++ headers.
+# 2. Remove -stdlib=libc++ to use system libstdc++ for clang-tidy compatibility.
 
 diff --git a/clang_tidy/clang_tidy.bzl b/clang_tidy/clang_tidy.bzl
-index 3a5ed07..5db5c6c 100644
+index 3a5ed07..e9f6072 100644
 --- a/clang_tidy/clang_tidy.bzl
 +++ b/clang_tidy/clang_tidy.bzl
-@@ -16,6 +16,9 @@ def _run_tidy(ctx, exe, flags, compilation_context, infile, discriminator):
+@@ -16,6 +16,13 @@ def _run_tidy(ctx, exe, flags, compilation_context, infile, discriminator):
      # add source to check
      args.add(infile.path)
 
 +    # treat .h files as C++ headers
 +    args.add("--extra-arg-before=-xc++")
++    
++    # Use system libstdc++ instead of hermetic libc++ for clang-tidy
++    # This ensures compatibility with system clang-tidy-18
++    args.add("--extra-arg=-stdlib=libstdc++")
 +
      # start args passed to the compiler
      args.add("--")

bazel/external/rules_rust.patch

@@ -13,3 +13,27 @@ index bfd96ed9..d7e38658 100644
          # These rules are not supposed to be depended on by other rust targets, and
          # as such they shouldn't provide a CrateInfo. However, one may still want to
          # write a rust_test for them, so we provide the CrateInfo wrapped in a provider
+
+# Fix dummy CC toolchain for Bazel 7.7+
+# The DUMMY_GCC_TOOL needs to be an actual executable, not a path
+
+diff --git a/rust/private/dummy_cc_toolchain/BUILD.bazel b/rust/private/dummy_cc_toolchain/BUILD.bazel
+index 0d5f5f5d..8e8b9b9d 100644
+--- a/rust/private/dummy_cc_toolchain/BUILD.bazel
++++ b/rust/private/dummy_cc_toolchain/BUILD.bazel
+@@ -8,7 +8,7 @@ filegroup(
+
+ sh_binary(
+     name = "dummy_gcc_tool",
+-    srcs = ["DUMMY_GCC_TOOL"],
++    srcs = ["dummy_gcc_tool.sh"],
+ )
+
+ cc_toolchain(
+diff --git a/rust/private/dummy_cc_toolchain/dummy_gcc_tool.sh b/rust/private/dummy_cc_toolchain/dummy_gcc_tool.sh
+new file mode 100644
+index 00000000..f1f641af
+--- /dev/null
++++ b/rust/private/dummy_cc_toolchain/dummy_gcc_tool.sh
+@@ -0,0 +1 @@
++#!/bin/bash

bazel/repositories.bzl

@@ -180,7 +180,7 @@ def proxy_wasm_cpp_host_repositories():
         # 13.8.258.26
         commit = "de9d0f8b56ae61896e4d2ac577fc589efb14f87d",
         remote = "https://chromium.googlesource.com/v8/v8",
-        shallow_since = "1752074621 -0400",
+        shallow_since = "1752074621",
         patches = [
             "@proxy_wasm_cpp_host//bazel/external:v8.patch",
         ],