diff --git a/.clang-format-ignore b/.clang-format-ignore
new file mode 100644
index 0000000..62c8b2c
--- /dev/null
+++ b/.clang-format-ignore
@@ -0,0 +1,7 @@
+# Exclude third party and vendored code
+**/third_party/**
+src/gn/starlark/vendor/**
+
+# Exclude generated FFI bridge files
+src/gn/ffi/bridge.cc
+src/gn/ffi/bridge.h
diff --git a/src/gn/ffi/bridge.cc b/src/gn/ffi/bridge.cc
index 81988fc..1346937 100644
--- a/src/gn/ffi/bridge.cc
+++ b/src/gn/ffi/bridge.cc
@@ -1,5 +1,12 @@
 // This file is generated by src/gn/ffi/update_bridge.sh. Do not edit manually.
 // Source: src/gn/ffi/starlark/crates/ffi/src/bridge.rs
+#include "gn/ffi/test_with_scope.h"
+#include "gn/label.h"
+#include "gn/output_file.h"
+#include "gn/scope.h"
+#include "gn/settings.h"
+#include "gn/source_dir.h"
+#include "gn/test_with_scope.h"
 #include <array>
 #include <cstddef>
 #include <cstdint>
@@ -8,13 +15,6 @@
 #include <string>
 #include <type_traits>
 #include <utility>
-#include "gn/ffi/test_with_scope.h"
-#include "gn/label.h"
-#include "gn/output_file.h"
-#include "gn/scope.h"
-#include "gn/settings.h"
-#include "gn/source_dir.h"
-#include "gn/test_with_scope.h"
 #if __cplusplus >= 201703L
 #include <string_view>
 #endif
@@ -23,8 +23,8 @@
 #pragma GCC diagnostic ignored "-Wmissing-declarations"
 #ifdef __clang__
 #pragma clang diagnostic ignored "-Wdollar-in-identifier-extension"
-#endif  // __clang__
-#endif  // __GNUC__
+#endif // __clang__
+#endif // __GNUC__
 
 namespace rust {
 inline namespace cxxbridge1 {
@@ -33,55 +33,55 @@
 namespace {
 template <typename T>
 class impl;
-}  // namespace
+} // namespace
 
 class String;
 
 #ifndef CXXBRIDGE1_RUST_STR
 #define CXXBRIDGE1_RUST_STR
 class Str final {
- public:
+public:
   Str() noexcept;
-  Str(const String&) noexcept;
-  Str(const std::string&);
-  Str(const char*);
-  Str(const char*, std::size_t);
+  Str(const String &) noexcept;
+  Str(const std::string &);
+  Str(const char *);
+  Str(const char *, std::size_t);
 #if __cplusplus >= 201703L
   Str(std::string_view s) : Str(s.data(), s.size()) {}
 #endif
 
-  Str& operator=(const Str&) & noexcept = default;
+  Str &operator=(const Str &) & noexcept = default;
 
   explicit operator std::string() const;
 #if __cplusplus >= 201703L
   explicit operator std::string_view() const;
 #endif
 
-  const char* data() const noexcept;
+  const char *data() const noexcept;
   std::size_t size() const noexcept;
   std::size_t length() const noexcept;
   bool empty() const noexcept;
 
-  Str(const Str&) noexcept = default;
+  Str(const Str &) noexcept = default;
   ~Str() noexcept = default;
 
-  using iterator = const char*;
-  using const_iterator = const char*;
+  using iterator = const char *;
+  using const_iterator = const char *;
   const_iterator begin() const noexcept;
   const_iterator end() const noexcept;
   const_iterator cbegin() const noexcept;
   const_iterator cend() const noexcept;
 
-  bool operator==(const Str&) const noexcept;
-  bool operator!=(const Str&) const noexcept;
-  bool operator<(const Str&) const noexcept;
-  bool operator<=(const Str&) const noexcept;
-  bool operator>(const Str&) const noexcept;
-  bool operator>=(const Str&) const noexcept;
+  bool operator==(const Str &) const noexcept;
+  bool operator!=(const Str &) const noexcept;
+  bool operator<(const Str &) const noexcept;
+  bool operator<=(const Str &) const noexcept;
+  bool operator>(const Str &) const noexcept;
+  bool operator>=(const Str &) const noexcept;
 
-  void swap(Str&) noexcept;
+  void swap(Str &) noexcept;
 
- private:
+private:
   class uninit;
   Str(uninit) noexcept;
   friend impl<Str>;
@@ -90,15 +90,11 @@
 };
 
 #if __cplusplus >= 201703L
-inline Str cxx_to_rust(std::string_view view) {
-  return Str(view);
-}
+inline Str cxx_to_rust(std::string_view view) { return Str(view); }
 #endif
 
-inline Str cxx_to_rust(const std::string& s) {
-  return Str(s);
-}
-#endif  // CXXBRIDGE1_RUST_STR
+inline Str cxx_to_rust(const std::string &s) { return Str(s); }
+#endif // CXXBRIDGE1_RUST_STR
 
 #ifndef CXXBRIDGE1_IS_COMPLETE
 #define CXXBRIDGE1_IS_COMPLETE
@@ -108,26 +104,20 @@
 struct is_complete : std::false_type {};
 template <typename T>
 struct is_complete<T, decltype(sizeof(T))> : std::true_type {};
-}  // namespace
-}  // namespace detail
-#endif  // CXXBRIDGE1_IS_COMPLETE
+} // namespace
+} // namespace detail
+#endif // CXXBRIDGE1_IS_COMPLETE
 
 namespace {
-template <bool>
-struct deleter_if {
-  template <typename T>
-  void operator()(T*) {}
+template <bool> struct deleter_if {
+  template <typename T> void operator()(T *) {}
 };
-template <>
-struct deleter_if<true> {
-  template <typename T>
-  void operator()(T* ptr) {
-    ptr->~T();
-  }
+template <> struct deleter_if<true> {
+  template <typename T> void operator()(T *ptr) { ptr->~T(); }
 };
-}  // namespace
-}  // namespace cxxbridge1
-}  // namespace rust
+} // namespace
+} // namespace cxxbridge1
+} // namespace rust
 
 using OutputFile = ::OutputFile;
 using SourceDir = ::SourceDir;
@@ -137,86 +127,62 @@
 using TestWithScope = ::TestWithScope;
 
 extern "C" {
-void cxxbridge1$196$OutputFile$value(::OutputFile const& self,
-                                     ::rust::Str* return$) noexcept {
+void cxxbridge1$196$OutputFile$value(::OutputFile const &self, ::rust::Str *return$) noexcept {
   std::string_view (::OutputFile::*value$)() const = &::OutputFile::value;
-  new (return$)::rust::Str(::rust::cxx_to_rust((self.*value$)()));
+  new (return$) ::rust::Str(::rust::cxx_to_rust((self.*value$)()));
 }
 
-void cxxbridge1$196$SourceDir$SourceWithNoTrailingSlash(
-    ::SourceDir const& self,
-    ::rust::Str* return$) noexcept {
-  std::string_view (::SourceDir::*SourceWithNoTrailingSlash$)() const =
-      &::SourceDir::SourceWithNoTrailingSlash;
-  new (return$)::rust::Str(
-      ::rust::cxx_to_rust((self.*SourceWithNoTrailingSlash$)()));
+void cxxbridge1$196$SourceDir$SourceWithNoTrailingSlash(::SourceDir const &self, ::rust::Str *return$) noexcept {
+  std::string_view (::SourceDir::*SourceWithNoTrailingSlash$)() const = &::SourceDir::SourceWithNoTrailingSlash;
+  new (return$) ::rust::Str(::rust::cxx_to_rust((self.*SourceWithNoTrailingSlash$)()));
 }
 
-void cxxbridge1$196$Label$dir(::Label const& self,
-                              ::SourceDir const** return$) noexcept {
-  ::SourceDir const& (::Label::*dir$)() const = &::Label::dir;
-  new (return$)::SourceDir const*(&(self.*dir$)());
+void cxxbridge1$196$Label$dir(::Label const &self, ::SourceDir const **return$) noexcept {
+  ::SourceDir const &(::Label::*dir$)() const = &::Label::dir;
+  new (return$) ::SourceDir const *(&(self.*dir$)());
 }
 
-void cxxbridge1$196$Label$name(::Label const& self,
-                               ::rust::Str* return$) noexcept {
+void cxxbridge1$196$Label$name(::Label const &self, ::rust::Str *return$) noexcept {
   const std::string& (::Label::*name$)() const = &::Label::name;
-  new (return$)::rust::Str(::rust::cxx_to_rust((self.*name$)()));
+  new (return$) ::rust::Str(::rust::cxx_to_rust((self.*name$)()));
 }
 
-void cxxbridge1$196$Settings$toolchain_label(::Settings const& self,
-                                             ::Label const** return$) noexcept {
-  ::Label const& (::Settings::*toolchain_label$)() const =
-      &::Settings::toolchain_label;
-  new (return$)::Label const*(&(self.*toolchain_label$)());
+void cxxbridge1$196$Settings$toolchain_label(::Settings const &self, ::Label const **return$) noexcept {
+  ::Label const &(::Settings::*toolchain_label$)() const = &::Settings::toolchain_label;
+  new (return$) ::Label const *(&(self.*toolchain_label$)());
 }
 
-::Settings const* cxxbridge1$196$Scope$settings_cxx(
-    ::Scope const& self) noexcept {
-  ::Settings const* (::Scope::*settings_cxx$)() const = &::Scope::settings;
+::Settings const *cxxbridge1$196$Scope$settings_cxx(::Scope const &self) noexcept {
+  ::Settings const *(::Scope::*settings_cxx$)() const = &::Scope::settings;
   return (self.*settings_cxx$)();
 }
 
-::TestWithScope* cxxbridge1$196$NewTestWithScope() noexcept {
-  ::std::unique_ptr<::TestWithScope> (*NewTestWithScope$)() =
-      ::NewTestWithScope;
+::TestWithScope *cxxbridge1$196$NewTestWithScope() noexcept {
+  ::std::unique_ptr<::TestWithScope> (*NewTestWithScope$)() = ::NewTestWithScope;
   return NewTestWithScope$().release();
 }
 
-::Scope* cxxbridge1$196$TestWithScope$scope_cxx(
-    ::TestWithScope& self) noexcept {
-  ::Scope* (::TestWithScope::*scope_cxx$)() = &::TestWithScope::scope;
+::Scope *cxxbridge1$196$TestWithScope$scope_cxx(::TestWithScope &self) noexcept {
+  ::Scope *(::TestWithScope::*scope_cxx$)() = &::TestWithScope::scope;
   return (self.*scope_cxx$)();
 }
 
-static_assert(::rust::detail::is_complete<
-                  ::std::remove_extent<::TestWithScope>::type>::value,
-              "definition of `::TestWithScope` is required");
-static_assert(sizeof(::std::unique_ptr<::TestWithScope>) == sizeof(void*), "");
-static_assert(alignof(::std::unique_ptr<::TestWithScope>) == alignof(void*),
-              "");
-void cxxbridge1$unique_ptr$TestWithScope$null(
-    ::std::unique_ptr<::TestWithScope>* ptr) noexcept {
-  ::new (ptr)::std::unique_ptr<::TestWithScope>();
+static_assert(::rust::detail::is_complete<::std::remove_extent<::TestWithScope>::type>::value, "definition of `::TestWithScope` is required");
+static_assert(sizeof(::std::unique_ptr<::TestWithScope>) == sizeof(void *), "");
+static_assert(alignof(::std::unique_ptr<::TestWithScope>) == alignof(void *), "");
+void cxxbridge1$unique_ptr$TestWithScope$null(::std::unique_ptr<::TestWithScope> *ptr) noexcept {
+  ::new (ptr) ::std::unique_ptr<::TestWithScope>();
 }
-void cxxbridge1$unique_ptr$TestWithScope$raw(
-    ::std::unique_ptr<::TestWithScope>* ptr,
-    ::std::unique_ptr<::TestWithScope>::pointer raw) noexcept {
-  ::new (ptr)::std::unique_ptr<::TestWithScope>(raw);
+void cxxbridge1$unique_ptr$TestWithScope$raw(::std::unique_ptr<::TestWithScope> *ptr, ::std::unique_ptr<::TestWithScope>::pointer raw) noexcept {
+  ::new (ptr) ::std::unique_ptr<::TestWithScope>(raw);
 }
-::std::unique_ptr<::TestWithScope>::element_type const*
-cxxbridge1$unique_ptr$TestWithScope$get(
-    ::std::unique_ptr<::TestWithScope> const& ptr) noexcept {
+::std::unique_ptr<::TestWithScope>::element_type const *cxxbridge1$unique_ptr$TestWithScope$get(::std::unique_ptr<::TestWithScope> const &ptr) noexcept {
   return ptr.get();
 }
-::std::unique_ptr<::TestWithScope>::pointer
-cxxbridge1$unique_ptr$TestWithScope$release(
-    ::std::unique_ptr<::TestWithScope>& ptr) noexcept {
+::std::unique_ptr<::TestWithScope>::pointer cxxbridge1$unique_ptr$TestWithScope$release(::std::unique_ptr<::TestWithScope> &ptr) noexcept {
   return ptr.release();
 }
-void cxxbridge1$unique_ptr$TestWithScope$drop(
-    ::std::unique_ptr<::TestWithScope>* ptr) noexcept {
-  ::rust::deleter_if<::rust::detail::is_complete<::TestWithScope>::value>{}(
-      ptr);
+void cxxbridge1$unique_ptr$TestWithScope$drop(::std::unique_ptr<::TestWithScope> *ptr) noexcept {
+  ::rust::deleter_if<::rust::detail::is_complete<::TestWithScope>::value>{}(ptr);
 }
-}  // extern "C"
+} // extern "C"
diff --git a/src/gn/ffi/bridge.h b/src/gn/ffi/bridge.h
index d56352b..39ec711 100644
--- a/src/gn/ffi/bridge.h
+++ b/src/gn/ffi/bridge.h
@@ -1,10 +1,6 @@
 // This file is generated by src/gn/ffi/update_bridge.sh. Do not edit manually.
 // Source: src/gn/ffi/starlark/crates/ffi/src/bridge.rs
 #pragma once
-#include <array>
-#include <cstdint>
-#include <memory>
-#include <string>
 #include "gn/ffi/test_with_scope.h"
 #include "gn/label.h"
 #include "gn/output_file.h"
@@ -12,6 +8,10 @@
 #include "gn/settings.h"
 #include "gn/source_dir.h"
 #include "gn/test_with_scope.h"
+#include <array>
+#include <cstdint>
+#include <memory>
+#include <string>
 #if __cplusplus >= 201703L
 #include <string_view>
 #endif
@@ -23,55 +23,55 @@
 namespace {
 template <typename T>
 class impl;
-}  // namespace
+} // namespace
 
 class String;
 
 #ifndef CXXBRIDGE1_RUST_STR
 #define CXXBRIDGE1_RUST_STR
 class Str final {
- public:
+public:
   Str() noexcept;
-  Str(const String&) noexcept;
-  Str(const std::string&);
-  Str(const char*);
-  Str(const char*, std::size_t);
+  Str(const String &) noexcept;
+  Str(const std::string &);
+  Str(const char *);
+  Str(const char *, std::size_t);
 #if __cplusplus >= 201703L
   Str(std::string_view s) : Str(s.data(), s.size()) {}
 #endif
 
-  Str& operator=(const Str&) & noexcept = default;
+  Str &operator=(const Str &) & noexcept = default;
 
   explicit operator std::string() const;
 #if __cplusplus >= 201703L
   explicit operator std::string_view() const;
 #endif
 
-  const char* data() const noexcept;
+  const char *data() const noexcept;
   std::size_t size() const noexcept;
   std::size_t length() const noexcept;
   bool empty() const noexcept;
 
-  Str(const Str&) noexcept = default;
+  Str(const Str &) noexcept = default;
   ~Str() noexcept = default;
 
-  using iterator = const char*;
-  using const_iterator = const char*;
+  using iterator = const char *;
+  using const_iterator = const char *;
   const_iterator begin() const noexcept;
   const_iterator end() const noexcept;
   const_iterator cbegin() const noexcept;
   const_iterator cend() const noexcept;
 
-  bool operator==(const Str&) const noexcept;
-  bool operator!=(const Str&) const noexcept;
-  bool operator<(const Str&) const noexcept;
-  bool operator<=(const Str&) const noexcept;
-  bool operator>(const Str&) const noexcept;
-  bool operator>=(const Str&) const noexcept;
+  bool operator==(const Str &) const noexcept;
+  bool operator!=(const Str &) const noexcept;
+  bool operator<(const Str &) const noexcept;
+  bool operator<=(const Str &) const noexcept;
+  bool operator>(const Str &) const noexcept;
+  bool operator>=(const Str &) const noexcept;
 
-  void swap(Str&) noexcept;
+  void swap(Str &) noexcept;
 
- private:
+private:
   class uninit;
   Str(uninit) noexcept;
   friend impl<Str>;
@@ -80,17 +80,13 @@
 };
 
 #if __cplusplus >= 201703L
-inline Str cxx_to_rust(std::string_view view) {
-  return Str(view);
-}
+inline Str cxx_to_rust(std::string_view view) { return Str(view); }
 #endif
 
-inline Str cxx_to_rust(const std::string& s) {
-  return Str(s);
-}
-#endif  // CXXBRIDGE1_RUST_STR
-}  // namespace cxxbridge1
-}  // namespace rust
+inline Str cxx_to_rust(const std::string &s) { return Str(s); }
+#endif // CXXBRIDGE1_RUST_STR
+} // namespace cxxbridge1
+} // namespace rust
 
 using OutputFile = ::OutputFile;
 using SourceDir = ::SourceDir;
diff --git a/tools/run_formatter.sh b/tools/run_formatter.sh
index 82bdd5b..23466b1 100755
--- a/tools/run_formatter.sh
+++ b/tools/run_formatter.sh
@@ -18,8 +18,7 @@
   CLANG_FORMAT="./clang/bin/clang-format"
 fi
 
-git ls-files | egrep '\.(h|cc)$' | grep -Ev 'third_party|vendor' |\
-    xargs "$CLANG_FORMAT" $opts
+git ls-files | egrep '\.(h|cc)$' | xargs "$CLANG_FORMAT" $opts
 
 if command -v cargo >/dev/null 2>&1; then
   cargo_cmd="cargo"