build: fix clang format location helper (again) (#42911)

script/lib/util.py

@@ -194,6 +194,9 @@ def get_buildtools_executable(name):
     chromium_platform = 'linux64'
   else:
     raise Exception(f"Unsupported platform: {sys.platform}")
+  
+  if name == 'clang-format':
+    chromium_platform += '-format'
 
   path = os.path.join(buildtools, chromium_platform, name)
   if sys.platform == 'win32':

script/run-clang-format.py

@@ -23,7 +23,7 @@ import traceback
 import tempfile
 
 from functools import partial
-from lib.util import get_depot_tools_executable
+from lib.util import get_buildtools_executable
 
 DEFAULT_EXTENSIONS = 'c,h,C,H,cpp,hpp,cc,hh,c++,h++,cxx,hxx,mm'
 DEFAULT_CLANG_FORMAT_IGNORE = '.clang-format-ignore'
@@ -203,7 +203,7 @@ def main():
         '--clang-format-executable',
         metavar='EXECUTABLE',
         help='path to the clang-format executable',
-        default=get_depot_tools_executable('clang-format'))
+        default=get_buildtools_executable('clang-format'))
     parser.add_argument(
         '--extensions',
         help='comma-separated list of file extensions'