Migrate the winclang-format hook to invoke (#26162)

.pre-commit-config.yaml

@@ -55,9 +55,10 @@ repos:
     - id: win-clang-format
       name: win-clang-format
       description: clang-format
-      entry: './tasks/git-hooks/wincpplang.py'
+      entry: 'inv pre-commit.check-winclang-format'
       language: system
       types_or: [c, c++, c#]
+      pass_filenames: false
     - id: clang-format
       name: clang-format
       description: clang-format

tasks/pre_commit.py

@@ -1,3 +1,4 @@
+import os
 import re
 import sys
 
@@ -21,6 +22,28 @@ def update_pyapp_file() -> str:
     return DEVA_PRE_COMMIT_CONFIG
 
 
+@task
+def check_winclang_format(ctx):
+    if os.name != 'nt':  # Don't run on Linux
+        return
+
+    def find_clang_format(search_dirs):
+        for search_dir in search_dirs:
+            for root, _, files in os.walk(search_dir):
+                for basename in files:
+                    if basename == 'clang-format.exe':
+                        return os.path.join(root, basename)
+
+    clang_format_path = os.environ.get('CLANG_FORMAT_PATH')
+    if clang_format_path is None:
+        search_dirs = ['C:/Program Files/Microsoft Visual Studio', 'C:/Program Files (x86)/Microsoft Visual Studio']
+        clang_format_path = find_clang_format(search_dirs)
+
+    print(clang_format_path)
+
+    ctx.run(f'"{clang_format_path}" --dry-run --Werror {",".join(get_staged_files(ctx))}')
+
+
 @task
 def check_set_x(ctx):
     # Select only relevant files