Prefer clang-format-14 (#1517)

* Change preferred clang version to 14 (for formatting)

* Add `--show-paths` arg to format.py for printing paths to clang-* binaries used

* Run formatter (clang-format-14)

* run formatter

1 files changed, 15 insertions, 2 deletions

diff --git a/format.py b/format.py
index 826a70783..51b7b6ac7 100755
--- a/format.py
+++ b/format.py
@@ -14,8 +14,8 @@ from typing import List
 
 
 # clang-format, clang-tidy and clang-apply-replacements default version
-# Version 11 is used when available for more consistency between contributors
-CLANG_VER = 11
+# This specific version is used when available, for more consistency between contributors
+CLANG_VER = 14
 
 # Clang-Format options (see .clang-format for rules applied)
 FORMAT_OPTS = "-i -style=file"
@@ -144,6 +144,12 @@ def format_files(src_files: List[str], extra_files: List[str], nb_jobs: int):
 
 def main():
     parser = argparse.ArgumentParser(description="Format files in the codebase to enforce most style rules")
+    parser.add_argument(
+        "--show-paths",
+        dest="show_paths",
+        action="store_true",
+        help="Print the paths to the clang-* binaries used",
+    )
     parser.add_argument("files", metavar="file", nargs="*")
     parser.add_argument(
         "-j",
@@ -155,6 +161,13 @@ def main():
     )
     args = parser.parse_args()
 
+    if args.show_paths:
+        import shutil
+
+        print("CLANG_FORMAT             ->", shutil.which(CLANG_FORMAT))
+        print("CLANG_TIDY               ->", shutil.which(CLANG_TIDY))
+        print("CLANG_APPLY_REPLACEMENTS ->", shutil.which(CLANG_APPLY_REPLACEMENTS))
+
     nb_jobs = args.jobs or multiprocessing.cpu_count()
     if nb_jobs > 1:
         if CLANG_APPLY_REPLACEMENTS is None: