Find clang-format with alternative names

This is similar to what we currently do for scan-build except there is
no environment variable to choose a specific clang-format to run. If an
environment variable is needed for better control, we can add it later.

1 files changed, 10 insertions, 3 deletions

diff --git a/mesonbuild/scripts/clangformat.py b/mesonbuild/scripts/clangformat.py
index 351d06b..4b441de 100644
--- a/mesonbuild/scripts/clangformat.py
+++ b/mesonbuild/scripts/clangformat.py
@@ -16,9 +16,10 @@ import pathlib
 import subprocess
 from concurrent.futures import ThreadPoolExecutor
 
+from ..environment import detect_clangformat
 from ..compilers import lang_suffixes
 
-def clangformat(srcdir_name, builddir_name):
+def clangformat(exelist, srcdir_name, builddir_name):
     srcdir = pathlib.Path(srcdir_name)
     suffixes = set(lang_suffixes['c']).union(set(lang_suffixes['cpp']))
     suffixes.add('h')
@@ -28,11 +29,17 @@ def clangformat(srcdir_name, builddir_name):
             strf = str(f)
             if strf.startswith(builddir_name):
                 continue
-            futures.append(e.submit(subprocess.check_call, ['clang-format', '-style=file', '-i', strf]))
+            futures.append(e.submit(subprocess.check_call, exelist + ['-style=file', '-i', strf]))
         [x.result() for x in futures]
     return 0
 
 def run(args):
     srcdir_name = args[0]
     builddir_name = args[1]
-    return clangformat(srcdir_name, builddir_name)
+
+    exelist = detect_clangformat()
+    if not exelist:
+        print('Could not execute clang-format "%s"' % ' '.join(exelist))
+        return 1
+
+    return clangformat(exelist, srcdir_name, builddir_name)