[clang-tidy] Use check_clang_tidy.py instead of check_clang_tidy.sh by default.

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@245586 91177308-0d34-0410-b5e6-96231b3b80d8

clang-tidy/add_new_check.py

@@ -183,7 +183,7 @@ def write_test(module_path, module, check_name):
                           check_name_dashes + '.cpp')
   with open(filename, 'w') as f:
     f.write(
-"""// RUN: $(dirname %%s)/check_clang_tidy.sh %%s %(check_name_dashes)s %%t
+"""// RUN: %%python %%S/check_clang_tidy.py %%s %(check_name_dashes)s %%t
 // REQUIRES: shell
 
 // FIXME: Add something that triggers the check here.