add return value to clang-tidy main

Author: shenxianpeng

.pre-commit-config.yaml

@@ -36,7 +36,7 @@ repos:
 
   # Start: for development testing
   - repo: https://github.com/shenxianpeng/cpp-linter-hooks
-    rev: cf62613fe77f66cc826cbebcf2693bf0872dc764
+    rev: dd98f398f2bc72869a39a9c56d97940408f6d3b4
     hooks:
       - id: clang-format
         args: [--style=Google, --version=13]

README.md

@@ -1,6 +1,7 @@
 # cpp-linter-hooks
 
-[![Test](https://github.com/shenxianpeng/cpp-linter-hooks/actions/workflows/test.yml/badge.svg)](https://github.com/shenxianpeng/cpp-linter-hooks/actions/workflows/test.yml) [![codecov](https://codecov.io/gh/shenxianpeng/cpp-linter-hooks/branch/master/graph/badge.svg?token=L74Z3HZ4Y5)](https://codecov.io/gh/shenxianpeng/cpp-linter-hooks)
+[![Test](https://github.com/shenxianpeng/cpp-linter-hooks/actions/workflows/test.yml/badge.svg)](https://github.com/shenxianpeng/cpp-linter-hooks/actions/workflows/test.yml)
+[![codecov](https://codecov.io/gh/shenxianpeng/cpp-linter-hooks/branch/main/graph/badge.svg?token=L74Z3HZ4Y5)](https://codecov.io/gh/shenxianpeng/cpp-linter-hooks)
 
 Using `clang-format` and `clang-tidy` hooks with [pre-commit](https://pre-commit.com/) to lint your C/C++ code.
 

cpp_linter_hooks/clang_tidy.py

@@ -22,11 +22,13 @@ def run_clang_tidy(args) -> int:
         return 1, e
 
 
-def main():
+def main() -> int:
+    retval = 0
     retval, output = run_clang_tidy(args)
     if retval != 0:
         print(output)
+    return retval
 
 
 if __name__ == "__main__":
-    main()
+    raise SystemExit(main())