clang-format-checker-docker

Docker image verifying the code format with clang-format

Getting Started

The following command will mount the current working directory folder to the src working directory, and check its format

docker run --rm -v $(pwd):/src witekio/clang-format-checker

The return code will be

non-zero if any formatting errors are found, and printed in the standard output.
0 if no issue was found

$ docker run -v $(pwd):/src --rm witekio/clang-format-checker                                      2 ↵
--- ./testCode/File.cpp	(original)
+++ ./testCode/File.cpp	(reformatted)
@@ -3,18 +3,13 @@
 
 #include "MyHeader.h"
 
-MyClass::MyClass() 
+MyClass::MyClass()
-    : arg(new Other(std::string("string"), 4))
-  : arg(new Other(std::string("string"), 4))

Changing the style

The style used by clang-format can be defined by providing a .clang-format file in your source folder. For more information, see clang-format style options

Specify the files to check

Check recursively .h/.cpp files excluding vendors folder

docker run --rm -v $(pwd):/src witekio/clang-format-checker "--extensions=h,cpp --exclude vendors"

For more information, you can check run-clang-format repository

License

This project is licensed under the MIT License - see the LICENSE.md file for details

Acknowledgments

This Docker container uses run-clang-format from https://github.com/Sarcasm/run-clang-format

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