feat: add clang-format-lint action

Dockerfile

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+FROM unibeautify/clang-format:latest as clang-format-bin
+FROM python:3-alpine
+
+COPY --from=clang-format-bin /usr/bin/clang-format /usr/bin/
+COPY run-clang-format/run-clang-format.py /run-clang-format.py
+COPY entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

README.md

@@ -1 +1,37 @@
-# clang-format-lint-action
+# clang-format lint action
+
+This action check if the source code matches the .clang-format file.
+
+## Inputs
+
+### `source`
+
+**Required** Where the soruce files are located.
+
+### `exclude`
+
+What folder should be exlcuded from format checking.
+
+### `extensions`
+
+What extensions should be used from format checking.
+
+## Example usage
+
+```yml
+name: test-clang-format
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - uses: ./.github/actions/test-clang-format
+      with:
+        source: '.'
+        exclude: './src'
+        extensions: 'cpp'
+```

action.yml

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+name: 'clang-format lint'
+author: 'DoozyX'
+description: 'Github Action that check if code is formatted correctly using clang-format'
+branding:
+  icon: 'align-left'  
+  color: 'green'
+inputs:
+  source:
+    description: 'Source folder to check formatting'
+    required: false
+    default: '.'
+  exclude:
+    description: 'Folder to exclude from formatting check'
+    required: false
+    default: ''
+  extensions:
+    description: 'List of extensions to check'
+    required: false
+    default: 'c,h,C,H,cpp,hpp,cc,hh,c++,h++,cxx,hxx'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.source }}
+    - ${{ inputs.exclude }}
+    - ${{ inputs.extensions }}

entrypoint.sh

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+#!/bin/sh -l
+
+cd "$GITHUB_WORKSPACE"
+/run-clang-format.py -r --exclude ${INPUT_EXCLUDE} --extensions ${INPUT_EXTENSIONS} ${INPUT_SOURCE}