add .clang-format and use mirrors-clang-format

Author: ndgrigorian

.clang-format

@@ -0,0 +1,42 @@
+BasedOnStyle: LLVM
+
+AccessModifierOffset: -4
+
+AlignConsecutiveMacros: true
+AlignConsecutiveBitFields: true
+AlignEscapedNewlines: Right
+
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: Empty
+
+AlwaysBreakTemplateDeclarations: Yes
+
+BinPackParameters: false
+
+BraceWrapping:
+  AfterCaseLabel:  true
+  AfterClass:      true
+  AfterControlStatement: Never
+  AfterEnum:       true
+  AfterFunction:   true
+  AfterNamespace:  true
+  AfterObjCDeclaration: false
+  AfterStruct:     true
+  AfterUnion:      true
+  AfterExternBlock: true
+  BeforeCatch:     false
+  BeforeElse:      true
+  BeforeLambdaBody: false
+  BeforeWhile:     false
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+BreakBeforeBraces: Custom
+
+ColumnLimit:     80
+
+IndentWidth: 4
+IndentWrappedFunctionNames: true
+
+Standard: c++17

.github/workflows/pre-commit.yml

@@ -30,12 +30,5 @@ jobs:
           codespell
           pylint
 
-    - name: Set up clang-format
-      run: |
-        sudo apt-get install -y clang-format-18
-        sudo unlink /usr/bin/clang-format
-        sudo ln -s /usr/bin/clang-format-18 /usr/bin/clang-format
-        clang-format --version
-
     - name: Run pre-commit checks
       uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1

.pre-commit-config.yaml

@@ -49,8 +49,8 @@ repos:
   - id: black
     exclude: "_vendored/conv_template.py"
 
-- repo: https://github.com/pocc/pre-commit-hooks
-  rev: v1.3.5
+- repo: https://github.com/pre-commit/mirrors-clang-format
+  rev: v22.1.0
   hooks:
   - id: clang-format
     args: ["-i"]