Add clang format to action

.clang-format

@@ -0,0 +1,58 @@
+---
+Language:        Cpp
+# BasedOnStyle:  LLVM
+AccessModifierOffset: -4
+ConstructorInitializerIndentWidth: 4
+AlignEscapedNewlinesLeft: false
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AlwaysBreakTemplateDeclarations: true
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: false
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BinPackParameters: true
+ColumnLimit:     80
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+DerivePointerAlignment: false
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: false
+IndentWrappedFunctionNames: false
+IndentFunctionDeclarationAfterType: false
+MaxEmptyLinesToKeep: 1
+KeepEmptyLinesAtTheStartOfBlocks: true
+NamespaceIndentation: None
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakString: 1000
+PenaltyBreakFirstLessLess: 120
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Right
+SpacesBeforeTrailingComments: 1
+Cpp11BracedListStyle: true
+Standard:        Cpp11
+IndentWidth:     4
+TabWidth:        4
+UseTab:          Never
+BreakBeforeBraces: Attach
+SpacesInParentheses: false
+SpacesInAngles:  false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+CommentPragmas:  '^ IWYU pragma:'
+ForEachMacros:   [ Q_FOREACH, BOOST_FOREACH ]
+SpaceBeforeParens: ControlStatements
+DisableFormat:   false
+SortIncludes: true
+...
+

.github/workflows/check.yml

@@ -1,16 +1,26 @@
 name: CI
-
 on:
   push:
     branches:
       - master
   pull_request:
     branches:
       - master
-
 jobs:
+  clang-format:
+    name: Check clang-format
+    runs-on: ubuntu-latest
+    container: archlinux:latest
+    steps:
+      - name: Install dependencies
+        run: |
+          pacman -Syu --noconfirm git clang diffutils
+          git config --global --add safe.directory $GITHUB_WORKSPACE
+      - uses: actions/checkout@v4
+      - uses: fcitx/github-actions@clang-format
   check:
     name: Build and test
+    needs: clang-format
     runs-on: ubuntu-latest
     container: archlinux:latest
     strategy:
@@ -37,20 +47,15 @@ jobs:
         uses: actions/cache@v4
         with:
           path: 'fcitx5/**/*.tar.*'
-          key: ${{ runner.os }}-${{ hashFiles('fcitx5/src/modules/spell/CMakeLists.txt') }}
+          key: ${{ runner.os }}-${{ hashFiles('fcitx5/src/modules/spell/CMakeLists.txt')
+            }}
       - name: Build and Install fcitx5
         uses: fcitx/github-actions@cmake
         with:
           path: fcitx5
           cmake-option: >-
-            -DENABLE_KEYBOARD=Off
-            -DENABLE_X11=Off
-            -DENABLE_WAYLAND=Off
-            -DENABLE_ENCHANT=Off
-            -DENABLE_DBUS=Off
-            -DENABLE_SERVER=Off
-            -DENABLE_EMOJI=Off
-            -DUSE_SYSTEMD=Off
+            -DENABLE_KEYBOARD=Off -DENABLE_X11=Off -DENABLE_WAYLAND=Off -DENABLE_ENCHANT=Off
+            -DENABLE_DBUS=Off -DENABLE_SERVER=Off -DENABLE_EMOJI=Off -DUSE_SYSTEMD=Off
       - uses: actions/checkout@v4
         with:
           repository: fcitx/libime