Add pre-commit hook for clang-format

CMakeLists.txt

@@ -14,6 +14,9 @@ include(KDECMakeSettings)
 include(KDEFrameworkCompilerSettings NO_POLICY_SCOPE)
 include(FeatureSummary)
 include(KDEClangFormat)
+if(ECM_VERSION VERSION_GREATER_EQUAL 5.79)
+    include(KDEGitCommitHooks)
+endif()
 
 find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS Core Gui Widgets)
 
@@ -45,5 +48,8 @@ add_subdirectory(doc)
 # add clang-format target for all our real source files
 file(GLOB_RECURSE ALL_CLANG_FORMAT_SOURCE_FILES *.cpp *.h)
 kde_clang_format(${ALL_CLANG_FORMAT_SOURCE_FILES})
+if(ECM_VERSION VERSION_GREATER_EQUAL 5.79)
+    kde_configure_git_pre_commit_hook(CHECKS CLANG_FORMAT)
+endif()
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)