Add pre-commit hook for clang-format

CMakeLists.txt

@@ -21,6 +21,9 @@ include(KDECompilerSettings NO_POLICY_SCOPE)
 include(ECMQtDeclareLoggingCategory)
 include(KDEClangFormat)
 include(FeatureSummary)
+if(ECM_VERSION VERSION_GREATER_EQUAL 5.79)
+    include(KDEGitCommitHooks)
+endif()
 
 find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS Gui Core)
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
@@ -53,5 +56,8 @@ install(FILES org.kde.plasma.disks.metainfo.xml DESTINATION ${KDE_INSTALL_METAIN
 # add clang-format target for all our real source files
 file(GLOB_RECURSE ALL_CLANG_FORMAT_SOURCE_FILES *.cpp *.h)
 kde_clang_format(${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)