Add cmake target for cmake-format & cmake-lint (#1909)

* Add cmake target for cmake-format

Everybody likes clean CMake files...

* cmake-lint, cleanup

CMakeLists.txt

@@ -259,6 +259,7 @@ if($ENV{ENABLE_GCOV_COVERAGE})
 endif()
 
 include(clang-tools)
+include(cmakelang-tools)
 
 set(AUTHORS "Fabian Froehlich, Jan Hasenauer, Daniel Weindl and Paul Stapor")
 set(AUTHOR_EMAIL "[email protected]")

cmake/cmakelang-tools.cmake

@@ -0,0 +1,41 @@
+# --- Add targets for cmake-format https://cmake-format.readthedocs.io/ ---
+
+# Find all CMakeFiles files
+set(ALL_CMAKE_FILES
+    CMakeLists.txt
+    python/CMakeLists.txt
+    swig/CMakeLists.txt
+    tests/cpp/CMakeLists.txt
+    tests/cpp/unittests/CMakeLists.txt
+    ${CMAKE_MODULE_PATH}/cmakelang-tools.cmake
+    ${CMAKE_MODULE_PATH}/clang-tools.cmake
+    ${CMAKE_MODULE_PATH}/version.cmake)
+list(JOIN ALL_CMAKE_FILES " " ALL_CMAKE_FILES)
+
+# --- cmake-format ---
+
+# Try to find cmake-format and add target if successful
+find_program(CMAKE_FORMAT "cmake-format")
+if(CMAKE_FORMAT)
+  add_custom_target(
+    cmake-format
+    COMMAND bash -c "${CMAKE_FORMAT} -i ${ALL_CMAKE_FILES}"
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    COMMENT "Running cmake-format")
+else()
+  message(STATUS "cmake-format was not found")
+endif()
+
+# --- cmake-lint ---
+
+# Try to find cmake-lint and add target if successful
+find_program(CMAKE_LINT "cmake-lint")
+if(CMAKE_LINT)
+  add_custom_target(
+    cmake-lint
+    COMMAND bash -c "${CMAKE_LINT} ${ALL_CMAKE_FILES}"
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    COMMENT "Running cmake-lint")
+else()
+  message(STATUS "cmake-lint was not found")
+endif()