build(lint): check uncrustify version #19468

This to prevent the user from accidentally using the wrong uncrustify
version.

cmake/CheckUncrustifyVersion.cmake

@@ -0,0 +1,13 @@
+if(UNCRUSTIFY_PRG)
+  execute_process(COMMAND uncrustify --version
+    OUTPUT_VARIABLE user_version
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+  string(REGEX REPLACE "[A-Za-z_#-]" "" user_version ${user_version})
+
+  file(STRINGS ${CONFIG_FILE} required_version LIMIT_COUNT 1)
+  string(REGEX REPLACE "[A-Za-z_# -]" "" required_version ${required_version})
+
+  if(NOT user_version STREQUAL required_version)
+    message(FATAL_ERROR "Wrong uncrustify version! Required version is ${required_version} but found ${user_version}")
+  endif()
+endif()

src/nvim/CMakeLists.txt

@@ -789,6 +789,12 @@ foreach(sfile ${LINT_NVIM_SOURCES})
 endforeach()
 add_custom_target(lintc DEPENDS ${LINT_TARGETS})
 
+add_custom_target(uncrustify-version
+  COMMAND ${CMAKE_COMMAND}
+    -D UNCRUSTIFY_PRG=${UNCRUSTIFY_PRG}
+    -D CONFIG_FILE=${PROJECT_SOURCE_DIR}/src/uncrustify.cfg
+    -P ${PROJECT_SOURCE_DIR}/cmake/CheckUncrustifyVersion.cmake)
+
 add_glob_targets(
   TARGET lintuncrustify
   COMMAND ${UNCRUSTIFY_PRG}
@@ -796,6 +802,8 @@ add_glob_targets(
   FILES ${LINT_NVIM_SOURCES}
   )
 
+add_dependencies(lintuncrustify uncrustify-version)
+
 add_custom_target(
   lintcfull
   COMMAND