[clang] [llvm] [clang-format] Add CI check confirming ClangFormatStyleOptions.rst is up-to-date. (PR #111513)

[Owen Pan via cfe-commits]

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@@ -53,3 +53,10 @@ foreach (file IN LISTS files)
 endforeach ()
 
 add_custom_target(clang-format-check-format DEPENDS ${check_format_depends})
+
+add_custom_target(clang-format-style-options
+    COMMAND "${Python3_EXECUTABLE}" dump_format_style.py
+    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/../../docs/tools"
+    DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/../../include/clang/Format/Format.h"
+            "${CMAKE_CURRENT_SOURCE_DIR}/../../include/clang/Tooling/Inclusions/IncludeStyle.h")
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owenca wrote:

Please use `CLANG_SOURCE_DIR`. (See 78e7d9592d7c3b500ae2bae097d8cd7cd9369671.)

https://github.com/llvm/llvm-project/pull/111513