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# This is where the logic resides for verifying the source tree layout.
function(CheckGitDirectory path submodule)
# Emit a fatal error and inform the user to init their submodules.
if(NOT EXISTS "${path}/${submodule}/.git")
message(FATAL_ERROR "
Please initialize the git submodules.
${path} is not a valid git submodule.
--
Run the following commands to initialize the ParaView Git submodules.
cd ${ParaView_SOURCE_DIR}
git submodule update --init
")
endif()
endfunction()
set(ParaView_Submodules VTK Utilities/IceT Utilities/Xdmf2 Qt/Testing)
foreach(submodule ${ParaView_Submodules})
# If this is a git checkout, then check the submodules were initialized.
if(EXISTS "${ParaView_SOURCE_DIR}/.git/config")
CheckGitDirectory("${ParaView_SOURCE_DIR}" "${submodule}")
endif()
endforeach()
# Install a pre-commit hook to bootstrap commit hooks.
if(EXISTS "${ParaView_SOURCE_DIR}/.git/config" AND
NOT EXISTS "${ParaView_SOURCE_DIR}/.git/hooks/pre-commit")
# Silently ignore the error if the hooks directory is read-only.
execute_process(
COMMAND ${CMAKE_COMMAND} -E copy ${ParaView_SOURCE_DIR}/CMake/pre-commit
${ParaView_SOURCE_DIR}/.git/hooks/pre-commit
OUTPUT_VARIABLE _output
ERROR_VARIABLE _output
RESULT_VARIABLE _result
)
if(_result AND NOT "${_output}" MATCHES "Error copying file")
message("${_output}")
endif()
endif()
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