qtk/cmake/include/git_submodule.cmake

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CMake
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################################################################################
## Author: Shaun Reed | Contact: shaunrd0@gmail.com | URL: www.shaunreed.com ##
## ##
## CMake function to update git submodules ##
################################################################################
include_guard()
find_package(Git)
# _PATH: Path to git submodule location that we want to update
# + submodule_update(extern/assimp)
function(submodule_update _PATH)
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if (NOT QTK_SUBMODULES)
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return()
endif()
if (NOT GIT_FOUND)
message(FATAL_ERROR "[Qtk] Error: No git executable found")
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endif()
execute_process(
COMMAND ${GIT_EXECUTABLE} submodule update --init --force "${_PATH}"
RESULT_VARIABLE result
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)
if (NOT result EQUAL 0)
message(
FATAL_ERROR
"[Qtk] Error: Unable to update git submodule at ${_PATH}"
)
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endif()
endfunction()