2017-09-17 15:06:10 +02:00
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if(EXISTS "${PROJECT_SOURCE_DIR}/.gitmodules")
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message(STATUS "Updating submodules to their latest/fixed versions")
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message(STATUS "(this can take a while, please be patient)")
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### First, get all submodules in
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if(${GIT_SUBMODULES_CHECKOUT_QUIET})
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execute_process(
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COMMAND git submodule update --init --recursive
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WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
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OUTPUT_QUIET
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ERROR_QUIET
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)
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else()
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execute_process(
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COMMAND git submodule update --init --recursive
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WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
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)
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endif()
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### Then, checkout each submodule to the specified commit
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# Note: Execute separate processes here, to make sure each one is run,
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# should one crash (because of branch not existing, this, that ... whatever)
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foreach(GIT_SUBMODULE ${GIT_SUBMODULES})
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if( "${GIT_SUBMODULE_VERSION_${GIT_SUBMODULE}}" STREQUAL "" )
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message(STATUS "no specific version given for submodule ${GIT_SUBMODULE}, checking out master")
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2017-10-04 15:24:44 +02:00
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if( "${GIT_SUBMODULE_BRANCH_${GIT_SUBMODULE}}" STREQUAL "" )
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set(GIT_SUBMODULE_VERSION_${GIT_SUBMODULE} "master")
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else()
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set(GIT_SUBMODULE_VERSION_${GIT_SUBMODULE} ${GIT_SUBMODULE_BRANCH_${GIT_SUBMODULE}})
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endif()
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2017-09-17 15:06:10 +02:00
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endif()
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if( "${GIT_SUBMODULE_DIR_${GIT_SUBMODULE}}" STREQUAL "" )
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set(GIT_SUBMODULES_DIRECTORY external)
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else()
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set(GIT_SUBMODULES_DIRECTORY ${GIT_SUBMODULE_DIR_${GIT_SUBMODULE}})
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endif()
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if(${GIT_SUBMODULES_CHECKOUT_QUIET})
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execute_process(
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COMMAND git checkout ${GIT_SUBMODULE_VERSION_${GIT_SUBMODULE}}
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WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/${GIT_SUBMODULES_DIRECTORY}/${GIT_SUBMODULE}
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OUTPUT_QUIET
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ERROR_QUIET
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)
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else()
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message(STATUS "checking out ${GIT_SUBMODULE}'s commit/tag ${GIT_SUBMODULE_VERSION_${GIT_SUBMODULE}}")
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execute_process(
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COMMAND git checkout ${GIT_SUBMODULE_VERSION_${GIT_SUBMODULE}}
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WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/${GIT_SUBMODULES_DIRECTORY}/${GIT_SUBMODULE}
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)
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endif()
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endforeach(${GIT_SUBMODULE})
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endif()
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