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16 lines
707 B
CMake
16 lines
707 B
CMake
function(download_and_decompress url filename sha256_checksum decompress_dir)
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if(EXISTS ${filename})
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file(SHA256 ${filename} CHECKSUM_VARIABLE)
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endif()
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if(NOT EXISTS ${filename} OR NOT CHECKSUM_VARIABLE STREQUAL sha256_checksum)
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message("Downloading file from ${url} to ${filename} ...")
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file(DOWNLOAD ${url} "${filename}.tmp" SHOW_PROGRESS EXPECTED_HASH SHA256=${sha256_checksum})
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file(RENAME "${filename}.tmp" ${filename})
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endif()
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if(NOT EXISTS ${decompress_dir})
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file(MAKE_DIRECTORY ${decompress_dir})
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endif()
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message("Decompress file ${filename} ...")
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execute_process(COMMAND ${CMAKE_COMMAND} -E tar -xf ${filename} WORKING_DIRECTORY ${decompress_dir})
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endfunction()
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