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foreach(parameter OUTPUT_NAME COMPRESSION_FLAGS DECOMPRESSION_FLAGS)
if(NOT DEFINED ${parameter})
message(FATAL_ERROR "missing required parameter ${parameter}")
endif()
endforeach()
function(run_tar WORKING_DIRECTORY)
execute_process(COMMAND ${CMAKE_COMMAND} -E tar ${ARGN}
WORKING_DIRECTORY ${WORKING_DIRECTORY}
RESULT_VARIABLE result
)
if(NOT result STREQUAL "0")
message(FATAL_ERROR "tar failed with arguments [${ARGN}] result [${result}]")
endif()
endfunction()
set(COMPRESS_DIR compress_dir)
set(FULL_COMPRESS_DIR ${CMAKE_CURRENT_BINARY_DIR}/${COMPRESS_DIR})
set(DECOMPRESS_DIR decompress_dir)
set(FULL_DECOMPRESS_DIR ${CMAKE_CURRENT_BINARY_DIR}/${DECOMPRESS_DIR})
set(FULL_OUTPUT_NAME ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME})
set(CHECK_FILES
"f1.txt"
"d1/f1.txt"
"d 2/f1.txt"
"d + 3/f1.txt"
"d_4/f1.txt"
"d-4/f1.txt"
"My Special Directory/f1.txt"
)
foreach(file ${CHECK_FILES})
configure_file(${CMAKE_CURRENT_LIST_FILE} ${FULL_COMPRESS_DIR}/${file} COPYONLY)
endforeach()
if(UNIX)
execute_process(COMMAND ln -sf f1.txt ${FULL_COMPRESS_DIR}/d1/f2.txt)
list(APPEND CHECK_FILES "d1/f2.txt")
endif()
file(REMOVE ${FULL_OUTPUT_NAME})
file(REMOVE_RECURSE ${FULL_DECOMPRESS_DIR})
file(MAKE_DIRECTORY ${FULL_DECOMPRESS_DIR})
run_tar(${CMAKE_CURRENT_BINARY_DIR} ${COMPRESSION_FLAGS} ${FULL_OUTPUT_NAME} ${COMPRESSION_OPTIONS} ${COMPRESS_DIR})
run_tar(${FULL_DECOMPRESS_DIR} ${DECOMPRESSION_FLAGS} ${FULL_OUTPUT_NAME} ${DECOMPRESSION_OPTIONS})
foreach(file ${CHECK_FILES})
set(input ${FULL_COMPRESS_DIR}/${file})
set(output ${FULL_DECOMPRESS_DIR}/${COMPRESS_DIR}/${file})
if(NOT EXISTS ${input})
message(SEND_ERROR "Cannot find input file ${output}")
endif()
if(NOT EXISTS ${output})
message(SEND_ERROR "Cannot find output file ${output}")
endif()
file(MD5 ${input} input_md5)
file(MD5 ${output} output_md5)
if(NOT input_md5 STREQUAL output_md5)
message(SEND_ERROR "Files \"${input}\" and \"${output}\" are different")
endif()
endforeach()
function(check_magic EXPECTED)
file(READ ${FULL_OUTPUT_NAME} ACTUAL
${ARGN}
)
if(NOT ACTUAL STREQUAL EXPECTED)
message(FATAL_ERROR
"Actual [${ACTUAL}] does not match expected [${EXPECTED}]")
endif()
endfunction()
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