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1string(REGEX REPLACE "([a-zA-Z0-9\\.]+)\\.compressed(\\.[0-9]+)?$" "\\1" REFERENCE_DATA "${INPUT}")
2string(REGEX REPLACE "\\.compressed" "" OUTPUT_FILE "${INPUT}")
3get_filename_component(OUTPUT_NAME "${OUTPUT_FILE}" NAME)
4
5execute_process(
6  WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
7  COMMAND ${BROTLI_WRAPPER} ${BROTLI_CLI} --force --decompress ${INPUT} --output=${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME}.unbr
8  RESULT_VARIABLE result)
9if(result)
10  message(FATAL_ERROR "Decompression failed")
11endif()
12
13function(test_file_equality f1 f2)
14  if(NOT CMAKE_VERSION VERSION_LESS 2.8.7)
15    file(SHA512 "${f1}" f1_cs)
16    file(SHA512 "${f2}" f2_cs)
17    if(NOT "${f1_cs}" STREQUAL "${f2_cs}")
18      message(FATAL_ERROR "Files do not match")
19    endif()
20  else()
21    file(READ "${f1}" f1_contents)
22    file(READ "${f2}" f2_contents)
23    if(NOT "${f1_contents}" STREQUAL "${f2_contents}")
24      message(FATAL_ERROR "Files do not match")
25    endif()
26  endif()
27endfunction()
28
29test_file_equality("${REFERENCE_DATA}" "${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME}.unbr")
30