161 lines
3.6 KiB
CMake
161 lines
3.6 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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cmake_minimum_required(VERSION 3.5)
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function(check_file_hash has_hash hash_is_good)
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if("${has_hash}" STREQUAL "")
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message(FATAL_ERROR "has_hash Can't be empty")
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endif()
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if("${hash_is_good}" STREQUAL "")
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message(FATAL_ERROR "hash_is_good Can't be empty")
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endif()
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if("@ALGO@" STREQUAL "")
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# No check
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set("${has_hash}" FALSE PARENT_SCOPE)
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set("${hash_is_good}" FALSE PARENT_SCOPE)
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return()
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endif()
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set("${has_hash}" TRUE PARENT_SCOPE)
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message(STATUS "verifying file...
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file='@LOCAL@'")
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file("@ALGO@" "@LOCAL@" actual_value)
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if(NOT "${actual_value}" STREQUAL "@EXPECT_VALUE@")
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set("${hash_is_good}" FALSE PARENT_SCOPE)
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message(STATUS "@ALGO@ hash of
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@LOCAL@
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does not match expected value
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expected: '@EXPECT_VALUE@'
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actual: '${actual_value}'")
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else()
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set("${hash_is_good}" TRUE PARENT_SCOPE)
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endif()
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endfunction()
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function(sleep_before_download attempt)
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if(attempt EQUAL 0)
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return()
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endif()
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if(attempt EQUAL 1)
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message(STATUS "Retrying...")
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return()
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endif()
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set(sleep_seconds 0)
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if(attempt EQUAL 2)
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set(sleep_seconds 5)
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elseif(attempt EQUAL 3)
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set(sleep_seconds 5)
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elseif(attempt EQUAL 4)
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set(sleep_seconds 15)
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elseif(attempt EQUAL 5)
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set(sleep_seconds 60)
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elseif(attempt EQUAL 6)
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set(sleep_seconds 90)
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elseif(attempt EQUAL 7)
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set(sleep_seconds 300)
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else()
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set(sleep_seconds 1200)
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endif()
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message(STATUS "Retry after ${sleep_seconds} seconds (attempt #${attempt}) ...")
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execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep "${sleep_seconds}")
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endfunction()
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if("@LOCAL@" STREQUAL "")
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message(FATAL_ERROR "LOCAL can't be empty")
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endif()
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if("@REMOTE@" STREQUAL "")
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message(FATAL_ERROR "REMOTE can't be empty")
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endif()
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if(EXISTS "@LOCAL@")
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check_file_hash(has_hash hash_is_good)
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if(has_hash)
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if(hash_is_good)
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message(STATUS "File already exists and hash match (skip download):
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file='@LOCAL@'
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@ALGO@='@EXPECT_VALUE@'"
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)
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return()
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else()
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message(STATUS "File already exists but hash mismatch. Removing...")
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file(REMOVE "@LOCAL@")
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endif()
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else()
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message(STATUS "File already exists but no hash specified (use URL_HASH):
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file='@LOCAL@'
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Old file will be removed and new file downloaded from URL."
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)
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file(REMOVE "@LOCAL@")
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endif()
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endif()
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set(retry_number 5)
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message(STATUS "Downloading...
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dst='@LOCAL@'
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timeout='@TIMEOUT_MSG@'"
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)
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foreach(i RANGE ${retry_number})
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sleep_before_download(${i})
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foreach(url @REMOTE@)
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message(STATUS "Using src='${url}'")
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@TLS_VERIFY_CODE@
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@TLS_CAINFO_CODE@
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file(
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DOWNLOAD
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"${url}" "@LOCAL@"
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@SHOW_PROGRESS@
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@TIMEOUT_ARGS@
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STATUS status
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LOG log
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@USERPWD_ARGS@
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@HTTP_HEADERS_ARGS@
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)
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list(GET status 0 status_code)
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list(GET status 1 status_string)
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if(status_code EQUAL 0)
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check_file_hash(has_hash hash_is_good)
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if(has_hash AND NOT hash_is_good)
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message(STATUS "Hash mismatch, removing...")
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file(REMOVE "@LOCAL@")
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else()
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message(STATUS "Downloading... done")
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return()
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endif()
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else()
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string(APPEND logFailedURLs "error: downloading '${url}' failed
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status_code: ${status_code}
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status_string: ${status_string}
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log:
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--- LOG BEGIN ---
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${log}
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--- LOG END ---
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"
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)
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endif()
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endforeach()
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endforeach()
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message(FATAL_ERROR "Each download failed!
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${logFailedURLs}
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"
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)
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