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CMake: Fall back to the Web Archive when downloading files

This commit is contained in:
Tim Schumacher 2022-12-19 21:46:07 +01:00 committed by Sam Atkins
parent 917e32d31a
commit 1c630316ec

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@ -221,22 +221,36 @@ function(invoke_generator name generator version_file header implementation)
set(CURRENT_LIB_GENERATED ${CURRENT_LIB_GENERATED} PARENT_SCOPE)
endfunction()
function(download_file url path)
function(download_file_multisource urls path)
if (NOT EXISTS "${path}")
get_filename_component(file "${path}" NAME)
message(STATUS "Downloading file ${file} from ${url}")
file(DOWNLOAD "${url}" "${path}" INACTIVITY_TIMEOUT 10 STATUS download_result)
list(GET download_result 0 status_code)
list(GET download_result 1 error_message)
foreach(url ${urls})
message(STATUS "Downloading file ${file} from ${url}")
file(DOWNLOAD "${url}" "${path}" INACTIVITY_TIMEOUT 10 STATUS download_result)
list(GET download_result 0 status_code)
list(GET download_result 1 error_message)
if (status_code EQUAL 0)
break()
endif()
file(REMOVE "${path}")
message(WARNING "Failed to download ${url}: ${error_message}")
endforeach()
if (NOT status_code EQUAL 0)
file(REMOVE "${path}")
message(FATAL_ERROR "Failed to download ${url}: ${error_message}")
message(FATAL_ERROR "Failed to download ${path} from any source")
endif()
endif()
endfunction()
function(download_file url path)
# If the timestamp doesn't match exactly, the Web Archive should redirect to the closest archived file automatically.
download_file_multisource("${url};https://web.archive.org/web/99991231235959/${url}" "${path}")
endfunction()
function(extract_path dest_dir zip_path source_path dest_path)
if (EXISTS "${zip_path}" AND NOT EXISTS "${dest_path}")
if (CMAKE_VERSION VERSION_LESS 3.18.0)