mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-11-29 13:09:00 +08:00
53 lines
2.4 KiB
CMake
53 lines
2.4 KiB
CMake
# Usage: vcpkg_download_distfile(<VAR> URLS <http://mainUrl> <http://mirror1> <http://mirror2> FILENAME <output.zip> SHA512 <5981de...>)
|
|
function(vcpkg_download_distfile VAR)
|
|
set(oneValueArgs FILENAME SHA512)
|
|
set(multipleValuesArgs URLS)
|
|
cmake_parse_arguments(vcpkg_download_distfile "" "${oneValueArgs}" "${multipleValuesArgs}" ${ARGN})
|
|
set(downloaded_file_path ${DOWNLOADS}/${vcpkg_download_distfile_FILENAME})
|
|
|
|
function(test_hash FILE_KIND CUSTOM_ERROR_ADVICE)
|
|
message(STATUS "Testing integrity of ${FILE_KIND}...")
|
|
file(SHA512 ${downloaded_file_path} FILE_HASH)
|
|
if(NOT "${FILE_HASH}" STREQUAL "${vcpkg_download_distfile_SHA512}")
|
|
message(FATAL_ERROR
|
|
"\nFile does not have expected hash:\n"
|
|
" File path: [ ${downloaded_file_path} ]\n"
|
|
" Expected hash: [ ${vcpkg_download_distfile_SHA512} ]\n"
|
|
" Actual hash: [ ${FILE_HASH} ]\n"
|
|
"${CUSTOM_ERROR_ADVICE}\n")
|
|
endif()
|
|
message(STATUS "Testing integrity of ${FILE_KIND}... OK")
|
|
endfunction()
|
|
|
|
if(EXISTS ${downloaded_file_path})
|
|
message(STATUS "Using cached ${downloaded_file_path}")
|
|
test_hash("cached file" "Please delete the file and retry if this file should be downloaded again.")
|
|
else()
|
|
# Tries to download the file.
|
|
foreach(url IN LISTS vcpkg_download_distfile_URLS)
|
|
message(STATUS "Downloading ${url}...")
|
|
file(DOWNLOAD ${url} ${downloaded_file_path} STATUS download_status)
|
|
list(GET download_status 0 status_code)
|
|
if (NOT "${status_code}" STREQUAL "0")
|
|
message(STATUS "Downloading ${url}... Failed. Status: ${download_status}")
|
|
file(REMOVE ${downloaded_file_path})
|
|
set(download_success 0)
|
|
else()
|
|
message(STATUS "Downloading ${url}... OK")
|
|
set(download_success 1)
|
|
break()
|
|
endif()
|
|
endforeach(url)
|
|
|
|
if (NOT ${download_success})
|
|
message(FATAL_ERROR
|
|
"\n"
|
|
" Failed to download file.\n"
|
|
" Add mirrors or submit an issue at https://github.com/Microsoft/vcpkg/issues\n")
|
|
else()
|
|
test_hash("downloaded file" "The file may be corrupted.")
|
|
endif()
|
|
endif()
|
|
set(${VAR} ${downloaded_file_path} PARENT_SCOPE)
|
|
endfunction()
|