diff options
Diffstat (limited to 'share/cmake-3.18/Modules/ExternalProject-download.cmake.in')
| -rw-r--r-- | share/cmake-3.18/Modules/ExternalProject-download.cmake.in | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/share/cmake-3.18/Modules/ExternalProject-download.cmake.in b/share/cmake-3.18/Modules/ExternalProject-download.cmake.in new file mode 100644 index 0000000..99fb917 --- /dev/null +++ b/share/cmake-3.18/Modules/ExternalProject-download.cmake.in @@ -0,0 +1,162 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +cmake_minimum_required(VERSION 3.5) + +function(check_file_hash has_hash hash_is_good) + if("${has_hash}" STREQUAL "") + message(FATAL_ERROR "has_hash Can't be empty") + endif() + + if("${hash_is_good}" STREQUAL "") + message(FATAL_ERROR "hash_is_good Can't be empty") + endif() + + if("@ALGO@" STREQUAL "") + # No check + set("${has_hash}" FALSE PARENT_SCOPE) + set("${hash_is_good}" FALSE PARENT_SCOPE) + return() + endif() + + set("${has_hash}" TRUE PARENT_SCOPE) + + message(STATUS "verifying file... + file='@LOCAL@'") + + file("@ALGO@" "@LOCAL@" actual_value) + + if(NOT "${actual_value}" STREQUAL "@EXPECT_VALUE@") + set("${hash_is_good}" FALSE PARENT_SCOPE) + message(STATUS "@ALGO@ hash of + @LOCAL@ + does not match expected value + expected: '@EXPECT_VALUE@' + actual: '${actual_value}'") + else() + set("${hash_is_good}" TRUE PARENT_SCOPE) + endif() +endfunction() + +function(sleep_before_download attempt) + if(attempt EQUAL 0) + return() + endif() + + if(attempt EQUAL 1) + message(STATUS "Retrying...") + return() + endif() + + set(sleep_seconds 0) + + if(attempt EQUAL 2) + set(sleep_seconds 5) + elseif(attempt EQUAL 3) + set(sleep_seconds 5) + elseif(attempt EQUAL 4) + set(sleep_seconds 15) + elseif(attempt EQUAL 5) + set(sleep_seconds 60) + elseif(attempt EQUAL 6) + set(sleep_seconds 90) + elseif(attempt EQUAL 7) + set(sleep_seconds 300) + else() + set(sleep_seconds 1200) + endif() + + message(STATUS "Retry after ${sleep_seconds} seconds (attempt #${attempt}) ...") + + execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep "${sleep_seconds}") +endfunction() + +if("@LOCAL@" STREQUAL "") + message(FATAL_ERROR "LOCAL can't be empty") +endif() + +if("@REMOTE@" STREQUAL "") + message(FATAL_ERROR "REMOTE can't be empty") +endif() + +if(EXISTS "@LOCAL@") + check_file_hash(has_hash hash_is_good) + if(has_hash) + if(hash_is_good) + message(STATUS "File already exists and hash match (skip download): + file='@LOCAL@' + @ALGO@='@EXPECT_VALUE@'" + ) + return() + else() + message(STATUS "File already exists but hash mismatch. Removing...") + file(REMOVE "@LOCAL@") + endif() + else() + message(STATUS "File already exists but no hash specified (use URL_HASH): + file='@LOCAL@' +Old file will be removed and new file downloaded from URL." + ) + file(REMOVE "@LOCAL@") + endif() +endif() + +set(retry_number 5) + +message(STATUS "Downloading... + dst='@LOCAL@' + timeout='@TIMEOUT_MSG@'" +) + +foreach(i RANGE ${retry_number}) + sleep_before_download(${i}) + + foreach(url @REMOTE@) + message(STATUS "Using src='${url}'") + + @TLS_VERIFY_CODE@ + @TLS_CAINFO_CODE@ + @NETRC_CODE@ + @NETRC_FILE_CODE@ + + file( + DOWNLOAD + "${url}" "@LOCAL@" + @SHOW_PROGRESS@ + @TIMEOUT_ARGS@ + STATUS status + LOG log + @USERPWD_ARGS@ + @HTTP_HEADERS_ARGS@ + ) + + list(GET status 0 status_code) + list(GET status 1 status_string) + + if(status_code EQUAL 0) + check_file_hash(has_hash hash_is_good) + if(has_hash AND NOT hash_is_good) + message(STATUS "Hash mismatch, removing...") + file(REMOVE "@LOCAL@") + else() + message(STATUS "Downloading... done") + return() + endif() + else() + string(APPEND logFailedURLs "error: downloading '${url}' failed + status_code: ${status_code} + status_string: ${status_string} + log: + --- LOG BEGIN --- + ${log} + --- LOG END --- + " + ) + endif() + endforeach() +endforeach() + +message(FATAL_ERROR "Each download failed! + ${logFailedURLs} + " +) |