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add download fallback handling

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This commit is contained in:
Axel Kohlmeyer
2023-02-06 23:59:15 -05:00
parent acf7f9184d
commit f4974f1518
1 changed files with 15 additions and 4 deletions
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19
cmake/Modules/Documentation.cmake
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@ -56,14 +56,25 @@ if(BUILD_DOC)
)
set(MATHJAX_URL "https://github.com/mathjax/MathJax/archive/3.1.3.tar.gz" CACHE STRING "URL for MathJax tarball")
set(MATHJAX_MD5 "d1c98c746888bfd52ca8ebc10704f92f" CACHE STRING "MD5 checksum of MathJax tarball")
set(MATHJAX_MD5 "b81661c6e6ba06278e6ae37b30b0c492" CACHE STRING "MD5 checksum of MathJax tarball")
mark_as_advanced(MATHJAX_URL)
GetFallbackURL(MATHJAX_URL MATHJAX_FALLBACK)
# download mathjax distribution and unpack to folder "mathjax"
if(NOT EXISTS ${DOC_BUILD_STATIC_DIR}/mathjax/es5)
file(DOWNLOAD ${MATHJAX_URL}
"${CMAKE_CURRENT_BINARY_DIR}/mathjax.tar.gz"
EXPECTED_MD5 ${MATHJAX_MD5})
if(EXISTS ${CMAKE_CURRENT_BINARY_DIR}/mathjax.tar.gz)
file(MD5 ${CMAKE_CURRENT_BINARY_DIR}/mathjax.tar.gz)
endif()
if(NOT "${DL_MD5}" STREQUAL "${MATHJAX_MD5}")
file(DOWNLOAD ${MATHJAX_URL} "${CMAKE_CURRENT_BINARY_DIR}/mathjax.tar.gz" STATUS DL_STATUS SHOW_PROGRESS)
file(MD5 ${CMAKE_CURRENT_BINARY_DIR}/mathjax.tar.gz DL_MD5)
if((NOT DL_STATUS EQUAL 0) OR (NOT "${DL_MD5}" STREQUAL "${MATHJAX_MD5}"))
message(WARNING "Download from primary URL ${MATHJAX_URL} failed\nTrying fallback URL ${MATHJAX_FALLBACK}")
file(DOWNLOAD ${MATHJAX_FALLBACK} ${CMAKE_BINARY_DIR}/libpace.tar.gz EXPECTED_HASH MD5=${MATHJAX_MD5} SHOW_PROGRESS)
endif()
else()
message(STATUS "Using already downloaded archive ${CMAKE_BINARY_DIR}/libpace.tar.gz")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} -E tar xzf mathjax.tar.gz WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
file(GLOB MATHJAX_VERSION_DIR ${CONFIGURE_DEPENDS} ${CMAKE_CURRENT_BINARY_DIR}/MathJax-*)
execute_process(COMMAND ${CMAKE_COMMAND} -E rename ${MATHJAX_VERSION_DIR} ${DOC_BUILD_STATIC_DIR}/mathjax)