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function(vcpkg_from_github)
cmake_parse_arguments(PARSE_ARGV 0 "arg"
"USE_TARBALL_API"
"OUT_SOURCE_PATH;REPO;REF;SHA512;HEAD_REF;GITHUB_HOST;AUTHORIZATION_TOKEN;FILE_DISAMBIGUATOR"
"PATCHES")
if(DEFINED arg_UNPARSED_ARGUMENTS)
message(WARNING "vcpkg_from_github was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
endif()
if(DEFINED arg_REF AND NOT DEFINED arg_SHA512)
message(FATAL_ERROR "SHA512 must be specified if REF is specified.")
endif()
if(NOT DEFINED arg_REF AND DEFINED arg_SHA512)
message(FATAL_ERROR "REF must be specified if SHA512 is specified.")
endif()
if(NOT DEFINED arg_OUT_SOURCE_PATH)
message(FATAL_ERROR "OUT_SOURCE_PATH must be specified.")
endif()
if(NOT DEFINED arg_REPO)
message(FATAL_ERROR "The GitHub repository must be specified.")
endif()
if(NOT DEFINED arg_GITHUB_HOST)
set(github_host "https://github.com")
set(github_api_url "https://api.github.com")
else()
set(github_host "${arg_GITHUB_HOST}")
set(github_api_url "${arg_GITHUB_HOST}/api/v3")
endif()
set(headers_param "")
if(DEFINED arg_AUTHORIZATION_TOKEN)
set(headers_param "HEADERS" "Authorization: token ${arg_AUTHORIZATION_TOKEN}")
endif()
if(NOT DEFINED arg_REF AND NOT DEFINED arg_HEAD_REF)
message(FATAL_ERROR "At least one of REF or HEAD_REF must be specified.")
endif()
if(NOT arg_REPO MATCHES "^([^/]*)/([^/]*)$")
message(FATAL_ERROR "REPO (${arg_REPO}) is not a valid repo name:
must be an organization name followed by a repository name separated by a single slash.")
endif()
set(org_name "${CMAKE_MATCH_1}")
set(repo_name "${CMAKE_MATCH_2}")
if(VCPKG_USE_HEAD_VERSION AND NOT DEFINED arg_HEAD_REF)
message(STATUS "Package does not specify HEAD_REF. Falling back to non-HEAD version.")
set(VCPKG_USE_HEAD_VERSION OFF)
elseif(NOT VCPKG_USE_HEAD_VERSION AND NOT DEFINED arg_REF)
message(FATAL_ERROR "Package does not specify REF. It must be built using --head.")
endif()
# exports VCPKG_HEAD_VERSION to the caller. This will get picked up by ports.cmake after the build.
if(VCPKG_USE_HEAD_VERSION)
string(REPLACE "/" "_-" sanitized_head_ref "${arg_HEAD_REF}")
vcpkg_download_distfile(archive_version
URLS "${github_api_url}/repos/${org_name}/${repo_name}/git/refs/heads/${arg_HEAD_REF}"
FILENAME "${org_name}-${repo_name}-${sanitized_head_ref}.version"
${headers_param}
SKIP_SHA512
ALWAYS_REDOWNLOAD
)
# Parse the github refs response with regex.
file(READ "${archive_version}" version_contents)
string(JSON head_version
ERROR_VARIABLE head_version_err
GET "${version_contents}"
"object"
"sha"
)
if(NOT "${head_version_err}" STREQUAL "NOTFOUND")
message(FATAL_ERROR "Failed to parse API response from '${version_url}':
${version_contents}
Error was: ${head_version_err}
")
endif()
set(VCPKG_HEAD_VERSION "${head_version}" PARENT_SCOPE)
set(ref_to_use "${head_version}")
vcpkg_list(SET redownload_param ALWAYS_REDOWNLOAD)
vcpkg_list(SET sha512_param SKIP_SHA512)
vcpkg_list(SET working_directory_param WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}/src/head")
vcpkg_list(SET skip_patch_check_param SKIP_PATCH_CHECK)
else()
set(ref_to_use "${arg_REF}")
vcpkg_list(SET redownload_param)
vcpkg_list(SET working_directory_param)
vcpkg_list(SET skip_patch_check_param)
vcpkg_list(SET sha512_param SHA512 "${arg_SHA512}")
endif()
string(REPLACE "/" "_-" sanitized_ref "${ref_to_use}")
if(DEFINED arg_FILE_DISAMBIGUATOR AND NOT VCPKG_USE_HEAD_REF)
set(downloaded_file_name "${org_name}-${repo_name}-${sanitized_ref}-${arg_FILE_DISAMBIGUATOR}.tar.gz")
else()
set(downloaded_file_name "${org_name}-${repo_name}-${sanitized_ref}.tar.gz")
endif()
if(arg_USE_TARBALL_API)
# This alternative endpoint has a better support for GitHub's personal
# access tokens (for instance when there is SSO enabled within the
# organization).
set(download_url
"${github_api_url}/repos/${org_name}/${repo_name}/tarball/${ref_to_use}"
)
else()
set(download_url
"${github_host}/${org_name}/${repo_name}/archive/${ref_to_use}.tar.gz"
)
endif()
# Try to download the file information from github
vcpkg_download_distfile(archive
URLS "${download_url}"
FILENAME "${downloaded_file_name}"
${headers_param}
${sha512_param}
${redownload_param}
)
vcpkg_extract_source_archive_ex(
OUT_SOURCE_PATH SOURCE_PATH
ARCHIVE "${archive}"
REF "${sanitized_ref}"
PATCHES ${arg_PATCHES}
${working_directory_param}
${skip_patch_check_param}
)
set("${arg_OUT_SOURCE_PATH}" "${SOURCE_PATH}" PARENT_SCOPE)
endfunction()
|
