mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-12-21 15:47:55 +08:00
125 lines
4.0 KiB
CMake
125 lines
4.0 KiB
CMake
## # vcpkg_from_git
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##
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## Download and extract a project from git
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##
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## ## Usage:
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## ```cmake
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## vcpkg_from_git(
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## OUT_SOURCE_PATH <SOURCE_PATH>
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## URL <https://android.googlesource.com/platform/external/fdlibm>
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## REF <59f7335e4d...>
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## [PATCHES <patch1.patch> <patch2.patch>...]
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## )
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## ```
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##
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## ## Parameters:
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## ### OUT_SOURCE_PATH
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## Specifies the out-variable that will contain the extracted location.
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##
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## This should be set to `SOURCE_PATH` by convention.
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##
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## ### URL
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## The url of the git repository. Must start with `https`.
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##
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## ### REF
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## The git sha of the commit to download.
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##
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## ### PATCHES
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## A list of patches to be applied to the extracted sources.
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##
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## Relative paths are based on the port directory.
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##
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## ## Notes:
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## `OUT_SOURCE_PATH`, `REF`, and `URL` must be specified.
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##
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## ## Examples:
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##
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## * [fdlibm](https://github.com/Microsoft/vcpkg/blob/master/ports/fdlibm/portfile.cmake)
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function(vcpkg_from_git)
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set(oneValueArgs OUT_SOURCE_PATH URL REF)
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set(multipleValuesArgs PATCHES)
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cmake_parse_arguments(_vdud "" "${oneValueArgs}" "${multipleValuesArgs}" ${ARGN})
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if(NOT DEFINED _vdud_OUT_SOURCE_PATH)
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message(FATAL_ERROR "OUT_SOURCE_PATH must be specified.")
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endif()
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if(NOT DEFINED _vdud_URL)
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message(FATAL_ERROR "The git url must be specified")
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endif()
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if( NOT _vdud_URL MATCHES "^https:")
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# vcpkg_from_git does not support a SHA256 parameter because hashing the git archive is
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# not stable across all supported platforms. The tradeoff is to require https to download
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# and the ref to be the git sha (i.e. not things that can change like a label)
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message(FATAL_ERROR "The git url must be https")
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endif()
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if(NOT DEFINED _vdud_REF)
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message(FATAL_ERROR "The git ref must be specified.")
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endif()
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# using .tar.gz instead of .zip because the hash of the latter is affected by timezone.
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string(REPLACE "/" "-" SANITIZED_REF "${_vdud_REF}")
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set(TEMP_ARCHIVE "${DOWNLOADS}/temp/${PORT}-${SANITIZED_REF}.tar.gz")
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set(ARCHIVE "${DOWNLOADS}/${PORT}-${SANITIZED_REF}.tar.gz")
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set(TEMP_SOURCE_PATH "${CURRENT_BUILDTREES_DIR}/src/${SANITIZED_REF}")
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if(NOT EXISTS "${ARCHIVE}")
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if(_VCPKG_NO_DOWNLOADS)
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message(FATAL_ERROR "Downloads are disabled, but '${ARCHIVE}' does not exist.")
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endif()
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message(STATUS "Fetching ${_vdud_URL}...")
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find_program(GIT NAMES git git.cmd)
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# Note: git init is safe to run multiple times
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vcpkg_execute_required_process(
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COMMAND ${GIT} init git-tmp
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WORKING_DIRECTORY ${DOWNLOADS}
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LOGNAME git-init-${TARGET_TRIPLET}
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)
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vcpkg_execute_required_process(
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COMMAND ${GIT} fetch ${_vdud_URL} ${_vdud_REF} --depth 1 -n
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WORKING_DIRECTORY ${DOWNLOADS}/git-tmp
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LOGNAME git-fetch-${TARGET_TRIPLET}
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)
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execute_process(
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COMMAND ${GIT} rev-parse FETCH_HEAD
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OUTPUT_VARIABLE REV_PARSE_HEAD
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ERROR_VARIABLE REV_PARSE_HEAD
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RESULT_VARIABLE error_code
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WORKING_DIRECTORY ${DOWNLOADS}/git-tmp
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)
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if(error_code)
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message(FATAL_ERROR "unable to determine FETCH_HEAD after fetching git repository")
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endif()
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string(REGEX REPLACE "\n$" "" REV_PARSE_HEAD "${REV_PARSE_HEAD}")
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if(NOT REV_PARSE_HEAD STREQUAL _vdud_REF)
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message(FATAL_ERROR "REF (${_vdud_REF}) does not match FETCH_HEAD (${REV_PARSE_HEAD})")
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endif()
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file(MAKE_DIRECTORY "${DOWNLOADS}/temp")
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vcpkg_execute_required_process(
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COMMAND ${GIT} archive FETCH_HEAD -o "${TEMP_ARCHIVE}"
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WORKING_DIRECTORY ${DOWNLOADS}/git-tmp
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LOGNAME git-archive
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)
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get_filename_component(downloaded_file_dir "${ARCHIVE}" DIRECTORY)
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file(MAKE_DIRECTORY "${downloaded_file_dir}")
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file(RENAME "${TEMP_ARCHIVE}" "${ARCHIVE}")
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else()
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message(STATUS "Using cached ${ARCHIVE}")
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endif()
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vcpkg_extract_source_archive_ex(
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OUT_SOURCE_PATH SOURCE_PATH
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ARCHIVE "${ARCHIVE}"
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REF "${SANITIZED_REF}"
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PATCHES ${_vdud_PATCHES}
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NO_REMOVE_ONE_LEVEL
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)
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set(${_vdud_OUT_SOURCE_PATH} "${SOURCE_PATH}" PARENT_SCOPE)
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endfunction()
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