mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-12-23 19:17:50 +08:00
128 lines
4.3 KiB
CMake
128 lines
4.3 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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## SHA512 <abcdef123...>
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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.
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##
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## ### SHA512
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## The SHA512 hash that should match the archive form of the commit.
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##
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## This is most easily determined by first setting it to `0`, then trying to build the port. The error message will contain the full hash, which can be copied back into the portfile.
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##
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## ### REF
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## A stable git commit-ish (ideally a tag or commit) that will not change contents. **This should not be a branch.**
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##
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## For repositories without official releases, this can be set to the full commit id of the current latest master.
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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`, `SHA512`, 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 SHA512)
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set(multipleValuesArgs PATCHES)
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cmake_parse_arguments(_vdud "" "${oneValueArgs}" "${multipleValuesArgs}" ${ARGN})
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if(NOT DEFINED _vdud_OUT_SOURCE_PATH)
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message(FATAL_ERROR "OUT_SOURCE_PATH must be specified.")
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endif()
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if(NOT DEFINED _vdud_URL)
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message(FATAL_ERROR "The git url must be specified")
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endif()
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if(NOT DEFINED _vdud_REF)
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message(FATAL_ERROR "The git ref must be specified.")
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endif()
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if(NOT DEFINED _vdud_SHA512)
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message(FATAL_ERROR "vcpkg_from_git requires a SHA512 argument. If you do not know the SHA512, add it as 'SHA512 0' and re-run this command.")
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endif()
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# using .tar.gz instead of .zip because the hash of the latter is affected by timezone.
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string(REPLACE "/" "-" SANITIZED_REF "${_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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function(test_hash FILE_PATH FILE_KIND CUSTOM_ERROR_ADVICE)
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file(SHA512 ${FILE_PATH} FILE_HASH)
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if(NOT FILE_HASH STREQUAL _vdud_SHA512)
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message(FATAL_ERROR
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"\nFile does not have expected hash:\n"
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" File path: [ ${FILE_PATH} ]\n"
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" Expected hash: [ ${_vdud_SHA512} ]\n"
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" Actual hash: [ ${FILE_HASH} ]\n"
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"${CUSTOM_ERROR_ADVICE}\n")
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endif()
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endfunction()
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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
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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 ${DOWNLOADS}/git-tmp
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LOGNAME git-fetch
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)
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file(MAKE_DIRECTORY "${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 ${DOWNLOADS}/git-tmp
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LOGNAME git-archive
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)
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test_hash("${TEMP_ARCHIVE}" "downloaded repo" "")
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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 ${ARCHIVE}")
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test_hash("${ARCHIVE}" "cached file" "Please delete the file and retry if this file should be downloaded again.")
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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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