datum_gateway/cmake/script/GenerateBuildInfo.cmake
Jason Hughes c4a1845a53
Initial import of DATUM codebase
Co-authored-by: Luke Dashjr <luke-jr+git@utopios.org>
2024-10-18 16:53:13 +00:00

146 lines
4.4 KiB
CMake

# DATUM Gateway
# Decentralized Alternative Templates for Universal Mining
#
# This file is part of OCEAN's Bitcoin mining decentralization
# project, DATUM.
#
# https://ocean.xyz
#
# ---
#
# Copyright (c) 2024 Bitcoin Ocean, LLC & Luke Dashjr
# Copyright (c) 2023-present The Bitcoin Core developers
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
macro(fatal_error)
message(FATAL_ERROR "\n"
"Usage:\n"
" cmake -D BUILD_INFO_HEADER_PATH=<path> [-D SOURCE_DIR=<path>] -P ${CMAKE_CURRENT_LIST_FILE}\n"
"All specified paths must be absolute ones.\n"
)
endmacro()
if(DEFINED BUILD_INFO_HEADER_PATH AND IS_ABSOLUTE "${BUILD_INFO_HEADER_PATH}")
if(EXISTS "${BUILD_INFO_HEADER_PATH}")
file(STRINGS ${BUILD_INFO_HEADER_PATH} INFO)
endif()
else()
fatal_error()
endif()
if(DEFINED SOURCE_DIR)
if(IS_ABSOLUTE "${SOURCE_DIR}" AND IS_DIRECTORY "${SOURCE_DIR}")
set(WORKING_DIR ${SOURCE_DIR})
else()
fatal_error()
endif()
else()
set(WORKING_DIR ${CMAKE_CURRENT_SOURCE_DIR})
endif()
set(GIT_TAG)
set(GIT_COMMIT)
if(NOT "$ENV{BITCOIN_GENBUILD_NO_GIT}" STREQUAL "1")
find_package(Git QUIET)
if(Git_FOUND)
execute_process(
COMMAND ${GIT_EXECUTABLE} rev-parse --is-inside-work-tree
WORKING_DIRECTORY ${WORKING_DIR}
OUTPUT_VARIABLE IS_INSIDE_WORK_TREE
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(IS_INSIDE_WORK_TREE)
# Clean 'dirty' status of touched files that haven't been modified.
execute_process(
COMMAND ${GIT_EXECUTABLE} diff
WORKING_DIRECTORY ${WORKING_DIR}
OUTPUT_QUIET
ERROR_QUIET
)
execute_process(
COMMAND ${GIT_EXECUTABLE} describe --abbrev=0
WORKING_DIRECTORY ${WORKING_DIR}
OUTPUT_VARIABLE MOST_RECENT_TAG
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
execute_process(
COMMAND ${GIT_EXECUTABLE} rev-list -1 ${MOST_RECENT_TAG}
WORKING_DIRECTORY ${WORKING_DIR}
OUTPUT_VARIABLE MOST_RECENT_TAG_COMMIT
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
execute_process(
COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
WORKING_DIRECTORY ${WORKING_DIR}
OUTPUT_VARIABLE HEAD_COMMIT
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
execute_process(
COMMAND ${GIT_EXECUTABLE} diff-index --quiet HEAD --
WORKING_DIRECTORY ${WORKING_DIR}
RESULT_VARIABLE IS_DIRTY
)
if(HEAD_COMMIT STREQUAL MOST_RECENT_TAG_COMMIT AND NOT IS_DIRTY)
# If latest commit is tagged and not dirty, then use the tag name.
set(GIT_TAG ${MOST_RECENT_TAG})
else()
# Otherwise, generate suffix from git, i.e. string like "0e0a5173fae3-dirty".
execute_process(
COMMAND ${GIT_EXECUTABLE} rev-parse --short=12 HEAD
WORKING_DIRECTORY ${WORKING_DIR}
OUTPUT_VARIABLE GIT_COMMIT
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
if(IS_DIRTY)
string(APPEND GIT_COMMIT "-dirty")
endif()
endif()
endif()
endif()
endif()
if(HEAD_COMMIT)
if(IS_DIRTY)
string(APPEND HEAD_COMMIT "+")
endif()
else()
set(HEAD_COMMIT UNKNOWN_GIT_HASH)
endif()
set(NEWINFO "#define GIT_COMMIT_HASH \"${HEAD_COMMIT}\"")
if(GIT_TAG)
string(APPEND NEWINFO "\n#define BUILD_GIT_TAG \"${GIT_TAG}\"")
endif()
# Only update the header if necessary.
if(NOT "${INFO}" STREQUAL "${NEWINFO}")
file(WRITE ${BUILD_INFO_HEADER_PATH} "${NEWINFO}\n")
endif()