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# Copyright (c) 2023, ETH Zurich and UNC Chapel Hill.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# * Neither the name of ETH Zurich and UNC Chapel Hill nor the names of
# its contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
if (DEFINED GIT_COMMIT_ID OR DEFINED GIT_COMMIT_DATE)
message(STATUS "Using custom-defined GIT_COMMIT_ID (${GIT_COMMIT_ID}) "
"and GIT_COMMIT_DATE (${GIT_COMMIT_DATE})")
elseif(Git_FOUND AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git")
execute_process(COMMAND
"${GIT_EXECUTABLE}" rev-parse --short HEAD
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE GIT_COMMIT_ID
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND
"${GIT_EXECUTABLE}" log -1 --format=%ad --date=short
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE GIT_COMMIT_DATE
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
# Re-generate version.cc if the git index changes.
set_property(
DIRECTORY APPEND
PROPERTY CMAKE_CONFIGURE_DEPENDS
"${CMAKE_CURRENT_SOURCE_DIR}/.git/index"
)
else()
set(GIT_COMMIT_ID "Unknown")
set(GIT_COMMIT_DATE "Unknown")
endif()
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/colmap/util/version.cc.in"
"${CMAKE_CURRENT_SOURCE_DIR}/src/colmap/util/version.cc")
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