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# Copyright (c) 2014-2020, The Monero Project
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. 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.
#
# 3. Neither the name of the copyright holder 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 HOLDER 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.
#
# Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
# Check what commit we're on
function (get_version_tag_from_git GIT)
execute_process(COMMAND "${GIT}" rev-parse --short=9 HEAD
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
RESULT_VARIABLE RET
OUTPUT_VARIABLE COMMIT
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(RET)
# Something went wrong, set the version tag to -unknown
message(WARNING "Cannot determine current commit. Make sure that you are building either from a Git working tree or from a source archive.")
set(VERSIONTAG "unknown")
set(VERSION_IS_RELEASE "false")
else()
string(SUBSTRING ${COMMIT} 0 9 COMMIT)
message(STATUS "You are currently on commit ${COMMIT}")
# Get all the tags
execute_process(COMMAND "${GIT}" tag -l --points-at HEAD
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
RESULT_VARIABLE RET
OUTPUT_VARIABLE TAG
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Check if we're building that tagged commit or a different one
if(TAG)
message(STATUS "You are building a tagged release")
set(VERSIONTAG "release")
set(VERSION_IS_RELEASE "true")
else()
message(STATUS "You are ahead of or behind a tagged release")
set(VERSIONTAG "${COMMIT}")
set(VERSION_IS_RELEASE "false")
endif()
endif()
set(VERSIONTAG "${VERSIONTAG}" PARENT_SCOPE)
set(VERSION_IS_RELEASE "${VERSION_IS_RELEASE}" PARENT_SCOPE)
endfunction()
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