kicad/cmake/CreateGitVersionHeader.cmake

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CMake
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#
# This program source code file is part of KICAD, a free EDA CAD application.
#
# Copyright (C) 2010 Wayne Stambaugh <stambaughw@gmail.com>
# Copyright (C) 2010-2018 KiCad Developers, see AUTHORS.txt for contributors.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, you may find one here:
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# or you may search the http://www.gnu.org website for the version 2 license,
# or you may write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
macro( create_git_version_header _git_src_path )
# Include Git support to automagically create version header file.
find_package( Git )
if( GIT_FOUND )
message( STATUS "Using Git to determine build version string." )
set( _Git_SAVED_LC_ALL "$ENV{LC_ALL}" )
set( ENV{LC_ALL} C )
# Use `git describe --dirty` to create the KiCad version string.
execute_process(
COMMAND
${GIT_EXECUTABLE} describe --dirty
WORKING_DIRECTORY ${_git_src_path}
OUTPUT_VARIABLE _git_DESCRIBE
ERROR_VARIABLE _git_describe_error
RESULT_VARIABLE _git_describe_result
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(
COMMAND
${GIT_EXECUTABLE} rev-list --count --first-parent HEAD
WORKING_DIRECTORY ${_git_src_path}
OUTPUT_VARIABLE _git_REV_COUNT
ERROR_VARIABLE _git_rev_count_error
RESULT_VARIABLE _git_rev_count_result
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(
COMMAND
${GIT_EXECUTABLE} rev-parse HEAD
WORKING_DIRECTORY ${_git_src_path}
OUTPUT_VARIABLE _git_REV_PARSE_HEAD
ERROR_VARIABLE _git_rev_parse_head_error
RESULT_VARIABLE _git_rev_parse_head_result
OUTPUT_STRIP_TRAILING_WHITESPACE)
set( ENV{LC_ALL} ${_Git_SAVED_LC_ALL} )
endif( GIT_FOUND )
# Check to make sure 'git' command did not fail. Otherwise fallback
# to KiCadVersion.cmake as the revision level.
if( _git_describe_result EQUAL 0 )
set( KICAD_VERSION "${_git_DESCRIBE}" )
else()
message( STATUS "git describe returned error ${_git_describe_result}: ${_git_describe_error}" )
endif()
if( _git_rev_parse_head_result EQUAL 0 )
set( KICAD_COMMIT_HASH "${_git_REV_PARSE_HEAD}" )
else()
message( STATUS "git rev-parse returned error ${_git_rev_parse_head_result}: ${_git_rev_parse_head_error}" )
# placeholder if we can't get a real hash
set( KICAD_COMMIT_HASH "0000000000000000000000000000000000000000" )
endif()
if( _git_rev_count_result EQUAL 0 )
set( KICAD_GIT_REV "${_git_REV_COUNT}" )
# Sanity check
if (NOT KICAD_GIT_REV MATCHES "^[0-9]+$")
set( KICAD_GIT_REV "0" )
endif ()
else()
message( STATUS "git rev-list --count returned error ${_git_rev_count_result}: ${_git_rev_count_error}" )
# Incase the command failed, we can just default to 0, only a problem in CI right now
set( KICAD_GIT_REV "0" )
endif()
endmacro()