cmake/Version.cmake
if(PROJECT_VERSION_FILE)
file(STRINGS ${PROJECT_VERSION_FILE} PROJECT_VERSION_STRING)
else()
file(STRINGS ${CMAKE_SOURCE_DIR}/VERSION PROJECT_VERSION_STRING)
endif()
# Get current commit SHA from git
execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE PROJECT_VERSION_GIT_SHA
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Get partial versions into a list
string(REGEX MATCHALL "-.*$|[0-9]+" PROJECT_PARTIAL_VERSION_LIST
${PROJECT_VERSION_STRING})
# Set the version numbers
list(GET PROJECT_PARTIAL_VERSION_LIST 0 PROJECT_VERSION_MAJOR)
list(GET PROJECT_PARTIAL_VERSION_LIST 1 PROJECT_VERSION_MINOR)
list(GET PROJECT_PARTIAL_VERSION_LIST 2 PROJECT_VERSION_PATCH)
# The tweak part is optional, so check if the list contains it
list(LENGTH PROJECT_PARTIAL_VERSION_LIST PROJECT_PARTIAL_VERSION_LIST_LEN)
if(PROJECT_PARTIAL_VERSION_LIST_LEN GREATER 3)
list(GET PROJECT_PARTIAL_VERSION_LIST 3 PROJECT_VERSION_TWEAK)
string(SUBSTRING ${PROJECT_VERSION_TWEAK} 1 -1 PROJECT_VERSION_TWEAK)
endif()
# Unset the list
unset(PROJECT_PARTIAL_VERSION_LIST)
# Set full project version string
set(PROJECT_VERSION_STRING_FULL
${PROJECT_VERSION_STRING}+${PROJECT_VERSION_GIT_SHA})
# Print all variables for debugging
message(STATUS ${PROJECT_VERSION_STRING_FULL})
message(STATUS ${PROJECT_VERSION_STRING})
message(STATUS ${PROJECT_VERSION_MAJOR})
message(STATUS ${PROJECT_VERSION_MINOR})
message(STATUS ${PROJECT_VERSION_PATCH})
message(STATUS ${PROJECT_VERSION_TWEAK})
message(STATUS ${PROJECT_VERSION_GIT_SHA})