Added cmake file to compute version information

- Reads BERGAMOT_VERSION file for generating various strings
   for versioning
This commit is contained in:
Abhishek Aggarwal 2021-05-17 17:33:23 +02:00 committed by abhi-agg
parent 3e70587672
commit c1ef6f2bcb

View File

@ -0,0 +1,60 @@
##
# This CMake modules sets the project version from a version file.
#
# The module sets the following variables:
#
# * PROJECT_VERSION_STRING
# * PROJECT_VERSION_STRING_FULL
# * PROJECT_VERSION_MAJOR
# * PROJECT_VERSION_MINOR
# * PROJECT_VERSION_PATCH
# * PROJECT_VERSION_TWEAK
# * PROJECT_VERSION_GIT_SHA
#
# This module is public domain, use it as it fits you best.
##
# Get full string version from file
if(PROJECT_VERSION_FILE)
file(STRINGS ${PROJECT_VERSION_FILE} PROJECT_VERSION_STRING)
else()
file(STRINGS ${CMAKE_CURRENT_SOURCE_DIR}/BERGAMOT_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})