qpms/version.cmake

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CMake
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# based on https://www.mattkeeter.com/blog/2018-01-06-versioning/
execute_process(COMMAND git describe --tags --dirty --always
OUTPUT_VARIABLE GIT_REV
ERROR_QUIET)
# Check whether we got any revision (which isn't
# always the case, e.g. when someone downloaded a zip
# file from Github instead of a checkout)
if ("${GIT_REV}" STREQUAL "")
set(GIT_REV "N/A")
set(GIT_BRANCH "N/A")
else()
execute_process(
COMMAND git rev-parse --abbrev-ref HEAD
OUTPUT_VARIABLE GIT_BRANCH)
string(STRIP "${GIT_REV}" GIT_REV)
string(STRIP "${GIT_BRANCH}" GIT_BRANCH)
endif()
set(VERSION "const char* GIT_REV=\"${GIT_REV}\";
const char* GIT_BRANCH=\"${GIT_BRANCH}\";")
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/qpms_version.c)
file(READ ${CMAKE_CURRENT_SOURCE_DIR}/qpms_version.c VERSION_)
else()
set(VERSION_ "")
endif()
if (NOT "${VERSION}" STREQUAL "${VERSION_}")
file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/qpms_version.c "${VERSION}")
endif()