if (GIT_EXECUTABLE) # refresh git index execute_process(COMMAND ${GIT_EXECUTABLE} update-index -q --refresh WORKING_DIRECTORY ${TOP_SOURCE_DIR} TIMEOUT 5 OUTPUT_QUIET ERROR_VARIABLE EXEC_ERR OUTPUT_STRIP_TRAILING_WHITESPACE ) #later use git describe here execute_process( COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD WORKING_DIRECTORY ${TOP_SOURCE_DIR} OUTPUT_VARIABLE THIS_GIT_ID OUTPUT_STRIP_TRAILING_WHITESPACE) execute_process( COMMAND ${GIT_EXECUTABLE} diff-index --name-only HEAD WORKING_DIRECTORY ${TOP_SOURCE_DIR} OUTPUT_VARIABLE _HAS_CHANGES OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET) if (NOT "${_HAS_CHANGES}" STREQUAL "") set(THIS_GIT_ID "${THIS_GIT_ID} (dirty)") endif() message("Current git revision is ${THIS_GIT_ID}") set(THIS_GIT_ID "gitid: ${THIS_GIT_ID}") else() set (THIS_GIT_ID) endif() file(READ ${INPUT} CONTENT) string(REGEX REPLACE "#CSG_GIT_ID#" "${THIS_GIT_ID}" NEW_CONTENT "${CONTENT}") file(WRITE "${OUTPUT}.tmp" "${NEW_CONTENT}") execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${OUTPUT}.tmp ${OUTPUT}) execute_process(COMMAND ${CMAKE_COMMAND} -E remove ${OUTPUT}.tmp)