QGIS/cmake/CreateQgsVersion.cmake

# Creates version files
#  qgsversion.h that defines QGSVERSION
#  qgsversion.inc for doxygen

MACRO(CREATE_QGSVERSION)
  IF (EXISTS ${CMAKE_SOURCE_DIR}/.git/index)
    FIND_PROGRAM(GITCOMMAND git PATHS c:/cygwin/bin)
    IF(GITCOMMAND)
      IF(WIN32 AND NOT CMAKE_CROSS_COMPILING)
        IF(USING_NINJA)
         SET(ARG %a)
        ELSE(USING_NINJA)
         SET(ARG %%a)
        ENDIF(USING_NINJA)
        ADD_CUSTOM_COMMAND(
          OUTPUT ${CMAKE_BINARY_DIR}/qgsversion.h.out ${CMAKE_BINARY_DIR}/qgsversion.inc
          COMMAND for /f \"usebackq tokens=1\" ${ARG} in "(`\"${GITCOMMAND}\" log -n1 --oneline`)" do echo \#define QGSVERSION \"${ARG}\" >${CMAKE_BINARY_DIR}/qgsversion.h.temp
          COMMAND for /f \"usebackq tokens=1\" ${ARG} in "(`\"${GITCOMMAND}\" log -n1 --oneline`)" do echo PROJECT_NUMBER = \"${COMPLETE_VERSION}-${RELEASE_NAME} \(${ARG}\)\" >${CMAKE_BINARY_DIR}/qgsversion.inc
          COMMAND ${CMAKE_COMMAND} -DSRC=${CMAKE_BINARY_DIR}/qgsversion.h.temp -DDST=${CMAKE_BINARY_DIR}/qgsversion.h.out -P ${CMAKE_SOURCE_DIR}/cmake/CopyIfChanged.cmake
          MAIN_DEPENDENCY ${CMAKE_SOURCE_DIR}/.git/index
          WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        )
      ELSE(WIN32 AND NOT CMAKE_CROSS_COMPILING)
        ADD_CUSTOM_COMMAND(
          OUTPUT ${CMAKE_BINARY_DIR}/qgsversion.h.out ${CMAKE_BINARY_DIR}/qgsversion.inc
          COMMAND ${GITCOMMAND} log -n1 --pretty=\#define\\ QGSVERSION\\ \\"%h\\" >${CMAKE_BINARY_DIR}/qgsversion.h.temp
          COMMAND ${GITCOMMAND} log -n1 --pretty='PROJECT_NUMBER = \"${COMPLETE_VERSION}-${RELEASE_NAME} \(%h\)\"' >${CMAKE_BINARY_DIR}/qgsversion.inc
          COMMAND ${GITCOMMAND} config remote.$$\(${GITCOMMAND} config branch.$$\(${GITCOMMAND} name-rev --name-only HEAD\).remote\).url | sed -e 's/^/\#define QGS_GIT_REMOTE_URL \"/' -e 's/$$/\"/' >>${CMAKE_BINARY_DIR}/qgsversion.h.temp
          COMMAND ${CMAKE_COMMAND} -DSRC=${CMAKE_BINARY_DIR}/qgsversion.h.temp -DDST=${CMAKE_BINARY_DIR}/qgsversion.h.out -P ${CMAKE_SOURCE_DIR}/cmake/CopyIfChanged.cmake
          MAIN_DEPENDENCY ${CMAKE_SOURCE_DIR}/.git/index
          WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        )
      ENDIF(WIN32 AND NOT CMAKE_CROSS_COMPILING)
    ELSE(GITCOMMAND)
      MESSAGE(STATUS "git marker, but no git found - version will be unknown")
      IF(NOT SHA)
        SET(SHA "unknown")
      ENDIF(NOT SHA)
      FILE(WRITE ${CMAKE_BINARY_DIR}/qgsversion.h.out "#define QGSVERSION \"${SHA}\"\n")
      FILE(WRITE ${CMAKE_BINARY_DIR}/qgsversion.inc "PROJECT_NUMBER = \"${COMPLETE_VERSION}-${RELEASE_NAME} (${SHA})\"\n")
    ENDIF(GITCOMMAND)
  ELSE (EXISTS ${CMAKE_SOURCE_DIR}/.git/index)
    IF(NOT SHA)
      SET(SHA "exported")
    ENDIF(NOT SHA)
    FILE(WRITE ${CMAKE_BINARY_DIR}/qgsversion.h.out "#define QGSVERSION \"${SHA}\"\n")
    FILE(WRITE ${CMAKE_BINARY_DIR}/qgsversion.inc "PROJECT_NUMBER = \"${COMPLETE_VERSION}-${RELEASE_NAME} (${SHA})\"\n")
  ENDIF (EXISTS ${CMAKE_SOURCE_DIR}/.git/index)

  execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/qgsversion.h.out ${CMAKE_BINARY_DIR}/qgsversion.h)

  ADD_CUSTOM_TARGET(version ALL DEPENDS ${CMAKE_BINARY_DIR}/qgsversion.h)
ENDMACRO(CREATE_QGSVERSION)