# This is called by cmake as an extermal process from
# ./src/CMakeLists.txt and creates inkscape-version.cpp
#
# These variables are defined by the caller, matching the CMake equivilents.
# - ${INKSCAPE_SOURCE_DIR}
# - ${INKSCAPE_BINARY_DIR}

# We should extract the version from build.xml
# but for now just hard code

set(INKSCAPE_REVISION "unknown")
set(INKSCAPE_CUSTOM "custom")

if(EXISTS ${INKSCAPE_SOURCE_DIR}/.git/)

    execute_process(COMMAND git describe
        WORKING_DIRECTORY ${INKSCAPE_SOURCE_DIR}
        OUTPUT_VARIABLE INKSCAPE_REV1
        OUTPUT_STRIP_TRAILING_WHITESPACE)
    execute_process(COMMAND git log -n 1 --pretty=%ad --date=short
        WORKING_DIRECTORY ${INKSCAPE_SOURCE_DIR}
        OUTPUT_VARIABLE INKSCAPE_REV2
        OUTPUT_STRIP_TRAILING_WHITESPACE)
    set(INKSCAPE_REVISION "${INKSCAPE_REV1} ${INKSCAPE_REV2}")

    execute_process(COMMAND
        git status -s ${INKSCAPE_SOURCE_DIR}/src
        WORKING_DIRECTORY ${INKSCAPE_SOURCE_DIR}
        OUTPUT_VARIABLE INKSCAPE_SOURCE_MODIFIED
        OUTPUT_STRIP_TRAILING_WHITESPACE)
    if(NOT INKSCAPE_SOURCE_MODIFIED STREQUAL "")
        set(INKSCAPE_REVISION "${INKSCAPE_REVISION} ${INKSCAPE_CUSTOM}")
    endif()
endif()
message("revision is " ${INKSCAPE_REVISION})

configure_file(${INKSCAPE_SOURCE_DIR}/src/inkscape-version.cpp.in ${INKSCAPE_BINARY_DIR}/src/inkscape-version.cpp)