CMakeLists.txt

cmake_minimum_required(VERSION 2.8 FATAL_ERROR)

project(cartridge C)

set(PYTHON3_EXECUTABLE "python3")
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY TRUE)

# Find Tarantool and Lua dependencies
set(TARANTOOL_FIND_REQUIRED ON)
find_package(Tarantool)
include_directories(${TARANTOOL_INCLUDE_DIRS})

get_filename_component(WEB_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/webui" ABSOLUTE)

file(GLOB_RECURSE FRONTEND_FILES
  "${CMAKE_CURRENT_SOURCE_DIR}/webui/src/*.js"
  "${CMAKE_CURRENT_SOURCE_DIR}/webui/src/*.svg"
  "${CMAKE_CURRENT_SOURCE_DIR}/webui/config/*.prod.js"
  "${CMAKE_CURRENT_SOURCE_DIR}/webui/scripts/build.js"
  "${CMAKE_CURRENT_SOURCE_DIR}/webui/src/*.css"
)

file(GLOB_RECURSE LUA_FILES
  "${CMAKE_CURRENT_SOURCE_DIR}/cartridge.lua"
  "${CMAKE_CURRENT_SOURCE_DIR}/cartridge/*.lua"
)

file(GLOB_RECURSE DOC_FILES
  "${CMAKE_CURRENT_SOURCE_DIR}/rst/*"
)

## VERSION ####################################################################
###############################################################################

execute_process(
  COMMAND git describe --tags --always
  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
  OUTPUT_STRIP_TRAILING_WHITESPACE
  OUTPUT_VARIABLE GIT_DESCRIBE
  ERROR_QUIET
)

if (NOT GIT_DESCRIBE)
  set(GIT_DESCRIBE "unknown")
endif()

configure_file (
  "${PROJECT_SOURCE_DIR}/cartridge/VERSION.lua.in"
  "${CMAKE_CURRENT_BINARY_DIR}/VERSION.lua"
)

## Webui ######################################################################
###############################################################################

add_custom_command(
  OUTPUT "${WEB_ROOT}/build/always-run-script"
  COMMAND ${CMAKE_COMMAND} -P ${WEB_ROOT}/BuildFrontend.cmake
  COMMENT "Building WebUI"
)

if(DEFINED ENV{CMAKE_DUMMY_WEBUI})
  set(DUMMY_WEBUI "$ENV{CMAKE_DUMMY_WEBUI}")
endif()

if(DUMMY_WEBUI)
  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/front-bundle.fake.lua"
    "return {__data = function() return {} end}\n"
  )
  add_custom_target(front-bundle ALL
    COMMAND ${CMAKE_COMMAND} -E copy
      "${CMAKE_CURRENT_BINARY_DIR}/front-bundle.fake.lua"
      "${CMAKE_CURRENT_BINARY_DIR}/front-bundle.lua"
    COMMENT "Generating fake front-bundle.lua"
    VERBATIM
  )
else()
  add_custom_target(front-bundle ALL
    DEPENDS "${WEB_ROOT}/build/always-run-script"
    COMMAND ${CMAKE_COMMAND} -E copy
      "${WEB_ROOT}/build/bundle.lua"
      "${CMAKE_CURRENT_BINARY_DIR}/front-bundle.lua"
    COMMENT "Copying real front-bundle.lua"
    VERBATIM
  )
endif()


## API doc ####################################################################
###############################################################################

set(DOC_OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/doc)

if(DEFINED ENV{CMAKE_LDOC_FIND_REQUIRED})
  set(Ldoc_FIND_REQUIRED "$ENV{CMAKE_LDOC_FIND_REQUIRED}")
endif()
find_package(Ldoc)

if(DEFINED ENV{CMAKE_SPHINX_FIND_REQUIRED})
  set(Sphinx_FIND_REQUIRED "$ENV{CMAKE_SPHINX_FIND_REQUIRED}")
endif()
find_package(Sphinx)

add_custom_command(
  OUTPUT ${DOC_OUTPUT}/index.html
  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
  COMMAND ${CMAKE_COMMAND} -E copy_directory
    ${CMAKE_CURRENT_SOURCE_DIR}/rst
    ${CMAKE_CURRENT_BINARY_DIR}/build.rst
  COMMAND ${CMAKE_COMMAND} -E copy
    ${CMAKE_CURRENT_SOURCE_DIR}/README.rst
    ${CMAKE_CURRENT_BINARY_DIR}/build.rst/README.rst
  COMMAND ${CMAKE_COMMAND} -E copy
    ${CMAKE_CURRENT_SOURCE_DIR}/CONTRIBUTING.rst
    ${CMAKE_CURRENT_BINARY_DIR}/build.rst/CONTRIBUTING.rst
  COMMAND ${CMAKE_COMMAND} -E copy
    ${CMAKE_CURRENT_SOURCE_DIR}/CHANGELOG.rst
    ${CMAKE_CURRENT_BINARY_DIR}/build.rst/CHANGELOG.rst
  COMMAND ${LDOC} --all .
    --ext rst
    --dir "${CMAKE_CURRENT_BINARY_DIR}/build.rst/cartridge_api"
  COMMAND ${SPHINX}
      "${CMAKE_CURRENT_BINARY_DIR}/build.rst"
      "${DOC_OUTPUT}"
      -d "${CMAKE_CURRENT_BINARY_DIR}/.doctrees"
      -b html
  DEPENDS ${DOC_FILES} ${LUA_FILES}
  COMMENT "Building API documentation"
  VERBATIM
)

add_custom_target(update-pot
    COMMAND "${SPHINX}"
        "${CMAKE_CURRENT_BINARY_DIR}/rst"
        "${CMAKE_CURRENT_BINARY_DIR}/rst/locale/en/"
        -c rst/
        -d "${CMAKE_CURRENT_BINARY_DIR}/.doctrees"
        -b gettext
    COMMENT "Generate localization templates"
)

add_custom_target(update-po
    COMMAND "sphinx-intl"
        update
        -p "${CMAKE_CURRENT_BINARY_DIR}/rst/locale/en/"
        -d "${CMAKE_CURRENT_BINARY_DIR}/rst/locale/"
        -l "ru"
    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
    COMMENT "Regenerate localization files from templates"
)

add_custom_target(cleanup-po
    COMMAND "${PYTHON3_EXECUTABLE}"
        cleanup.py
        po
    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/rst/locale
    COMMENT "Cleanup and rearrange PO files"
)

if(Ldoc_FOUND AND Sphinx_FOUND)
  add_custom_target(doc ALL
    DEPENDS "${DOC_OUTPUT}/index.html")
else()
  add_custom_target(doc
    DEPENDS "${DOC_OUTPUT}/index.html")
endif()

## GraphQL schema #############################################################
###############################################################################

add_custom_command(
  OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/doc/schema.graphql
  COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/fetch-schema.sh
  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
  DEPENDS ${LUA_FILES}
  COMMENT "Fetching GraphQL schema"
)
add_custom_target(schema
  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/doc/schema.graphql
)

## Testing ####################################################################
###############################################################################

enable_testing()

add_test(
  NAME lint
  COMMAND luacheck .
  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)

## Install ####################################################################
###############################################################################

install(
  DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}
  DESTINATION ${TARANTOOL_INSTALL_LUADIR}
)

install(
  FILES ${CMAKE_CURRENT_SOURCE_DIR}/cartridge.lua
  DESTINATION ${TARANTOOL_INSTALL_LUADIR}
)

install(
  PROGRAMS ${CMAKE_CURRENT_SOURCE_DIR}/stateboard.init.lua
  DESTINATION ${TARANTOOL_INSTALL_BINDIR}
  RENAME stateboard
)

install(
  FILES
    ${CMAKE_CURRENT_BINARY_DIR}/VERSION.lua
    ${CMAKE_CURRENT_BINARY_DIR}/front-bundle.lua
  DESTINATION ${TARANTOOL_INSTALL_LUADIR}/${PROJECT_NAME}/
)