CMakeLists.txt

### Maintainer: mpohling[@techfak.uni-bielefeld.de] ###

cmake_minimum_required(VERSION 2.8)
PROJECT(csra-db)
SET(CMAKE_BUILD_TYPE distribution)

IF(NOT DEFINED BCO_DB_HOME)
    SET(BCO_DB_HOME "share/bco/registry/db")
ENDIF ()

IF(NOT DEFINED BCO_DB_GIT_URL)
    EXECUTE_PROCESS(COMMAND git config --get remote.origin.url OUTPUT_VARIABLE BCO_DB_GIT_URL OUTPUT_STRIP_TRAILING_WHITESPACE)
    MESSAGE("Found remote url: ${BCO_DB_GIT_URL}")
ENDIF ()

IF (NOT CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
    SET(INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX})
    MESSAGE("-- Use given install PREFIX: ${INSTALL_PREFIX}")
ELSEIF (DEFINED ENV{prefix})
    SET(INSTALL_PREFIX $ENV{prefix})
    MESSAGE("-- Found global install PREFIX: ${INSTALL_PREFIX}")
    MESSAGE("---- Set -DCMAKE_INSTALL_PREFIX for using a custom prefix.")
ELSE ()
    SET(INSTALL_PREFIX "$ENV{HOME}/.local/share")
    MESSAGE("-- Use default prefix: ${INSTALL_PREFIX}")
    MESSAGE("---- Set -DCMAKE_INSTALL_PREFIX for using a custom prefix.")
ENDIF()

SET(DB_DOWNLOAD_FOLDER ${CMAKE_BINARY_DIR}/db-clone)

IF (EXISTS ${DB_DOWNLOAD_FOLDER})
    FILE(REMOVE_RECURSE ${DB_DOWNLOAD_FOLDER})
ENDIF()

file(MAKE_DIRECTORY ${DB_DOWNLOAD_FOLDER})

MESSAGE("Download repository ${BCO_DB_GIT_URL} into ${DB_DOWNLOAD_FOLDER}")
EXECUTE_PROCESS(COMMAND git clone ${BCO_DB_GIT_URL} ${DB_DOWNLOAD_FOLDER})



IF(DEFINED BCO_DB_GIT_PATH)
    MESSAGE("Manual db version overwrite detected!")
    SET(BCO_BRANCH ${BCO_DB_GIT_PATH})
ELSE()
    EXECUTE_PROCESS(COMMAND git rev-parse --abbrev-ref HEAD OUTPUT_VARIABLE BCO_BRANCH OUTPUT_STRIP_TRAILING_WHITESPACE)
ENDIF()

MESSAGE("Checkout: ${BCO_BRANCH}")
EXECUTE_PROCESS(COMMAND git -C ${DB_DOWNLOAD_FOLDER} checkout ${BCO_BRANCH})

IF (EXISTS ${INSTALL_PREFIX}/${BCO_DB_HOME})
    IF(${FORCE})
        FILE(REMOVE_RECURSE ${INSTALL_PREFIX}/${BCO_DB_HOME})
    ELSE()
        MESSAGE(SEND_ERROR "Abort installation! Database cannot be overwritten. Set -DFORCE=true to overwrite the database.")
    ENDIF()
ENDIF()

### Create db folder ###
FILE(MAKE_DIRECTORY ${INSTALL_PREFIX}/${BCO_DB_HOME})

IF(${READ_ONLY})
    SET(DB_PERMISSIONS PATTERN "*.json" PERMISSIONS OWNER_READ GROUP_READ WORLD_READ)
ELSE()
    SET(DB_PERMISSIONS PATTERN "*.json" PERMISSIONS OWNER_READ GROUP_READ WORLD_READ OWNER_WRITE GROUP_WRITE)
ENDIF()

### Install data into volume ###
INSTALL(DIRECTORY "${DB_DOWNLOAD_FOLDER}/" DESTINATION ${INSTALL_PREFIX}/${BCO_DB_HOME} ${DB_PERMISSIONS})
INSTALL(PROGRAMS "${DB_DOWNLOAD_FOLDER}/install.sh" DESTINATION ${INSTALL_PREFIX}/${BCO_DB_HOME})
INSTALL(PROGRAMS "${DB_DOWNLOAD_FOLDER}/reset.sh" DESTINATION ${INSTALL_PREFIX}/${BCO_DB_HOME})