stages:
    - build
    - optimize
    - package

variables:
    EXPORT_DIR: "rpg16"

before_script:
    - apt-get -qq update && apt-get -qq install -y graphicsmagick rsync optipng

build-textures:
    stage: build
    script:
        - "./export.sh"

    artifacts:
        paths:
            - "rpg16/"

optimize:
    stage: optimize
    only:
        - tags
    script:
        - "find ${EXPORT_DIR} -name '*.png' | xargs optipng -o5 -fix"

    artifacts:
        paths:
            - "rpg16/"
    dependencies:
        - build-textures

stamp:
    stage: package
    only:
        - tags
    script:
        - "./stamp.sh ${CI_COMMIT_TAG}"

    artifacts:
        paths:
            - "rpg16/"
    dependencies:
        - optimize