d/.gitlab-ci.yml: Add CI

image: debian:sid

build:

  stage: build

  before_script:

    - apt-get update && apt-get -y install devscripts git-buildpackage 

    - mk-build-deps --tool "apt -y -o Debug::pkgProblemResolver=yes --no-install-recommends" --install -r debian/control 

  script:

    - git checkout pristine-tar 

    - git pull 

    - git checkout master

    - git pull 

    # silence build to not exceed build log size of gitlab-ci

    - gbp buildpackage -uc -us 2>&1 >../build.log ||  tail -n 100 ../build.log && exit 1