WIP: Pipeline requirements.

.docker/Dockerfile

@@ -25,7 +25,7 @@ ADD https://gitlab.com/api/v4/projects/13656973/repository/branches/dev \
 RUN git clone https://gitlab.com/caosdb/caosdb-pylib.git && \
    cd caosdb-pylib && git checkout dev && pip3 install .
 # At least recommonmark 0.6 required.
-RUN pip3 install recommonmark sphinx-rtd-theme
+RUN pip3 install html2text pycodestyle pylint recommonmark sphinx-rtd-theme
 COPY . /git
 RUN rm -r /git/.git \
     && mv /git/.docker/pycaosdb.ini /git/integrationtests

.gitlab-ci.yml

@@ -109,7 +109,7 @@ style:
   tags: [docker]
   stage: style
   image: $CI_REGISTRY_IMAGE
-  needs: []
+  needs: [build-testenv]
   script:
       - make style
   allow_failure: true
@@ -118,7 +118,7 @@ linting:
   tags: [docker]
   stage: style
   image: $CI_REGISTRY_IMAGE
-  needs: []
+  needs: [build-testenv]
   script:
       - make lint
   allow_failure: true
@@ -127,7 +127,7 @@ unittest:
   tags: [docker]
   stage: unittest
   image: $CI_REGISTRY_IMAGE
-  needs: []
+  needs: [build-testenv]
   script:
       - tox