Add new file

.gitlab-ci.yml

+# from Dennis: select (default) image and (default) runner
+default:
+  image:
+    name: docker-registry.ebrains.eu/clb-jupyter-image/base
+    entrypoint: [""]
+  tags:
+    - docker-runner
+--------------------------------
+# Generate the "spack pipeline" and build it
+stages:
+  - generate
+  - build
+
+# UHEI spack version and branch
+variables:
+  SPACK_REPO: https://github.com/electronicvisions/spack
+  # ebrains_testing contains bug fix for failing uid => username lookup in container
+  # (was "visionary")
+  SPACK_REF: ebrains_testing
+
+generate-pipeline:
+  stage: generate
+  before_script:
+    # clone spack and set checkout to correct ref
+    - git clone ${SPACK_REPO}
+    - pushd spack && git checkout ${SPACK_REF} && git log -n 1 && popd
+    - . "./spack/share/spack/setup-env.sh"
+  script:
+    # add system compiler
+    - spack compiler find
+    # print some infos about the environment
+    - spack compilers
+    - spack arch
+    # ... system compiler is "gcc@4.8.5"
+    # activate env (spack.yaml) and generate pipeline.yml for the build step
+    - spack -d env activate --without-view .
+    - spack -d ci generate --optimize
+      --output-file "${CI_PROJECT_DIR}/jobs_scratch_dir/pipeline.yml"
+  artifacts:
+    paths:
+      - "${CI_PROJECT_DIR}/jobs_scratch_dir/pipeline.yml"
+
+build-jobs:
+  stage: build
+  trigger:
+    include:
+      - artifact: "jobs_scratch_dir/pipeline.yml"
+        job: generate-pipeline
+    strategy: depend