Merge branch 'runtime-is-reference-ci' into 'master'

[CI] Make pacxx-runtime the authoritative place for ci-main.yml

See merge request !6

ci-main.yml

@@ -19,12 +19,12 @@ check-ci-main.yml:
   stage: source
   image: alpine:latest
   variables:
-    REFERENCE: https://gitlab.dune-project.org/joe/pacxx-docker/raw/master/ci-main.yml
+    REFERENCE: https://zivgitlab.uni-muenster.de/HPC2SE-Project/pacxx-runtime/raw/master/ci-main.yml
   script:
   - apk add curl
-  - curl -f -o ci-main.yml.upstream "$REFERENCE"
-  - if ! diff -u ci-main.yml.upstream ci-main.yml; then
-      echo "Outdated ci setup, please update ci-main.yml from $REFERENCE";
+  - curl -f -o ci-main.yml.reference "$REFERENCE"
+  - if ! diff -u ci-main.yml.reference ci-main.yml; then
+      echo "Outdated ci setup, consider updating ci-main.yml from $REFERENCE";
       exit 2;
     fi
   tags: