Fix syntax of CI configuration file

.compose-gitlab-ci.yml

@@ -16,24 +16,19 @@ buildrawlatex:
   stage: build
   tags: ['guix']
   script:
-
     # create the public repository where to publish
     - mkdir -p static/rawlatex/
-
     # Publish the org content
     - cd rawlatex
     - guix time-machine --channels=compose-publish-channels.scm -- shell --pure --manifest=compose-publish-manifest.scm -- latexmk -pdf -xelatex -interaction=nonstopmode
     - cd ..
-
     # Make index of public folder:
     - cp rawlatex/*.pdf static/rawlatex/
-
   artifacts:
     paths:
       - static/rawlatex/
   rules:
-    - if: '$CI_COMMIT_BRANCH == "master"'
-      if: '$CI_PIPELINE_SOURCE == "push"'
+    - if: '$CI_COMMIT_BRANCH == "master" && $CI_PIPELINE_SOURCE == "push"'
       # changes:
       #     - rawlatex/*.tex
       #     - rawlatex/*/*.tex