Add instructions

    - .rules-merge-request

  variables:

    ARTIFACT_NAME: "mr-$CI_MERGE_REQUEST_IID--sha-$CI_COMMIT_SHORT_SHA--formatting-fix.patch"

    INSTRUCTIONS_GITLAB: "To fix formatting issues:\n

      - download the diff patch available as artifact of this job\n

      - unzip the artifact and place the patch file in the root directory of your local IVAS repo\n

      - run: git apply $ARTIFACT_NAME

      - commit new changes"

    INSTRUCTIONS_README: "To fix formatting issues:\n

      - place the patch file in the root directory of your local IVAS repo\n

      - run: git apply $ARTIFACT_NAME

      - commit new changes"

  stage: validate

  needs: []

  timeout: "5 minutes"

  script:

    - scripts/check-format.sh -af -p 8 || format_problems=$?

    - if [ $format_problems == 0 ] ; then exit 0; fi

    - git diff > formatting-fix.patch

    - mkdir tmp-formatting

    - git diff > "tmp-formatting/$ARTIFACT_NAME"

    # Print instructions to job output

    - echo $INSTRUCTIONS_GITLAB

    # Include readme in the artifact, in case someone misses the job printout (e.g. getting the artifact via MR interface)

    - echo $INSTRUCTIONS_README > "tmp-formatting/readme.txt"

    - exit $format_problems

  artifacts:

    paths:

      - formatting-fix.patch

      - tmp-formatting/

    when: on_failure

    name: $ARTIFACT_NAME

    expose_as: 'formatting patch'