version_update:
  stage: generate
  image: "alpine/git:latest"
  artifacts:
    reports:
      dotenv: update.env
  script:
    - |-
      set -x
      shopt -s globstar
      for updater in distros/**/update.sh; do
        bash "$updater"
      done
    - |-
      if git diff --quiet; then
        echo "No changes necessary"
      else
        echo "Found updates to make"
        git checkout -b "autoupdate/$CI_PIPELINE_IID"
        echo "BRANCH=autoupdate/$CI_PIPELINE_IID" >> update.env
        git config set user.name "Greg Hellings - automation"
        git config set user.email "greg@thehellings.com"
        git stage .
        git commit -m "Automatic update $CI_PIPEILNE_IID"
        git push "https://${GITLAB_USER_LOGIN}:${CI_GIT_TOKEN}@${CI_REPOSITORY_URL#*@}" HEAD
      fi

create_pr:
  image:
    name: registry.gitlab.com/python-gitlab/python-gitlab:latest
    entrypoint: [ '' ]
  stage: trigger
  needs:
    - version_update
  dependencies:
    - version_update
  variables:
    GIT_STRATEGY: none
    GITLAB_PRIVATE_TOKEN: $CI_GIT_TOKEN
  script:
    - test -z ${DO_UPDATE} && { echo "No updates required. Not creating PR"; exit 0; }
    - >-
      CREATE_MR="$(gitlab project-merge-request create
      --remote-source-branch true
      --project-id ${CI_PROJECT_ID}
      --source-branch "${BRANCH}"
      --target-branch "main"
      --title "Update ISO checksums")"
    - IID=${CREATE_MR#* }
    # Auto-merge through the REST API throws an error, and I can't get it to work through the
    # GraphQL API either. There it doesn't return an error, but the auto-merge does not happen
    #- >-
      #gitlab project-merge-request merge
      #--project-id ${CI_PROJECT_ID}
      #--iid ${IID}
      #--merge-when-pipeline-succeeds true
    #- echo "PR set to auto-merge if build succeeds"