when:
  - event: push
    path: 
      - 'nextcloud/**'
      - '.woodpecker/nextcloud.yaml'
  - event: cron
    cron: daily

# Manually set a workspace path, so we can use it literally, without using
# ${CI_WORKSPACE}, when running kaniko, since using ${CI_WORKSPACE} doesn't work.
# https://github.com/woodpecker-ci/woodpecker/issues/3982
workspace:
  path: src

# Use matrix to set NEXTCLOUD_VERSION instead of setting the NEXTCLOUD_VERSION as
# an environment variable in the build-images step, since string substitution
# doesn't work for custom environment variables.
# https://github.com/woodpecker-ci/woodpecker/issues/3983
# Also because global environment variables aren't a thing.
matrix:
  NEXTCLOUD_VERSION:
    - 28
    - 29
  IMAGE_NAME:
    - git.hamburg.ccc.de/ccchh/oci-images/nextcloud

steps:
  - name: setup-image-path
    image: docker.io/library/alpine
    commands:
      - mkdir /woodpecker/images

  - name: build-image
    image: gcr.io/kaniko-project/executor
    entrypoint:
      - /kaniko/executor
      - --context=dir:///woodpecker/src/nextcloud
      - --dockerfile=./Containerfile
      - --build-arg=TAG=${NEXTCLOUD_VERSION}
      - --destination=${IMAGE_NAME}:${NEXTCLOUD_VERSION}
      - --no-push
      - --tar-path=/woodpecker/images/nextcloud.tar
      - --cache-run-layers=false 

  - name: publish-image
    image: docker.io/library/alpine
    secrets:
      - GIT_API_TOKEN
    commands:
      - apk -u add crane
      - crane auth login git.hamburg.ccc.de -u woodpecker -p $GIT_API_TOKEN
      - crane push /woodpecker/images/nextcloud.tar $IMAGE_NAME:$NEXTCLOUD_VERSION

  - name: tag-branch-and-latest
    image: docker.io/library/alpine
    when:
      - branch: main
        evaluate: 'NEXTCLOUD_VERSION == "28"'
    secrets:
      - GIT_API_TOKEN
    commands:
      - apk -u add crane
      - crane auth login git.hamburg.ccc.de -u woodpecker -p $GIT_API_TOKEN
      - crane tag $IMAGE_NAME:$NEXTCLOUD_VERSION $CI_COMMIT_BRANCH
      - crane tag $IMAGE_NAME:$NEXTCLOUD_VERSION latest