.gitlab-ci.yml

# This file is a template, and might need editing before it works on your project.
# Official docker image.
image: docker:latest

services:
  - docker:dind

before_script:
  - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD"

build-master:
  stage: build
  script:
    - docker build --pull -t "sdvcrx/hugo-firebase" .
    - docker push "sdvcrx/hugo-firebase"
  only:
    refs:
      - master
    changes:
      - Dockerfile

build-tags:
  stage: build
  script:
    - docker build --pull -t "sdvcrx/hugo-firebase:$CI_COMMIT_TAG" -t "sdvcrx/hugo-firebase" .
    - docker push "sdvcrx/hugo-firebase:$CI_COMMIT_TAG"
    - docker push "sdvcrx/hugo-firebase"
  only:
    - tags

check-update:
  stage: build
  script:
    - apk update && apk add jq openssh-client git sed curl
    - eval $(ssh-agent -s)
    - echo "$GIT_SSH_PRIV_KEY"
    - echo "$GIT_SSH_PRIV_KEY" | tr -d '\r' | ssh-add - > /dev/null
    - git config --global user.email "memory.silentvoyage@gmail.com"
    - git config --global user.name "sdvcrx-bot"
    - mkdir -p ~/.ssh && chmod 700 ~/.ssh
    - ssh-keyscan gitlab.com >> ~/.ssh/known_hosts
    - git clone git@gitlab.com:sdvcrx/docker-hugo-firebase.git
    - cd docker-hugo-firebase
    - DOCKER_TAG=$(grep 'ENV' Dockerfile | cut -d ' ' -f 3)
    - LATEST_TAG=$(curl -m 10 --retry 5 --silent "https://api.github.com/repos/gohugoio/hugo/tags" | jq -r '.[0].name' | cut -d 'v' -f 2)
    - if [ "$DOCKER_TAG" = "$LATEST_TAG" ]; then echo "latest tag is same => $DOCKER_TAG" && exit 0; fi
    - sed -i "s|$DOCKER_TAG|$LATEST_TAG|g" Dockerfile
    - git add Dockerfile && git commit -m "Update hugo to v$LATEST_TAG"
    - git tag -a "$LATEST_TAG" -m "$LATEST_TAG"
    - git push && git push --tags
  only:
    - schedules