.gitlab-ci.yml

variables:
  DEBIAN_FRONTEND: noninteractive
  APT_GET_INSTALL: "apt-get install --no-install-recommends -q -y"

stages:
  - check_coding_style
  - test_build
  - release
  - deploy

pre-commit:
  stage: check_coding_style
  image:
    # https://hub.docker.com/_/alpine
    name: alpine:latest
  script:
    - date
    # install necessary packages:
    - apk add --no-cache bash gcc git libc-dev npm py3-pip python3-dev
    - pip3 install pre-commit
    - pre-commit --version
    - pre-commit run --all-files

arduino-lint:
  stage: check_coding_style
  image:
    # https://hub.docker.com/_/debian
    name: debian:latest
  script:
    - date
    - apt-get update
    - $APT_GET_INSTALL curl ca-certificates
    - (cd && curl -fsSL https://raw.githubusercontent.com/arduino/arduino-lint/main/etc/install.sh | sh)
    - ~/bin/arduino-lint --version
    - ~/bin/arduino-lint --compliance strict --library-manager update

arduino_ci:
  stage: test_build
  image:
    # https://hub.docker.com/_/debian
    name: debian:latest
  script:
    - date
    - apt-get update
    - $APT_GET_INSTALL ruby build-essential
    - gem install bundler arduino_ci
    - export EXPECT_UNITTESTS=1
    - export EXPECT_EXAMPLES=1
    - arduino_ci.rb

prepare_release:
  stage: test_build
  rules:
    - if: $CI_COMMIT_TAG
      when: never
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
  image:
    # https://hub.docker.com/_/alpine
    name: alpine:latest
  script:
    - date
    - cat library.properties
    - echo "EXTRA_DESCRIPTION=$(grep sentence library.properties | cut -d "=" -f 2) $(grep paragraph library.properties | cut -d '=' -f 2)" > variables.env
    - echo "TAG=$(grep version library.properties | cut -d "=" -f 2)" >> variables.env
    - cat variables.env
  artifacts:
    expire_in: 1 hrs
    reports:
      dotenv: variables.env

release_job:
  stage: release
  image:
    # https://docs.gitlab.com/ee/user/project/releases/release_cicd_examples.html#create-release-metadata-in-a-custom-script
    registry.gitlab.com/gitlab-org/release-cli:latest
  needs:
    - job: arduino-lint
    - job: arduino_ci
    - job: prepare_release
      artifacts: true
  rules:
    - if: $CI_COMMIT_TAG
      when: never
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
  script:
    - date
    - echo "running release_job for $TAG"
  release:
    name: 'Release $TAG'
    description: '$EXTRA_DESCRIPTION'
    tag_name: '$TAG'
    ref: '$CI_COMMIT_SHA'

deploy_to_github:
  stage: deploy
  rules:
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
  image:
    # https://hub.docker.com/_/alpine
    name: alpine:latest
  needs:
    - job: release_job
  script:
    - date
    - apk add --no-cache git openssh
    - mkdir ~/.ssh && chmod 700 ~/.ssh
    - ssh-keyscan -H github.com >> ~/.ssh/known_hosts
    - mv $github_deploy_key ~/.ssh/id_ed25519 && chmod 600 ~/.ssh/id_ed25519
    - repopath=$(mktemp -d)
    - git clone --bare --mirror ${CI_REPOSITORY_URL} $repopath
    - (cd $repopath && git push --prune --mirror git@github.com:ug-cp/fast_samd21_tc.git)

deploy_to_repo:
  stage: deploy
  allow_failure: true
  rules:
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
  image:
    # https://hub.docker.com/_/alpine
    name: alpine:latest
  needs:
    - job: release_job
  script:
    - date
    - apk add --no-cache git
    - repopath=$(mktemp -d)
    - git clone --bare --mirror ${CI_REPOSITORY_URL} $repopath
    - (cd $repopath && git for-each-ref --format 'delete %(refname)' refs/merge-requests | tee >(git update-ref --stdin))
    - (cd $repopath && git push --prune --mirror $backup_repo)