.gitlab-ci.yml

# Core Gitlab CI/CD Variables:
# - CI_SERVER_HOST => Git server host (gitlab.com)
# - CI_PROJECT_ID => Project where pipeline is running on
# - CI_JOB_TOKEN  => Token that authorizes CI to interact with private Gitlab registry.
# - COMMIT_HASH => short commit hash
# - CI_COMMIT_REF_NAME => branch name
# Custom Gitlab CI/CD Variables:
# - CICD_PAT => Personal access token to allow pipeline R/W operations
# - PACKAGE_SCOPE => Package scope ex. @group
# - PACKAGE_REGISTRY => Path to Gitlab package registry repository /<group>/<repo>.git

stages:
  - publish

gitlab-registry:
  stage: publish
  image: node:18.12.1
  before_script:
    - npm install --global lerna
    # Allow CI/CD to push Gitlab private package registry ---
    - echo "${PACKAGE_SCOPE}:registry=https://${CI_SERVER_HOST}/api/v4/projects/${CI_PROJECT_ID}/packages/npm/" > .npmrc
    - echo "//${CI_SERVER_HOST}/api/v4/projects/${CI_PROJECT_ID}/packages/npm/:_authToken=${CI_JOB_TOKEN}" >> .npmrc
    - npm config set '//gitlab.com/api/v4/projects/${CI_PROJECT_ID}/packages/npm/:_authToken' "${CI_JOB_TOKEN}"
    # -------------------------------------------------------
    - git config --global user.name "CI Bot"
    - git config --global user.email "cibot@gitlab.com"
    # Allow CI/CD to push versioning changes to the repo ----
    - git config --global credential.helper store
    - git config --global gitlab.accesstoken "${CICD_PAT}"
    # -------------------------------------------------------
    - git fetch origin
    - git reset --hard origin/${CI_COMMIT_REF_NAME}
    - git checkout -B ${CI_COMMIT_REF_NAME}
  script:
    - npm install --no-save
    - lerna clean --yes
    - lerna run build
    # Compute new version tag
    - COMMIT_HASH=$(git rev-parse --short HEAD)
    - NEW_VERSION="0.0.1-${COMMIT_HASH:0:7}"
    - lerna version "$NEW_VERSION" --yes --no-push --exact --force-publish --no-git-tag-version
    # Push versioning changes to the repo
    - |
      if [[ -n $(git status -s) ]]; then
        git add .
        git commit -m "chore: :bookmark: CI/CD lerna versioning [skip ci]"
        git remote set-url origin "https://pat:${CICD_PAT}@gitlab.com/${PACKAGE_REGISTRY}"
        git push origin ${CI_COMMIT_REF_NAME}
      fi
    # from-git => Checks if there are any changes between the current version of your packages and the last tagged release
    # from-package => Publishes packages based on the local package versions, rather than comparing against a tagged release
    - lerna publish from-package --yes --dist-tag latest
  only:
    - main