feat(commitlint): users can customise the docker image and the base branch to use

Verify formatting of all commit messages in the range $BASE_BRANCH..$CI_COMMIT_SHA.

USAGE

include:
  - project: EOLE/infra/ci-tools
    ref: stable
    file: /templates/Rules.yaml
  - project: EOLE/infra/ci-tools
    ref: stable
    file: /templates/Lint/Commitlint.yaml

stages:
  - lint

OPTIONAL VARIABLES

• BASE_BRANCH: name of the referrence branch, defaults to ${CI_DEFAULT_BRANCH}
• COMMITLINT_IMAGE: name of the commitlint docker image to use

REQUIREMENTS

• The .not-on-stable rules template
• A lint stage must be present in your pipeline or it must be overriden by the extending job to feet your need.

USED CI VARIABLES

• CI_COMMIT_SHA
• CI_DEFAULT_BRANCH
• CI_REPOSITORY_URL