language: crystal

env:
  # Path to 'hadolint' binary
  HADOLINT: "${HOME}/hadolint"

install:
  # Download hadolint binary and set it as executable
  - curl -sL -o ${HADOLINT} "https://github.com/hadolint/hadolint/releases/download/v1.17.5/hadolint-$(uname -s)-$(uname -m)"
    && chmod 700 ${HADOLINT}
  - shards install
script:
  - crystal spec
  - crystal tool format --check
  - git ls-files --exclude='Dockerfile*' --ignored | xargs --max-lines=1 ${HADOLINT} --ignore DL3008

addons:
  apt:
    packages:
      - pdftk