.travis.yml

sudo: required

language: node_js

node_js:
    - stable

services:
    - docker

cache:
    directories:
        - node_modules
        - $HOME/docker

before_install:
    - npm config set progress false
    - npm install -g npm@latest
    - |-
        for CACHE in "$HOME"/docker/*.tar.gz; do
            if [[ -e "$CACHE" ]]; then
                docker load -i "$CACHE"
            fi
        done

install:
    - npm prune
    - npm update --no-save
    - docker pull hadolint/hadolint

script:
    - npm run ci:test
    - docker run --rm -i hadolint/hadolint < ./alpine/Dockerfile

before_cache:
    - >-
        mkdir -p "$HOME/docker" &&
        docker images -a --filter "dangling=false" --format "{{.Repository}}:{{.Tag}} {{.ID}}" |
        xargs -n 2 -t sh -c '[ -e "$HOME/docker/$1.tar.gz" ] || docker save "$0" | gzip -2 > "$HOME/docker/$1.tar.gz"'

notifications:
    email: false

    slack:
        rooms:
            - secure: 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
        on_pull_requests: false
        on_start: never
        on_success: never
        on_failure: change