sudo: required

language: sh

services:
  - docker

before_install:
  - export DOCKER_REPO=koalaman/shellcheck
  - |-
    export TAG=$([ "$TRAVIS_BRANCH" == "master" ] && echo "latest" || ([ -n "$TRAVIS_TAG" ] && echo "$TRAVIS_TAG") || echo "$TRAVIS_BRANCH")

script:
  - docker build -t builder -f Dockerfile_builder .
  - docker run --rm -it -v $(pwd):/mnt builder
  - docker build -t $DOCKER_REPO:$TAG .

after_success:
  - docker login -e="$DOCKER_EMAIL" -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD"
  - |-
    ([ "$TRAVIS_BRANCH" == "master" ] || [ -n "$TRAVIS_TAG" ]) && docker push "$DOCKER_REPO:$TAG"