version: 0.2

phases:
  pre_build:
    commands:
      - PR_NUM=$(echo $CODEBUILD_SOURCE_VERSION | grep -o '[0-9]\+')
      - echo 'Pull request number:' $PR_NUM '. No value means this build is not from pull request.'

  build:
    commands:

      - error_cmd="echo 'In order to make changes to the docker files, please, use https://github.com/aws/deep-learning-containers repository.' && exit 1"
      - execute-command-if-has-matching-changes "$error_cmd" "docker/"