action.yml

name: "check_dockerignore"
description: "Check .dockerignore against Git-ignored files"
inputs:
  build-context:
    description: "The path to the build context"
    required: true
  dockerfile:
    description: "The path to the Dockerfile"
    required: false
runs:
  using: "composite"
  steps:
  # https://docs.github.com/en/actions/creating-actions/creating-a-composite-action#creating-an-action-metadata-file
  - name: Set GitHub Path
    run: echo "$GITHUB_ACTION_PATH" >> $GITHUB_PATH
    shell: bash
    env:
      GITHUB_ACTION_PATH: ${{ github.action_path }}
  - name: "check_dockerignore.sh"
    env:
      DOCKERFILE: ${{ inputs.dockerfile }}
      BUILD_CONTEXT: ${{ inputs.build-context }}
    shell: bash
    run: |
      if [ -z "$DOCKERFILE" ]; then
        check_dockerignore.sh check-dockerignore "$BUILD_CONTEXT"
      else
        check_dockerignore.sh check-dockerignore --file "$DOCKERFILE" "$BUILD_CONTEXT"
      fi