name: Docker Image

on:
  push:
    branches:
      - master
    tags:
      - v*
  pull_request:
env:
  IMAGE_NAME: neovim

jobs:
  push:
    strategy:
      matrix:
        image: [
          {
            dockerfile: 'Dockerfile',
            tag: ''
          },
          {
            dockerfile: 'Dockerfile.no-tex',
            tag: 'no-tex-'
          },
        ]
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read

    steps:
      - uses: actions/checkout@v4

      - name: Build image
        run: docker build . --file ${{ matrix.image.dockerfile }} --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"

      - name: Log in to registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Push image
        run: |
          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
          TAG=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && TAG=$(echo $TAG | sed -e 's/^v//')
          [ "$TAG" == "master" ] && TAG="latest"
          TAG=${{ matrix.image.tag }}$TAG
          echo IMAGE_ID=$IMAGE_ID
          echo TAG=$TAG
          docker tag $IMAGE_NAME $IMAGE_ID:$TAG
          docker push $IMAGE_ID:$TAG