name: build-cpu-docker
on:
  workflow_dispatch:

concurrency:
  group: build-cpu-docker-${{ github.ref }}
  cancel-in-progress: true

jobs:
  generate_build_matrix:
    if: github.repository_owner == 'csukuangfj' || github.repository_owner == 'k2-fsa'
    # see https://github.com/pytorch/pytorch/pull/50633
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Generating build matrix
        id: set-matrix
        run: |
          # outputting for debugging purposes
          python ./.github/scripts/docker/generate_build_matrix.py
          MATRIX=$(python ./.github/scripts/docker/generate_build_matrix.py)
          echo "::set-output name=matrix::${MATRIX}"
  build-cpu-docker:
    needs: generate_build_matrix
    name: py${{ matrix.python-version }} torch${{ matrix.torch-version }} v${{ matrix.version }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        ${{ fromJson(needs.generate_build_matrix.outputs.matrix) }}

    steps:
      # refer to https://github.com/actions/checkout
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Free space
        shell: bash
        run: |
          df -h
          rm -rf /opt/hostedtoolcache
          df -h

      - name: 'Login to GitHub Container Registry'
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build docker Image
        shell: bash
        run: |
          cd .github/scripts/docker
          torch_version=${{ matrix.torch-version }}
          torchaudio_version=${{ matrix.torchaudio-version }}

          echo "torch_version: $torch_version"
          echo "torchaudio_version: $torchaudio_version"

          version=${{ matrix.version }}

          tag=ghcr.io/${{ github.repository_owner }}/icefall:cpu-py${{ matrix.python-version }}-torch${{ matrix.torch-version }}-v$version
          echo "tag: $tag"

          docker build \
            -t $tag \
            --build-arg PYTHON_VERSION=${{ matrix.python-version }} \
            --build-arg TORCH_VERSION=$torch_version \
            --build-arg TORCHAUDIO_VERSION=$torchaudio_version \
            --build-arg K2_VERSION=${{ matrix.k2-version }} \
            --build-arg KALDIFEAT_VERSION=${{ matrix.kaldifeat-version }} \
            .

          docker image ls
          docker push $tag