# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

# GitHub recommends pinning actions to a commit SHA.
# To get a newer version, you will need to update the SHA.
# You can also reference a tag or branch, but the action may change without warning.

name: Publish Docker image

on:
  pull_request:
  push:
    branches:
      - master

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    if: github.event.pull_request.draft == false

    runs-on: ubuntu-latest
    env:
      COMMIT_SHA: ${{ github.sha }}
    strategy:
      matrix:
        config:
          - { tag: "light", dockerfile: ".devops/main.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          - { tag: "full", dockerfile: ".devops/full.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          # NOTE(canardletter): The CUDA builds on arm64 are very slow, so I
          #                     have disabled them for now until the reason why
          #                     is understood.
          - { tag: "light-cuda", dockerfile: ".devops/main-cuda.Dockerfile", platforms: "linux/amd64" }
          - { tag: "full-cuda", dockerfile: ".devops/full-cuda.Dockerfile", platforms: "linux/amd64" }
          - { tag: "light-rocm", dockerfile: ".devops/main-rocm.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          - { tag: "full-rocm", dockerfile: ".devops/full-rocm.Dockerfile", platforms: "linux/amd64,linux/arm64" }
    steps:
      - name: Check out the repo
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # https://github.com/jlumbroso/free-disk-space/tree/54081f138730dfa15788a46383842cd2f914a1be#example
      - name: Free Disk Space (Ubuntu)
        uses: jlumbroso/free-disk-space@main
        with:
          # this might remove tools that are actually needed,
          # if set to "true" but frees about 6 GB
          tool-cache: false

          # all of these default to true, but feel free to set to
          # "false" if necessary for your workflow
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: true

      - name: Determine tag name
        id: tag
        shell: bash
        run: |
          BUILD_NUMBER="$(git rev-list --count HEAD)"
          SHORT_HASH="$(git rev-parse --short=7 HEAD)"
          if [[ "${{ env.BRANCH_NAME }}" == "master" ]]; then
            echo "name=b${BUILD_NUMBER}" >> $GITHUB_OUTPUT
          else
            SAFE_NAME=$(echo "${{ env.BRANCH_NAME }}" | tr '/' '-')
            echo "name=${SAFE_NAME}-b${BUILD_NUMBER}-${SHORT_HASH}" >> $GITHUB_OUTPUT
          fi

      - name: Build and push Docker image (versioned)
        if: github.event_name == 'push'
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          platforms: ${{ matrix.config.platforms }}
          tags: "ghcr.io/${{ github.repository_owner }}/llama.cpp:${{ matrix.config.tag }}-${{ env.COMMIT_SHA }}"
          file: ${{ matrix.config.dockerfile }}

      - name: Build and push Docker image (tagged)
        uses: docker/build-push-action@v4
        with:
          context: .
          push: ${{ github.event_name == 'push' }}
          platforms: ${{ matrix.config.platforms }}
          tags: "ghcr.io/${{ github.repository_owner }}/llama.cpp:${{ matrix.config.tag }},ghcr.io/${{ github.repository_owner }}/llama.cpp:${{ matrix.config.tag }}-${{ steps.tag.outputs.name }}"
          file: ${{ matrix.config.dockerfile }}