build.yml

name: Build benchmark images

on:
  push:
    branches:
      - main

env:
  REGISTRY: ghcr.io

jobs:
  find-updated-bases:
    runs-on: ubuntu-latest

    permissions:
      contents: read

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2
      - id: find-targets
        run: |
          git diff --name-only --diff-filter=ACMR HEAD^ HEAD | grep -e "^OCaml-base/" -e "^Java-base/" -e "^C-base/" -e "^Solidity-base/" | cut -d '/' -f 1-2 | sort | uniq > /tmp/updated-bases.txt
          bases=$(cat /tmp/updated-bases.txt | xargs -I{base} echo \"{base}\" | tr '\n' ',' | sed 's/,*$//')
          echo "targets=[$bases]" >> ${GITHUB_OUTPUT}

    outputs:
      targets: ${{ steps.find-targets.outputs.targets }}

  build-base-images:
    needs:
      - find-updated-bases

    runs-on: ubuntu-latest

    if: needs.find-updated-bases.outputs.targets != '[]'

    permissions:
      contents: read
      packages: write

    strategy:
      matrix:
        target: ${{ fromJSON(needs.find-updated-bases.outputs.targets) }}

    steps:
      - uses: actions/checkout@v4
      - name: Make build info
        id: make-build-info
        run: |
          echo "language=$(echo ${{ matrix.target }} | cut -d'/' -f1 | tr '[:upper:]' '[:lower:]')" >> ${GITHUB_OUTPUT}
          echo "project=$(echo ${{ matrix.target }} | cut -d'/' -f2 | tr '[:upper:]' '[:lower:]')" >> ${GITHUB_OUTPUT}

      - uses: docker/setup-buildx-action@v3
      - uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: docker/build-push-action@v5
        with:
          context: ${{ matrix.target }}
          file: ${{ matrix.target }}/Dockerfile
          platforms: linux/amd64
          push: true
          tags: ${{ env.REGISTRY }}/kupl/starlab-benchmarks/${{ steps.make-build-info.outputs.language }}:${{ steps.make-build-info.outputs.project }}
          labels: |
            org.opencontainers.image.source="https://github.com/kupl/starlab-benchmarks"

  find-targets:
    needs:
      - find-updated-bases

    runs-on: ubuntu-latest

    permissions:
      contents: read

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2
      - id: find-targets
        run: |
          {
            for base in $(echo '${{ needs.find-updated-bases.outputs.targets }}' | jq -r '.[]'); do
              base=$(echo $base | sed 's/-base//')
              find $base-* -maxdepth 0 -type d
            done
          } > /tmp/updated-benchmarks.txt
          git diff --name-only --diff-filter=ACMR HEAD^ HEAD | grep -e "^OCaml/" -e "^Java/" -e "^C/" -e "^Solidity/" | cut -d '/' -f 1-2 | sort | uniq >> /tmp/updated-benchmarks.txt
          projects=$(cat /tmp/updated-benchmarks.txt | xargs -I{prj} echo \"{prj}\" | tr '\n' ',' | sed 's/,*$//')
          echo "targets=[$projects]" >> ${GITHUB_OUTPUT}

    outputs:
      targets: ${{ steps.find-targets.outputs.targets }}

  build-and-deploy:

    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    needs:
      - build-base-images
      - find-targets

    if: always() && needs.find-targets.outputs.targets != '[]'

    strategy:
      matrix:
        target: ${{ fromJSON(needs.find-targets.outputs.targets) }}

    steps:
      - uses: actions/checkout@v3
      - name: Make build info
        id: make-build-info
        run: |
          echo "language=$(echo ${{ matrix.target }} | cut -d'/' -f1 | tr '[:upper:]' '[:lower:]')" >> ${GITHUB_OUTPUT}
          echo "benchmark=$(echo ${{ matrix.target }} | cut -d'/' -f2 | tr '[:upper:]' '[:lower:]')" >> ${GITHUB_OUTPUT}
      - uses: docker/setup-buildx-action@v3
      - uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: docker/build-push-action@v5
        with:
          context: ${{ matrix.target }}
          file: ${{ matrix.target }}/Dockerfile
          platforms: linux/amd64
          push: true
          tags: ${{ env.REGISTRY }}/kupl/starlab-benchmarks/${{ steps.make-build-info.outputs.language }}:${{ steps.make-build-info.outputs.benchmark }}
          labels: |
            org.opencontainers.image.source="https://github.com/kupl/starlab-benchmarks"