release.yml

name: Build Docker Image

# Release on any git tag
on:
  push:
    tags: ['*']

jobs:
  build:
    runs-on: [self-hosted, linux, nixos]
    strategy:
      matrix:
        config:
          - blastoise
          - machamp
          - sandslash
    outputs:
      # I hate copy-paste too, but this is GitHub Action, blame them.
      cache-key-blastoise: ${{ steps.build.outputs.cache-key-blastoise }}
      cache-key-machamp: ${{ steps.build.outputs.cache-key-machamp }}
      cache-key-sandslash: ${{ steps.build.outputs.cache-key-sandslash }}
    steps:
      - uses: actions/checkout@v4
        with:
          # Checkout the triggered tag name
          ref: ${{ github.ref_name }}
      - name: Build docker image file
        id: build
        run: |
          closure="$(nix build -L '.#t1.${{ matrix.config }}.release.docker-image' --no-link --print-out-paths)"
          echo "path: $closure"
          _dest=/tmp/t1-${{ matrix.config }}-image.tar.gz
          cp "$closure" "$_dest"
          echo "cache-key-${{ matrix.config }}=$(nix hash file --base32 "$_dest")" > $GITHUB_OUTPUT
          nix build -L '.#t1.${{ matrix.config }}.release.doc' --out-link docs
      - name: Upload to cache
        uses: actions/cache/save@v4
        with:
          path: /tmp/t1-${{ matrix.config }}-image.tar.gz
          key: ${{ steps.build.outputs[format('cache-key-{0}', matrix.config)] }}
      - uses: actions/upload-artifact@v4
        with:
          name: docs-${{ matrix.config }}.pdf
          path: |
            docs/*.pdf

  upload:
    runs-on: ubuntu-latest
    needs: [build]
    strategy:
      matrix:
        config:
          - blastoise
          - machamp
          - sandslash
    steps:
      - name: Restore ${{ matrix.config }} from cache
        uses: actions/cache/restore@v4
        id: cache
        with:
          path: /tmp/t1-${{ matrix.config }}-image.tar.gz
          fail-on-cache-miss: true
          key: ${{ needs.build.outputs[format('cache-key-{0}', matrix.config)] }}
      - name: Login to GHCR dot IO
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Load and push
        run: |
          docker load < /tmp/t1-${{ matrix.config }}-image.tar.gz
          docker tag chipsalliance/t1-${{ matrix.config }}:latest ghcr.io/chipsalliance/t1-${{ matrix.config }}:latest
          docker push ghcr.io/chipsalliance/t1-${{ matrix.config }}:latest