prime-cache.yml

---
name: Prime Cache

on:
  push:
    branches: [main]
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: ${{ github.ref }}-${{ github.workflow }}

jobs:
  prime-docker-cache:
    # The ARM64 build segfaults with Ubuntu 24.04, so use 22.04 (for now)
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        flavor: ["cpp", "rust"]
    steps:
      - uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
      - uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        if: matrix.flavor == 'cpp'
        id: buildkit-cache
        with:
          path: root-ccache
          key: buildkit-cache-${{ github.run_id }}
          restore-keys: |
            buildkit-cache
      - uses: reproducible-containers/buildkit-cache-dance@5b6db76d1da5c8b307d5d2e0706d266521b710de # v3.1.2
        if: matrix.flavor == 'cpp'
        with:
          cache-map: |
            {
              "root-ccache": "/root/.ccache"
            }
          skip-extraction: ${{ steps.buildkit-cache.outputs.cache-hit }}
      - uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
        with:
          file: .devcontainer/${{ matrix.flavor }}/Dockerfile
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha,scope=${{ github.repository }}-${{ matrix.flavor }}
          cache-to: type=gha,mode=max,scope=${{ github.repository }}-${{ matrix.flavor }}
  prime-xwin-cache:
    runs-on: ubuntu-latest
    steps:
      - run: |
          set -Eeuo pipefail
          mkdir test
          docker run --rm --mount type=bind,src="$(pwd)/test",dst=/ws -w /ws ghcr.io/${{ github.repository }}-cpp:latest xwin --accept-license splat --preserve-ms-arch-notation
      - uses: actions/cache/save@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        with:
          path: test/.xwin-cache
          key: xwin-cache-${{ github.run_id }}