name: v8-canary

on:
  pull_request:
    paths:
      - ".github/scripts/rusty_v8_bazel.py"
      - ".github/workflows/rusty-v8-release.yml"
      - ".github/workflows/v8-canary.yml"
      - "MODULE.bazel"
      - "MODULE.bazel.lock"
      - "codex-rs/Cargo.toml"
      - "patches/BUILD.bazel"
      - "patches/v8_*.patch"
      - "third_party/v8/**"
  push:
    branches:
      - main
    paths:
      - ".github/scripts/rusty_v8_bazel.py"
      - ".github/workflows/rusty-v8-release.yml"
      - ".github/workflows/v8-canary.yml"
      - "MODULE.bazel"
      - "MODULE.bazel.lock"
      - "codex-rs/Cargo.toml"
      - "patches/BUILD.bazel"
      - "patches/v8_*.patch"
      - "third_party/v8/**"
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}::${{ github.event.pull_request.number > 0 && format('pr-{0}', github.event.pull_request.number) || github.ref_name }}
  cancel-in-progress: ${{ github.ref_name != 'main' }}

jobs:
  metadata:
    runs-on: ubuntu-latest
    outputs:
      v8_version: ${{ steps.v8_version.outputs.version }}

    steps:
      - uses: actions/checkout@v6

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: "3.12"

      - name: Resolve exact v8 crate version
        id: v8_version
        shell: bash
        run: |
          set -euo pipefail
          version="$(python3 .github/scripts/rusty_v8_bazel.py resolved-v8-crate-version)"
          echo "version=${version}" >> "$GITHUB_OUTPUT"

  build:
    name: Build ${{ matrix.target }}
    needs: metadata
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
      actions: read
    strategy:
      fail-fast: false
      matrix:
        include:
          - runner: ubuntu-24.04
            platform: linux_amd64_musl
            target: x86_64-unknown-linux-musl
          - runner: ubuntu-24.04-arm
            platform: linux_arm64_musl
            target: aarch64-unknown-linux-musl

    steps:
      - uses: actions/checkout@v6

      - name: Set up Bazel
        uses: bazelbuild/setup-bazelisk@v3

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: "3.12"

      - name: Build Bazel V8 release pair
        env:
          BUILDBUDDY_API_KEY: ${{ secrets.BUILDBUDDY_API_KEY }}
          PLATFORM: ${{ matrix.platform }}
          TARGET: ${{ matrix.target }}
        shell: bash
        run: |
          set -euo pipefail

          target_suffix="${TARGET//-/_}"
          pair_target="//third_party/v8:rusty_v8_release_pair_${target_suffix}"
          extra_targets=(
            "@llvm//runtimes/libcxx:libcxx.static"
            "@llvm//runtimes/libcxx:libcxxabi.static"
          )

          bazel_args=(
            build
            "--platforms=@llvm//platforms:${PLATFORM}"
            "${pair_target}"
            "${extra_targets[@]}"
            --build_metadata=COMMIT_SHA=$(git rev-parse HEAD)
          )

          bazel \
            --noexperimental_remote_repo_contents_cache \
            --bazelrc=.github/workflows/v8-ci.bazelrc \
            "${bazel_args[@]}" \
            "--remote_header=x-buildbuddy-api-key=${BUILDBUDDY_API_KEY}"

      - name: Stage release pair
        env:
          PLATFORM: ${{ matrix.platform }}
          TARGET: ${{ matrix.target }}
        shell: bash
        run: |
          set -euo pipefail

          python3 .github/scripts/rusty_v8_bazel.py stage-release-pair \
            --platform "${PLATFORM}" \
            --target "${TARGET}" \
            --output-dir "dist/${TARGET}"

      - name: Upload staged musl artifacts
        uses: actions/upload-artifact@v7
        with:
          name: v8-canary-${{ needs.metadata.outputs.v8_version }}-${{ matrix.target }}
          path: dist/${{ matrix.target }}/*