precompile.yml

name: Build precompiled NIFs

on:
  push:
    tags: ['v*']
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - { target: x86_64-linux-gnu,       os: ubuntu-latest }
          - { target: x86_64-linux-musl,      os: ubuntu-latest }
          - { target: aarch64-linux-gnu,      os: ubuntu-latest }
          - { target: aarch64-linux-musl,     os: ubuntu-latest }
          - { target: aarch64-macos-none,     os: macos-15 }
          - { target: x86_64-windows-gnu,     os: windows-2022 }

    steps:
      - uses: actions/checkout@v4

      - uses: goto-bus-stop/setup-zig@v2
        with:
          version: 0.16.0

      - uses: erlef/setup-beam@v1
        with:
          otp-version: '27'
          elixir-version: '1.18'

      - name: Build NIF artifact
        shell: bash
        env:
          ZIGLER_RELEASE_MODE: fast
          QUICKBEAM_CPU: baseline
          ZIG_LOCAL_CACHE_DIR: ${{ runner.temp }}/zig-local-cache
          ZIG_GLOBAL_CACHE_DIR: ${{ runner.temp }}/zig-global-cache
        run: |
          mix local.hex --force
          mix local.rebar --force
          mix deps.get

          # Zigler 0.16.0's Hex package omitted its Windows compatibility
          # headers. Remove this pinned workaround after Zigler PR #596 ships.
          if [ "${{ matrix.target }}" = "x86_64-windows-gnu" ]; then
            header_dir="deps/zigler/priv/erl_nif_win"
            header_url="https://raw.githubusercontent.com/E-xyza/zigler/b83bd59b9fec5543ae712c1838cfa7f526a882c4/priv/erl_nif_win"
            mkdir -p "$header_dir"
            curl --fail --silent --show-error --location \
              "$header_url/erl_nif_win.h" -o "$header_dir/erl_nif_win.h"
            curl --fail --silent --show-error --location \
              "$header_url/erl_nif_api_funcs_win.h" -o "$header_dir/erl_nif_api_funcs_win.h"
            echo "ee0162831e553eb559c1b884ce461b100a0ff792c401a66be9e6b5ad00883a77  $header_dir/erl_nif_win.h" | sha256sum -c -
            echo "dd43c4dd22fb6a158af420754fb8cb6c255e069d87e1c294d09f3e9f897345ef  $header_dir/erl_nif_api_funcs_win.h" | sha256sum -c -
          fi

          QUICKBEAM_BUILD=1 mix zigler_precompiled.build lib/quickbeam/native.ex \
            --target "${{ matrix.target }}" \
            --out artifacts

      - name: Upload build artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.target }}
          path: artifacts/*.tar.gz
          if-no-files-found: error

  smoke:
    needs: build
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - { target: x86_64-linux-gnu,   os: ubuntu-latest }
          - { target: aarch64-linux-gnu,  os: ubuntu-24.04-arm }
          - { target: aarch64-macos-none, os: macos-15 }
          - { target: x86_64-windows-gnu, os: windows-2022 }
    steps:
      - uses: actions/checkout@v4

      - uses: erlef/setup-beam@v1
        with:
          otp-version: '27'
          elixir-version: '1.18'

      - uses: actions/download-artifact@v4
        with:
          name: ${{ matrix.target }}
          path: artifacts

      - name: Load and exercise the precompiled NIF
        shell: bash
        env:
          ZIGLER_PRECOMPILED_GLOBAL_CACHE_PATH: ${{ runner.temp }}/quickbeam-precompiled
        run: |
          mix local.hex --force
          mix local.rebar --force
          mix deps.get
          mkdir -p "$ZIGLER_PRECOMPILED_GLOBAL_CACHE_PATH"
          cp artifacts/*.tar.gz "$ZIGLER_PRECOMPILED_GLOBAL_CACHE_PATH/"
          rm checksum-QuickBEAM.Native.exs
          mix compile
          mix run scripts/smoke_precompiled.exs

  # Alpine has no runner, so the artifact is loaded in a musl container. The
  # project is reduced to the native module: a full checkout would compile
  # the Hex dependencies for musl, which is the problem being tested around.
  smoke-musl:
    name: Smoke ${{ matrix.target }} on Alpine
    needs: build
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - { target: x86_64-linux-musl,  os: ubuntu-latest,    platform: linux/amd64 }
          - { target: aarch64-linux-musl, os: ubuntu-24.04-arm, platform: linux/arm64 }
    steps:
      - uses: actions/checkout@v4

      - uses: actions/download-artifact@v4
        with:
          name: ${{ matrix.target }}
          path: artifacts

      - name: Load and exercise the precompiled NIF on Alpine
        shell: bash
        env:
          ALPINE_IMAGE: hexpm/elixir:1.18.3-erlang-27.3-alpine-3.21.7
        run: |
          smoke_dir="${{ runner.temp }}/quickbeam-musl-smoke"
          mkdir -p "$smoke_dir/lib/quickbeam/native" "$smoke_dir/artifacts" "$smoke_dir/scripts"
          cp lib/quickbeam/native.ex "$smoke_dir/lib/quickbeam/native.ex"
          cp lib/quickbeam/native/platform.ex "$smoke_dir/lib/quickbeam/native/platform.ex"
          cp scripts/smoke_precompiled_native.exs "$smoke_dir/scripts/smoke.exs"
          cp artifacts/*.tar.gz "$smoke_dir/artifacts/"

          cat > "$smoke_dir/mix.exs" <<'ELIXIR'
          defmodule QuickBEAMMuslSmoke.MixProject do
            use Mix.Project

            def project do
              [
                app: :quickbeam,
                version: System.fetch_env!("QUICKBEAM_VERSION"),
                elixir: "~> 1.15",
                deps: [{:zigler_precompiled, "~> 0.1.6"}]
              ]
            end

            def application, do: [extra_applications: [:logger, :inets, :ssl, :public_key]]
          end
          ELIXIR

          quickbeam_version=$(sed -n 's/^  @version "\(.*\)"/\1/p' mix.exs | head -n1)

          docker run --rm --platform "${{ matrix.platform }}" \
            -v "$smoke_dir:/workspace" \
            -w /workspace \
            -e QUICKBEAM_VERSION="$quickbeam_version" \
            -e ZIGLER_PRECOMPILED_GLOBAL_CACHE_PATH=/tmp/quickbeam-precompiled \
            "$ALPINE_IMAGE" /bin/sh -lc '
              set -eu
              mix local.hex --force
              mix local.rebar --force
              mix deps.get
              mkdir -p "$ZIGLER_PRECOMPILED_GLOBAL_CACHE_PATH"
              cp artifacts/*.tar.gz "$ZIGLER_PRECOMPILED_GLOBAL_CACHE_PATH/"
              mix compile
              mix run scripts/smoke.exs
            '

  # Artifacts reach the release only after every target loaded and ran.
  release:
    if: startsWith(github.ref, 'refs/tags/')
    needs: [build, smoke, smoke-musl]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          path: artifacts
          merge-multiple: true

      - name: Upload artifacts to release
        uses: softprops/action-gh-release@v2
        with:
          files: artifacts/*.tar.gz