release.yml

name: Compile & Upload NIFs

on:
  push:
    branches:
      - main
    paths:
      - "native/**"
      - ".github/workflows/release.yml"
    tags:
      - "*"
  pull_request:
    paths:
      - ".github/workflows/release.yml"
  workflow_dispatch:

jobs:
  compile_nifs:
    name: ${{ matrix.job.platform }} (NIF ${{ matrix.nif }})
    runs-on: ${{ matrix.job.os }}

    permissions:
      contents: write
      id-token: write

    strategy:
      fail-fast: false
      matrix:
        nif: ["2.16"]
        job:
          - { target: aarch64-apple-darwin, os: macos-13, platform: "macOS (ARM64)" }
          - { target: aarch64-unknown-linux-gnu, os: ubuntu-20.04, use-cross: true, platform: "Linux (ARM64)" }
          - { target: x86_64-apple-darwin, os: macos-13, platform: "MacOS (x86_64)" }
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-20.04, platform: "Linux (x86_64, default)" }
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-20.04, platform: "Linux (x86_64, legacy)", variant: "legacy_cpu" }
            #- { target: x86_64-unknown-linux-musl, os: ubuntu-20.04, use-cross: true, platform: "Linux (musl, static)" }

    env:
      EXSTATIC_BUILD: true  # Ensure RustlerPrecompiled forces a build

    steps:
      - name: Checkout source code
        uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable
          targets: ${{ matrix.job.target }}

      - name: Install Cross for cross-compilation
        if: ${{ matrix.job.use-cross }}
        run: cargo install cross --git https://github.com/cross-rs/cross

      - name: Extract project version
        shell: bash
        run: |
          echo "PROJECT_VERSION=$(sed -n 's/^  @version "\(.*\)"/\1/p' mix.exs | head -n1)" >> $GITHUB_ENV

      - uses: Swatinem/rust-cache@v2
        with:
          prefix-key: v0-precomp
          shared-key: ${{ matrix.job.target }}-${{ matrix.nif }}
          workspaces: |
            native/exstatic

      - name: Compile the NIFs
        id: build-crate
        uses: philss/rustler-precompiled-action@v1.1.4
        with:
          project-name: exstatic
          project-version: ${{ env.PROJECT_VERSION }}
          target: ${{ matrix.job.target }}
          nif-version: ${{ matrix.nif }}
          use-cross: ${{ matrix.job.use-cross }}
          variant: ${{ matrix.job.variant }}
          project-dir: "native/exstatic"

      - name: Upload compiled NIF artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.build-crate.outputs.file-name }}
          path: ${{ steps.build-crate.outputs.file-path }}

      - name: Publish NIFs to GitHub Releases
        uses: softprops/action-gh-release@v2
        with:
          files: |
            ${{ steps.build-crate.outputs.file-path }}
        if: startsWith(github.ref, 'refs/tags/')