release.yml

name: Precompile NIFs

on:
  push:
    branches:
      # Always run on main branch.
      - main
    tags:
      # Tags will always run.
      - '*'
  pull_request:
    paths:
      - ".github/workflows/release.yml"
  workflow_dispatch:

jobs:
  build_release:
    name: NIF ${{ matrix.nif }} - ${{ matrix.job.target }} (${{ matrix.job.os }})
    runs-on: ${{ matrix.job.os }}
    permissions:
      contents: write
    strategy:
      fail-fast: false
      matrix:
        # we list the oldest OTP version that supports all features needed, have a look at the
        # erlang docs for the OTP version to see which NIF version is in which OTP release
        # https://github.com/erlang/otp/blob/master/erts/emulator/beam/erl_nif.h
        # - "2.15" # OTP 22, OTP 23
        # - "2.16" # OTP 24, OTP 25
        # - "2.17" # OTP 26
        nif: ["2.15"]
        job:
          # cranelift-codegen panics at 'error when identifying target: "no supported isa found for arch `arm`"'
          # - { target: arm-unknown-linux-gnueabihf , os: ubuntu-20.04 , use-cross: true }
          - { target: aarch64-unknown-linux-gnu, os: ubuntu-20.04, use-cross: true }
          - { target: aarch64-unknown-linux-musl, os: ubuntu-20.04, use-cross: true }
          - { target: aarch64-apple-darwin, os: macos-12 }
          - { target: x86_64-apple-darwin, os: macos-12 }
          - { target: x86_64-unknown-linux-gnu, os: ubuntu-20.04 }
          - { target: x86_64-unknown-linux-musl, os: ubuntu-20.04, use-cross: true }
          - { target: riscv64gc-unknown-linux-gnu, os: ubuntu-20.04, use-cross: true, cargo-args: "--no-default-features"}
          - { target: x86_64-pc-windows-gnu, os: windows-2022 }
          - { target: x86_64-pc-windows-msvc, os: windows-2022 }
          - { target: x86_64-unknown-freebsd, os: ubuntu-22.04, use-cross: true, cross-version: v0.2.5 }

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

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

      - name: Add target
        shell: bash
        run: |
          rustup target add ${{ matrix.job.target }}

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

      - name: Build the project
        id: build-crate
        uses: philss/rustler-precompiled-action@v1.1.4
        with:
          project-name: wasmex
          project-version: ${{ env.PROJECT_VERSION }}
          target: ${{ matrix.job.target }}
          nif-version: ${{ matrix.nif }}
          use-cross: ${{ matrix.job.use-cross }}
          cross-version: ${{ matrix.job.cross-version || 'v0.2.4' }}
          project-dir: "native/wasmex"
          cargo-args: ${{ matrix.job.cargo-args }}

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

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