release.yml

name: Build precompiled NIFs

env:
  NIF_DIRECTORY: "native/fastrss"

on:
  push:
    branches:
      - master
    paths:
      # Just run on master branch if "native" path changed. Tags will always run.
      - "native/**"
      - ".github/workflows/release.yml"
    tags:
      - "*"

defaults:
  run:
    # Sets the working dir for "run" scripts.
    # Note that this won't change the directory for actions (tasks with "uses").
    working-directory: "./native/fastrss"

jobs:
  build_release:
    name: NIF ${{ matrix.nif }} - ${{ matrix.job.target }} (${{ matrix.job.os }})
    runs-on: ${{ matrix.job.os }}
    strategy:
      fail-fast: false
      matrix:
        nif: ["2.16", "2.15", "2.14"]
        job:
          - { target: aarch64-apple-darwin        , os: macos-11      }
          - { 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: arm-unknown-linux-gnueabihf , os: ubuntu-20.04 , use-cross: true }
          - { target: riscv64gc-unknown-linux-gnu , os: ubuntu-20.04 , use-cross: true }
          - { target: x86_64-apple-darwin         , os: macos-11      }
          - { target: x86_64-pc-windows-gnu       , os: windows-2019  }
          - { target: x86_64-pc-windows-msvc      , os: windows-2019  }
          - { target: x86_64-unknown-linux-gnu    , os: ubuntu-20.04  }
          - { target: x86_64-unknown-linux-musl   , os: ubuntu-20.04 , use-cross: true }

    env:
      RUSTLER_NIF_VERSION: ${{ matrix.nif }}
    steps:
      - name: Checkout source code
        uses: actions/checkout@v3

      - uses: actions/cache@v3.0.9
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
          key: ${{ matrix.job.os }}-${{ matrix.job.target }}-cargo-

      - name: Install prerequisites
        shell: bash
        run: |
          case ${{ matrix.job.target }} in
            arm-unknown-linux-*) sudo apt-get -y update ; sudo apt-get -y install gcc-arm-linux-gnueabihf ;;
            aarch64-unknown-linux-*) sudo apt-get -y update ; sudo apt-get -y install gcc-aarch64-linux-gnu ;;
          esac

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

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: ${{ matrix.job.target }}
          override: true
          profile: minimal

      - name: Show version information (Rust, cargo, GCC)
        shell: bash
        run: |
          gcc --version || true
          rustup -V
          rustup toolchain list
          rustup default
          cargo -V
          rustc -V
          rustc --print=cfg

      - name: Download cross from GitHub releases
        uses: giantswarm/install-binary-action@v1.0.0
        if: ${{ matrix.job.use-cross }}
        with:
          binary: "cross"
          version: "v0.2.4"
          download_url: "https://github.com/rust-embedded/cross/releases/download/${version}/cross-x86_64-unknown-linux-gnu.tar.gz"
          tarball_binary_path: "${binary}"
          smoke_test: "${binary} --version"

      - name: Build
        shell: bash
        run: |
          if [ "${{ matrix.job.use-cross }}" == "true" ]; then
            cross build --release --target=${{ matrix.job.target }}
          else
            cargo build --release --target=${{ matrix.job.target }}
          fi

      - name: Rename lib to the final name
        id: rename
        shell: bash
        run: |
          LIB_PREFIX="lib"
          case ${{ matrix.job.target }} in
            *-pc-windows-*) LIB_PREFIX="" ;;
          esac;

          # Figure out suffix of lib
          # See: https://doc.rust-lang.org/reference/linkage.html
          LIB_SUFFIX=".so"
          case ${{ matrix.job.target }} in
            *-apple-darwin) LIB_SUFFIX=".dylib" ;;
            *-pc-windows-*) LIB_SUFFIX=".dll" ;;
          esac;

          CICD_INTERMEDIATES_DIR=$(mktemp -d)

          # Setup paths
          LIB_DIR="${CICD_INTERMEDIATES_DIR}/released-lib"
          mkdir -p "${LIB_DIR}"
          LIB_NAME="${LIB_PREFIX}${{ env.PROJECT_NAME }}${LIB_SUFFIX}"
          LIB_PATH="${LIB_DIR}/${LIB_NAME}"

          # Copy the release build lib to the result location
          cp "target/${{ matrix.job.target }}/release/${LIB_NAME}" "${LIB_DIR}"

          # Final paths
          # In the end we use ".so" for MacOS in the final build
          # See: https://www.erlang.org/doc/man/erlang.html#load_nif-2
          LIB_FINAL_SUFFIX="${LIB_SUFFIX}"
          case ${{ matrix.job.target }} in
            *-apple-darwin) LIB_FINAL_SUFFIX=".so" ;;
          esac;

          LIB_FINAL_NAME="${LIB_PREFIX}${PROJECT_NAME}-v${PROJECT_VERSION}-nif-${RUSTLER_NIF_VERSION}-${{ matrix.job.target }}${LIB_FINAL_SUFFIX}"

          # Copy lib to final name on this directory
          cp "${LIB_PATH}" "${LIB_FINAL_NAME}"

          tar -cvzf "${LIB_FINAL_NAME}.tar.gz" "${LIB_FINAL_NAME}"

          # Passes the path relative to the root of the project.
          LIB_FINAL_PATH="${NIF_DIRECTORY}/${LIB_FINAL_NAME}.tar.gz"

          # Let subsequent steps know where to find the lib
          echo ::set-output name=LIB_FINAL_PATH::${LIB_FINAL_PATH}
          echo ::set-output name=LIB_FINAL_NAME::${LIB_FINAL_NAME}.tar.gz

      - name: "Artifact upload"
        uses: actions/upload-artifact@v3
        with:
          name: ${{ steps.rename.outputs.LIB_FINAL_NAME }}
          path: ${{ steps.rename.outputs.LIB_FINAL_PATH }}

      - name: Publish archives and packages
        uses: softprops/action-gh-release@v1
        with:
          files: |
            ${{ steps.rename.outputs.LIB_FINAL_PATH }}
        if: startsWith(github.ref, 'refs/tags/')