build_swift_tools.yml

name: Create Swift WASM build tools

on:
  workflow_dispatch:

jobs:
  create-ubuntu-carton-build:
    name: Create Swift ${{ matrix.swift-version }} WASM build tools
    runs-on: ubuntu-latest
    permissions:
      contents: write
    strategy:
      matrix:
        swift-version: [5.9.1]
        include:
          - swift-version: 5.9.1
            carton-version: 0.20.0

    steps:
      - name: Checkout the repo
        uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true 
          sudo apt-get -q update
          sudo apt-get -q install -y libedit2 libgcc-9-dev libpython2.7 libsqlite3-0 libstdc++-9-dev \
            libxml2 libz3-dev zlib1g-dev build-essential libncurses5 libxkbcommon0 curl unzip libcurl4-openssl-dev libxml2-dev

      - name: Install Binaryen tools
        run: |
          curl -L -v -o binaryen.tar.gz https://github.com/WebAssembly/binaryen/releases/download/version_113/binaryen-version_113-x86_64-linux.tar.gz
          tar xzvf binaryen.tar.gz
          mv binaryen-version_113 binaryen
          cp binaryen/bin/* /usr/local/bin

      - name: Build carton
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          export CARTON_DEFAULT_TOOLCHAIN=wasm-${{ matrix.swift-version }}-version
          gh repo clone swiftwasm/carton -- --branch ${{ matrix.carton-version }} --single-branch
          cd carton
          swift build -c release
          .build/release/carton --version

      - name: Download Swift ${{ matrix.swift-version }} toolchain
        run: |
          curl -L https://github.com/swiftwasm/swift/releases/download/swift-wasm-${{ matrix.swift-version }}-RELEASE/swift-wasm-${{ matrix.swift-version }}-RELEASE-ubuntu22.04_x86_64.tar.gz -o swift-toolcahin.tar.gz
          tar xf swift-toolcahin.tar.gz
          mv swift-wasm-* wasm-${{ matrix.swift-version }}-RELEASE

      - name: Create WASM build tools bundle
        id: create-build
        run: |
          wasm_tools_dir="swift-wasm-tools-${{ matrix.swift-version }}-ubuntu22.04"
          echo "bundle_name=$wasm_tools_dir.tar.lz4" | tee -a $GITHUB_OUTPUT
          mkdir -p $wasm_tools_dir
          mv carton/.build/release/carton $wasm_tools_dir/carton
          mv binaryen/bin/wasm-opt $wasm_tools_dir/wasm-opt
          mv wasm-${{ matrix.swift-version }}-RELEASE $wasm_tools_dir/
          tar cf - $wasm_tools_dir | lz4 -12 > $wasm_tools_dir.tar.lz4

      - name: Compute release version number
        id: compute-version
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          version=$(gh api -i 'repos/${{ github.repository }}/commits?sha=${{ github.sha }}&per_page=1' |  sed -n '/^[Ll]ink:/ s/.*"next".*page=\([0-9]*\).*"last".*/\1/p')
          [ $version -ge 0 ] 2>/dev/null && : || exit 1
          echo "value=$version" | tee -a $GITHUB_OUTPUT

      - name: Create Release with WASM bundle
        uses: ncipollo/release-action@v1
        with:
          tag: "release-${{ matrix.swift-version }}-${{ steps.compute-version.outputs.value }}"
          commit: ${{ github.sha }}
          artifacts: "${{ steps.create-build.outputs.bundle_name }}"
          omitBody: true