copilot-setup-steps.yml

name: "Copilot Setup Steps"
on:
  workflow_dispatch:
  push:
    paths:
      - .github/workflows/copilot-setup-steps.yml
  pull_request:
    paths:
      - .github/workflows/copilot-setup-steps.yml
env:
  RUST_BACKTRACE: 1
jobs:
  # The job MUST be called `copilot-setup-steps`
  copilot-setup-steps:
    runs-on: ubuntu-22.04
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v6
        with:
          submodules: true
      - name: Set up libstdc++ on Linux
        run: |
          sudo apt-get update -y
          sudo apt-get install -y --allow-downgrades libstdc++6
          sudo apt-get install -y --reinstall g++
          sudo apt-get install -y creduce
      - name: Read rust version
        id: read_rust_version
        run: |
          rust_toolchain=$(grep channel rust-toolchain.toml | cut -f2 -d'"')
          echo "MSRV=$rust_toolchain" >> $GITHUB_ENV
          echo "MSRV=$rust_toolchain" >> $GITHUB_OUTPUT
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: ${{ steps.read_rust_version.outputs.MSRV }}
          target: x86_64-unknown-linux-gnu
          components: rustc,cargo,rust-std,rust-src,clippy,rustfmt,rust-analyzer,rust-docs
      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            ~/.wasmer/cache/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
            ${{ runner.os }}-cargo-
      - name: Install Nextest
        uses: taiki-e/install-action@nextest
      - name: Install LLVM
        shell: bash
        run: |
          cd $HOME
          curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" --retry 3 --proto '=https' --tlsv1.2 -sSf ${{ env.LLVM_URL }} -L -o llvm.tar.xz
          LLVM_DIR=$HOME/.llvm
          mkdir ${LLVM_DIR}
          tar xf llvm.tar.xz --strip-components=1 -C ${LLVM_DIR}
          echo "${LLVM_DIR}/bin" >> $GITHUB_PATH
          echo "${LLVM_DIR}/usr/bin" >> $GITHUB_PATH
          echo "LLVM_SYS_221_PREFIX=${LLVM_DIR}" >> $GITHUB_ENV
          echo "ENABLE_LLVM=1" >> $GITHUB_ENV
          cd -
        env:
          LLVM_URL: https://github.com/wasmerio/llvm-custom-builds/releases/download/22.x/llvm-linux-amd64.tar.xz
      - name: Install wasixcc
        uses: wasix-org/wasixcc@v0.4.3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          sysroot-tag: v2026-02-16.1
          version: v0.4.3
      - name: Install wasm-tools
        run: |
          cargo install --locked wasm-tools
      - name: Ensure the setup works
        shell: bash
        run: |
          # Check rustfmt is installed
          cargo fmt --version
          # Check clippy is installed
          cargo clippy --version
          # Check wasm-tools is installed
          wasm-tools --version
          # Check wasixcc is installed
          wasixcc --version
          # Check wasm-opt is available
          wasm-opt --version
          # Check that the repo exists
          git status --porcelain
          # Check that the repo is clean
          test -z "$(git status --porcelain)"
          # Check that clang is installed
          clang --version
          # Check that clang comes from the LLVM we installed
          clang_path=$(which clang)
          echo "Clang path: $clang_path"
          [[ "$clang_path" == *".llvm"* ]]
          # Check that creduce is installed
          creduce --version

# For debugging the setup locally, you can uncomment this step and run
# `act -P ubuntu-22.04=catthehacker/ubuntu:full-22.04 -W ./.github/workflows/copilot-setup-steps.yml`
# - name: Setup upterm session
#   uses: owenthereal/action-upterm@v1
#   with:
#     limit-access-to-users: zebreus