wstd 0.6.6

An async standard library for Wasm Components and WASI 0.2
Documentation 
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name: 'Install Rust toolchain'
description: 'Install a rust toolchain'

inputs:
  toolchain:
    description: 'Default toolchan to install'
    required: false
    default: 'stable'

runs:
  using: composite
  steps:
    - name: Select Rust
      shell: bash
      id: select
      run: |
        # Determine MSRV by looking at the `rust-version` located in the root
        # `Cargo.toml`.
        msrv=$(grep 'rust-version.*1' Cargo.toml | sed 's/rust-version *\= *"\([^"]*\)"/\1/')

        if [ "${{ inputs.toolchain }}" = "msrv" ]; then
          echo "version=$msrv" >> "$GITHUB_OUTPUT"
        else
          echo "version=${{ inputs.toolchain }}" >> "$GITHUB_OUTPUT"
        fi

    - name: Install Rust
      shell: bash
      run: |
        rustup set profile minimal
        rustup update "${{ steps.select.outputs.version }}" --no-self-update
        rustup default "${{ steps.select.outputs.version }}"

        # Save disk space by avoiding incremental compilation. Also turn down
        # debuginfo from 2 to 0 to help save disk space.
        cat >> "$GITHUB_ENV" <<EOF
        CARGO_INCREMENTAL=0
        CARGO_PROFILE_DEV_DEBUG=0
        CARGO_PROFILE_TEST_DEBUG=0
        EOF

        # Deny warnings on CI to keep our code warning-free as it lands in-tree.
        echo RUSTFLAGS="-D warnings" >> "$GITHUB_ENV"