name: Setup Rust
description: >
  Install the Rust toolchain with platform targets and a build cache, so
  cargokit can compile the native libraries during the Flutter build. kolibri
  comes from pub.dev and builds inside the pub cache, so only the in-repo crate
  is listed here; the shared cargo registry and git checkouts are cached anyway.

inputs:
  targets:
    description: Comma-separated rustup targets for the platform being built.
    required: true

runs:
  using: composite
  steps:
    - name: Install Rust toolchain
      uses: dtolnay/rust-toolchain@stable
      with:
        targets: ${{ inputs.targets }}

    - name: Cache Rust build
      uses: Swatinem/rust-cache@v2
      with:
        workspaces: native/komet_crypto/rust