name: Publish to crates.io

on:
  push:
    tags: [ 'v*' ]

jobs:
  publish:
    runs-on: ubuntu-latest

    permissions:
      id-token: write # Required for OIDC token exchange

    steps:
      - uses: actions/checkout@v5

      - uses: rust-lang/crates-io-auth-action@v1
        id: auth

      - run: cargo publish
        env:
          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}
