logos-blockchain-rust-rapidsnark/.github/workflows/release.yml

name: Publish Crate

on:
    release:
        types: [created]

jobs:
    publish:
        runs-on: ubuntu-latest

        steps:
            - name: Checkout repo
              uses: actions/checkout@v5

            - name: Install Rust toolchain
              uses: actions-rs/toolchain@v1
              with:
                  toolchain: "1.89.0"
                  components: rustfmt
                  override: true

            - name: Extract release version
              id: version
              run: |
                  TAG_VERSION="${GITHUB_REF#refs/tags/}"
                  # Strip leading 'v'
                  RELEASE_VERSION="${TAG_VERSION#v}"
                  echo "RELEASE_VERSION=$RELEASE_VERSION" >> $GITHUB_ENV

            - name: Check Cargo.toml version matches tag
              run: |
                  CRATE_VERSION=$(cargo metadata --no-deps --format-version=1 | jq -r '.packages[0].version')
                  if [ "$CRATE_VERSION" != "$RELEASE_VERSION" ]; then
                    echo "❌ Cargo.toml version ($CRATE_VERSION) does not match release tag ($RELEASE_VERSION)"
                    exit 1
                  fi

            - name: Check if version already published
              run: |
                  CRATE_NAME=$(cargo metadata --no-deps --format-version=1 | jq -r '.packages[0].name')
                  if cargo search "^$CRATE_NAME$" --limit 1 | grep -q "$RELEASE_VERSION"; then
                    echo "❌ Version $RELEASE_VERSION already exists on crates.io"
                    exit 1
                  fi

            - name: Publish to crates.io
              env:
                  CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
              run: cargo publish -p rust-rapidsnark