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name: Release

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:

      - uses: actions/checkout@v2

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          components: rustfmt

      - name: Cargo fmt
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

      - name: Cargo publish
        if: startsWith(github.ref, 'refs/tags/')
        uses: actions-rs/cargo@v1
        with:
          command: publish
          args: --token ${{ secrets.CARGO_TOKEN }} -v