unit-enum 1.5.0

name: Rust

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    strategy:
      matrix:
        rust: ["1.71.0", "stable"]
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
    - name: Setup Rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: ${{ matrix.rust }}
        override: true
    - name: Build
      run: cargo build --verbose
    - name: Run tests
      run: cargo test --verbose

  publish:
    name: Publish to crates.io
    needs: build
    runs-on: ubuntu-latest
    # Only run on pushes to main branch, not on pull requests
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    steps:
      - uses: actions/checkout@v4

      # Setup Rust toolchain
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true

      # Check if version has changed compared to the published version
      - name: Check version
        id: check-version
        run: |
          CURRENT_VERSION=$(grep -m 1 "version" Cargo.toml | sed -E 's/version = "(.*)"/\1/')
          PUBLISHED_VERSION=$(cargo search unit-enum --limit 1 | grep -m 1 "unit-enum" | sed -E 's/unit-enum = "(.*)"/\1/' || echo "0.0.0")

          if [ "$CURRENT_VERSION" != "$PUBLISHED_VERSION" ]; then
            echo "Version changed from $PUBLISHED_VERSION to $CURRENT_VERSION"
            echo "version_changed=true" >> $GITHUB_OUTPUT
          else
            echo "Version unchanged: $CURRENT_VERSION"
            echo "version_changed=false" >> $GITHUB_OUTPUT
          fi

      # Publish to crates.io if version has changed
      - name: Publish to crates.io
        if: steps.check-version.outputs.version_changed == 'true'
        uses: actions-rs/cargo@v1
        with:
          command: publish
          args: --token ${{ secrets.CRATES_IO_TOKEN }}