release.yml

name: Release

on:
  push:
    tags:
      - "v*"

env:
  CARGO_TERM_COLOR: always

jobs:
  publish:
    name: Publish to crates.io
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Validate tag version matches Cargo.toml
        run: |
          TAG_VERSION="${GITHUB_REF_NAME#v}"
          CARGO_VERSION=$(cargo metadata --no-deps --format-version 1 | python -c 'import json,sys;print(next(p["version"] for p in json.load(sys.stdin)["packages"] if p["name"]=="ripdiff"))')
          if [ "$TAG_VERSION" != "$CARGO_VERSION" ]; then
            echo "Tag version ($TAG_VERSION) does not match Cargo.toml version ($CARGO_VERSION)"
            exit 1
          fi

      - name: Package check
        run: cargo package --allow-dirty

      - name: Publish crate
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
        run: cargo publish --locked

      - name: Generate release notes
        run: |
          {
            echo "## ripdiff $GITHUB_REF_NAME"
            echo
            echo "Install with:"
            echo "```bash"
            echo "cargo install ripdiff"
            echo "```"
          } > release-notes.md

      - name: Create GitHub release
        uses: softprops/action-gh-release@v2
        with:
          body_path: release-notes.md