ci.yml

name: CI

on:
  push:
    branches: ["master"]
    tags: ["v*"]
  pull_request:
    branches: ["master"]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  RUST_BACKTRACE: 1

jobs:

  ##########################
  # Linting and formatting #
  ##########################

  clippy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
          components: clippy

      - run: cargo clippy --workspace --all-features -- -D warnings

  rustfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: nightly
          components: rustfmt

      - run: cargo +nightly fmt --all -- --check




  ###########
  # Testing #
  ###########

  msrv:
    name: MSRV
    strategy:
      fail-fast: false
      matrix:
        msrv: ["1.65.0"]
        os:
          - ubuntu
          - macOS
          - windows
    runs-on: ${{ matrix.os }}-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: nightly
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.msrv }}

      - name: Install minimal dependencies versions
        run: cargo +nightly update -Z minimal-versions

      - run: cargo test --workspace --features full,testing-helpers
                        -- --skip compile_fail
        env:
          RUSTFLAGS: --cfg msrv
          RUSTDOCFLAGS: --cfg msrv

  no_std:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable

      - name: Install cargo nono
        run: curl -LSfs https://japaric.github.io/trust/install.sh
             | sh -s -- --git hobofan/cargo-nono
                        --tag $(curl -s https://api.github.com/repos/hobofan/cargo-nono/releases/latest
                                | jq -r '.tag_name')
             # TODO: Remove the latest Git tag detection above once this PR is merged:
             #       https://github.com/japaric/trust/pull/137

      - run: cargo nono check --package derive_more
                   --no-default-features --features full

  test:
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu
          - macOS
          - windows
        toolchain:
          - stable
          - nightly
    runs-on: ${{ matrix.os }}-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}

      - run: cargo test --workspace --features full,testing-helpers

  test-features:
    name: test features
    strategy:
      fail-fast: false
      matrix:
        std: ["std", "no_std"]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: nightly

      - name: Install tomljson
        run: |
          go install github.com/pelletier/go-toml/cmd/tomljson@latest
          echo "$HOME/go/bin" >> $GITHUB_PATH

      - run: ci/test_all_features.sh ${{ matrix.std }}




  #################
  # Documentation #
  #################

  rustdoc:
    name: rustdoc${{ matrix.opts != '' && ' (private)' || '' }}
    strategy:
      fail-fast: false
      matrix:
        opts: ["", "--document-private-items"]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: nightly

      - run: cargo +nightly doc -p derive_more-impl --features full ${{ matrix.opts }}
        env:
          RUSTDOCFLAGS: --cfg docsrs --cfg ci

      - run: cargo +nightly doc -p derive_more --features full ${{ matrix.opts }}
        env:
          RUSTDOCFLAGS: --cfg docsrs --cfg ci




  #############
  # Releasing #
  #############

  release-github:
    name: release (GitHub)
    if: ${{ startsWith(github.ref, 'refs/tags/v') }}
    needs:
      - clippy
      - msrv
      - no_std
      - rustdoc
      - rustfmt
      - test
      - test-features
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Parse release version
        id: release
        run: echo "version=${GITHUB_REF#refs/tags/v}"
             >> $GITHUB_OUTPUT
      - name: Verify release version matches `derive_more` Cargo manifest
        run: |
          test "${{ steps.release.outputs.version }}" \
            == "$(grep -m1 'version = "' Cargo.toml | cut -d '"' -f2)"

      - name: Parse CHANGELOG link
        id: changelog
        run: echo "link=${{ github.server_url }}/${{ github.repository }}/blob/v${{ steps.release.outputs.version }}/CHANGELOG.md#$(sed -n '/^## ${{ steps.release.outputs.version }}/{s/^## \([^ ]*\) - \([0-9].*\)/\1---\2/;s/[^0-9a-z-]*//g;p;}' CHANGELOG.md)"
             >> $GITHUB_OUTPUT

      - uses: softprops/action-gh-release@v2
        with:
          name: ${{ steps.release.outputs.version }}
          body: |
            [API docs](https://docs.rs/derive_more/${{ steps.release.outputs.version }})
            [Changelog](${{ steps.changelog.outputs.link }})
          prerelease: ${{ contains(steps.release.outputs.version, '-') }}