rust.yml

on: [push, pull_request]

name: Rust CI

jobs:
  # if this fails we don't try anything else on stable
  #
  # we use multiple jobs so no single check prevents others from being run;
  # but use a cache to speedup steps after build
  # (if initial build fails nothing else is checked)
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Cache stable
        uses: actions/cache@v2
        with:
          key: build-stable-${{ github.run_id }}
          path: |
            /usr/share/rust/.cargo/
            target/
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: build
      - name: Build with all features
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --all-features

  check:
    name: Check
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/checkout@v2
      - name: Cache stable
        uses: actions/cache@v2
        with:
          key: build-stable-${{ github.run_id }}
          path: |
            /usr/share/rust/.cargo/
            target/
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Check
        uses: actions-rs/cargo@v1
        with:
          command: check
          args: --all-features

  test:
    name: Test Suite
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/checkout@v2
      - name: Cache stable
        uses: actions/cache@v2
        with:
          key: build-stable-${{ github.run_id }}
          path: |
            /usr/share/rust/.cargo/
            target/
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Test
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --all-features

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/checkout@v2
      - name: Cache stable
        uses: actions/cache@v2
        with:
          key: build-stable-${{ github.run_id }}
          path: |
            /usr/share/rust/.cargo/
            target/
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
          components: clippy
      - name: Clippy
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: -- -D warnings

  doc:
    name: Rustdoc
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/checkout@v2
      - name: Cache stable
        uses: actions/cache@v2
        with:
          key: build-stable-${{ github.run_id }}
          path: |
            /usr/share/rust/.cargo/
            target/
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Rustdoc
        uses: actions-rs/cargo@v1
        with:
          command: doc
          args: --all-features

  # no cache for nightly, run all steps in same job - if one fails, the others won't be tried
  build-nightly:
    name: Build [nightly]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
          components: rustfmt
      # nightly fmt
      - name: Rustfmt [nightly]
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check
      # nightly build
      - name: Build [nightly]
        uses: actions-rs/cargo@v1
        with:
          command: build
      # nightly build all features
      - name: Build with all features [nightly]
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --all-features
      # check
      - name: Check [nightly]
        uses: actions-rs/cargo@v1
        with:
          command: check
          args: --all-features
      # doc_cfg not stable yet
      # https://doc.rust-lang.org/unstable-book/language-features/doc-cfg.html
      # https://github.com/rust-lang/rust/issues/43781
      - name: Rustdoc [nightly]
        uses: actions-rs/cargo@v1
        env:
          # this should need nightly
          RUSTDOCFLAGS: "--cfg doc_cfg"
        with:
          command: doc
          args: --all-features
      # deploy docs from nightly for doc_cfg feature
      # (for stable we'd create a new job and use the cache)
      - name: Deploy docs
        uses: stbuehler/action-rs-deploy-doc@v1
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
        with:
          target: git@github.com:stbuehler/rustdocs
          target-folder: cidr
          ssh-private-key: ${{ secrets.RUSTDOCS_SSH_ED25519 }}