name: CI

on:
  push:
  pull_request:
  workflow_dispatch:
  schedule: [cron: "40 1 * * *"]

permissions:
  contents: read

env:
  RUSTFLAGS: -Dwarnings

jobs:
  test:
    name: Test suite
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - run: cd test_suite && cargo test --features unstable
      - uses: actions/upload-artifact@v4
        if: always()
        with:
          name: Cargo.lock
          path: Cargo.lock

  windows:
    name: Test suite (windows)
    runs-on: windows-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - run: cd test_suite && cargo test --features unstable -- --skip ui --exact

  stable:
    name: Rust ${{matrix.rust}}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        rust: [stable, beta]
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.rust}}
      - run: cd serde && cargo build --features rc
      - run: cd serde && cargo build --no-default-features

  nightly:
    name: Rust nightly ${{matrix.os == 'windows' && '(windows)' || ''}}
    runs-on: ${{matrix.os}}-latest
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu, windows]
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - run: cd serde && cargo build
      - run: cd serde && cargo build --no-default-features
      - run: cd serde && cargo build --no-default-features --features alloc
      - run: cd serde && cargo build --no-default-features --features rc,alloc
      - run: cd serde && cargo build --no-default-features --features unstable
      - run: cd serde && cargo test --features derive,rc,unstable
      - run: cd test_suite/no_std && cargo build
        if: matrix.os != 'windows'
      - run: cd serde_derive && cargo check --tests
        env:
          RUSTFLAGS: --cfg exhaustive ${{env.RUSTFLAGS}}
        if: matrix.os != 'windows'

  build:
    name: Rust ${{matrix.rust}}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        rust: [1.31.0, 1.34.0]
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.rust}}
      - run: sed -i '/"test_suite"/d' Cargo.toml
      - run: cd serde && cargo build --features rc
      - run: cd serde && cargo build --no-default-features
      - run: cd serde && cargo build

  derive:
    name: Rust 1.61.0
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@1.61.0
      - run: |
          sed -i 's/proc-macro2 = { workspace = true/proc-macro2 = { version = "1"/' serde_derive*/Cargo.toml
          sed -i 's/quote = { workspace = true/quote = { version = "1"/' serde_derive*/Cargo.toml
          sed -i 's/syn = { workspace = true/syn = { version = "2"/' serde_derive*/Cargo.toml
      - run: cd serde && cargo check --no-default-features
      - run: cd serde && cargo check
      - run: cd serde_derive && cargo check

  alloc:
    name: Rust 1.36.0
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@1.36.0
      - run: sed -i '/"test_suite"/d' Cargo.toml
      - run: cd serde && cargo build --no-default-features --features alloc

  minimal:
    name: Minimal versions
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - run: cargo generate-lockfile -Z minimal-versions
      - run: cargo check --locked --workspace

  doc:
    name: Documentation
    runs-on: ubuntu-latest
    timeout-minutes: 45
    env:
      RUSTDOCFLAGS: -Dwarnings
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - uses: dtolnay/install@cargo-docs-rs
      - run: cargo docs-rs -p serde
      - run: cargo docs-rs -p serde_derive
      - run: cargo docs-rs -p serde_derive_internals

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@clippy
      - run: cd serde && cargo clippy --features rc,unstable -- -Dclippy::all -Dclippy::pedantic
      - run: cd serde_derive && cargo clippy -- -Dclippy::all -Dclippy::pedantic
      - run: cd serde_derive_internals && cargo clippy -- -Dclippy::all -Dclippy::pedantic
      - run: cd test_suite && cargo clippy --tests --features unstable -- -Dclippy::all -Dclippy::pedantic
      - run: cd test_suite/no_std && cargo clippy -- -Dclippy::all -Dclippy::pedantic

  miri:
    name: Miri
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@miri
      - run: cargo miri setup
      - run: cd serde && cargo miri test --features derive,rc,unstable
        env:
          MIRIFLAGS: -Zmiri-strict-provenance
      - run: cd test_suite && cargo miri test --features unstable
        env:
          MIRIFLAGS: -Zmiri-strict-provenance

  outdated:
    name: Outdated
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: dtolnay/install@cargo-outdated
      - run: cargo outdated --workspace --exit-code 1