name: CI

on:
  pull_request:
    branches:
      - 'master'
  push:
    branches-ignore:
      - 'gh-readonly-queue/**'
  workflow_dispatch:
  merge_group:
    types: [checks_requested]

env:
  RUSTFLAGS: -Dwarnings

jobs:
  build_and_test:
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    strategy:
      matrix:
        os: [ubuntu-latest, macOS-latest, windows-latest]
        rustalias: [stable, nightly, msrv]
        feature_flag: ["--all-features", "--no-default-features", ""]
        include:
        - rustalias: stable
          rust: stable
        - rustalias: msrv
          rust: '1.73'
        - rustalias: nightly
          rust: nightly
    name: 'Build and test ${{ matrix.feature_flag }}: ${{ matrix.os }}, ${{ matrix.rustalias }}'
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/checkout@master

    - name: Install Rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: ${{ matrix.rust }}
        override: true

    - name: Check
      uses: actions-rs/cargo@v1
      with:
        command: check
        args: --all ${{ matrix.feature_flag }} --bins --examples

    - name: Tests
      uses: actions-rs/cargo@v1
      with:
        command: test
        args: --all ${{ matrix.feature_flag }}

  cargo_fmt:
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
          components: rustfmt
      - name: fmt
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  style_and_docs:
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    strategy:
      matrix:
        feature_flag: ["--all-features", "--no-default-features", ""]
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: nightly
        override: true
        components: clippy
    - name: clippy
      uses: actions-rs/cargo@v1
      with:
        command: clippy
        args: --all-targets ${{ matrix.feature_flag }} -- -D warnings
    - name: docs
      uses: actions-rs/cargo@v1
      with:
        command: doc
        args: --no-deps ${{ matrix.feature_flag }}

  fuzz_read:
    runs-on: ubuntu-latest
    needs:
      - build_and_test
      - cargo_fmt
      - style_and_docs
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
      - name: Install afl
        uses: actions-rs/cargo@v1
        with:
          command: install
          args: cargo-afl
      - name: cargo afl system-config
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: system-config
      - name: compile fuzz
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: build --all-features --manifest-path ${{ github.workspace }}/fuzz_read/Cargo.toml
      - name: run fuzz
        timeout-minutes: 70
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: fuzz -i ${{ github.workspace }}/fuzz_read/in -o out -V 3600 -a binary -- ${{ github.workspace }}/fuzz_read/target/debug/fuzz_read
      - name: Minimize corpus
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: cmin -i out/default/queue -o out_cmin -- ${{ github.workspace }}/fuzz_read/target/debug/fuzz_read
      - name: Report coverage
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: showmap -C -i out -o map -- ${{ github.workspace }}/fuzz_read/target/debug/fuzz_read
      - run: sudo apt install rename
      - name: Rename files
        run: |
            rename 's/:/-/g' map/*
            rename 's/:/-/g' out_cmin/*
            rename 's/:/-/g' out/default/crashes/*
      - name: Upload updated corpus
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_read_corpus
          path: out_cmin/*
      - name: Upload any failure inputs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_read_bad_inputs
          path: out/default/crashes/*
          if-no-files-found: ignore
      - name: Upload coverage report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_read_coverage
          path: map

  fuzz_read_with_no_features:
    runs-on: ubuntu-latest
    needs:
      - build_and_test
      - cargo_fmt
      - style_and_docs
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
      - name: Install afl
        uses: actions-rs/cargo@v1
        with:
          command: install
          args: cargo-afl
      - name: cargo afl system-config
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: system-config
      - name: compile fuzz
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: build --manifest-path ${{ github.workspace }}/fuzz_read/Cargo.toml
      - name: run fuzz
        timeout-minutes: 70
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: fuzz -i ${{ github.workspace }}/fuzz_read/in -o out -V 3600 -a binary -- ${{ github.workspace }}/fuzz_read/target/debug/fuzz_read
      - name: Report coverage
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: showmap -C -i out -o map -- ${{ github.workspace }}/fuzz_read/target/debug/fuzz_read
      - run: sudo apt install rename
      - name: Rename files
        run: |
            rename 's/:/-/g' map/*
            rename 's/:/-/g' out/default/crashes/*
      - name: Upload any failure inputs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_read_bad_inputs_no_features
          path: out/default/crashes/*
          if-no-files-found: ignore
      - name: Upload coverage report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_read_coverage_no_features
          path: map

  fuzz_write:
    runs-on: ubuntu-latest
    needs:
      - build_and_test
      - cargo_fmt
      - style_and_docs
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
      - name: Install afl
        uses: actions-rs/cargo@v1
        with:
          command: install
          args: cargo-afl
      - name: cargo afl system-config
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: system-config
      - name: compile fuzz
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: build --all-features --manifest-path ${{ github.workspace }}/fuzz_write/Cargo.toml
      - name: run fuzz
        timeout-minutes: 70
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: fuzz -i ${{ github.workspace }}/fuzz_write/in -o out -V 3600 -a binary -x ${{ github.workspace }}/fuzz_write/fuzz.dict -- ${{ github.workspace }}/fuzz_write/target/debug/fuzz_write
      - name: Minimize corpus
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: cmin -i out/default/queue -o out_cmin -- ${{ github.workspace }}/fuzz_write/target/debug/fuzz_write
      - name: Report coverage
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: showmap -C -i out -o map -- ${{ github.workspace }}/fuzz_write/target/debug/fuzz_write
      - run: sudo apt install rename
      - name: Rename files
        run: |
            rename 's/:/-/g' map/*
            rename 's/:/-/g' out_cmin/*
            rename 's/:/-/g' out/default/crashes/*
      - name: Upload updated corpus
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_write_corpus
          path: out_cmin/*
      - name: Upload any failure inputs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_write_bad_inputs
          path: out/default/crashes/*
          if-no-files-found: ignore
      - name: Upload coverage report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_write_coverage
          path: map

  fuzz_write_with_no_features:
    runs-on: ubuntu-latest
    needs:
      - build_and_test
      - cargo_fmt
      - style_and_docs
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: nightly
          override: true
      - name: Install afl
        uses: actions-rs/cargo@v1
        with:
          command: install
          args: cargo-afl
      - name: cargo afl system-config
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: system-config
      - name: compile fuzz
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: build --all-features --manifest-path ${{ github.workspace }}/fuzz_write/Cargo.toml
      - name: run fuzz
        timeout-minutes: 70
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: fuzz -i ${{ github.workspace }}/fuzz_write/in -o out -V 3600 -a binary -x ${{ github.workspace }}/fuzz_write/fuzz.dict -- ${{ github.workspace }}/fuzz_write/target/debug/fuzz_write
      - name: Report coverage
        uses: actions-rs/cargo@v1
        with:
          command: afl
          args: showmap -C -i out -o map -- ${{ github.workspace }}/fuzz_write/target/debug/fuzz_write
      - run: sudo apt install rename
      - name: Rename files
        run: |
            rename 's/:/-/g' map/*
            rename 's/:/-/g' out/default/crashes/*
      - name: Upload any failure inputs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_write_bad_inputs_no_features
          path: out/default/crashes/*
          if-no-files-found: ignore
      - name: Upload coverage report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: fuzz_write_coverage_no_features
          path: map