check-fuzz.yml

# Smoke test to build fuzz targets.
# Deserves its own action given that it depends on nightly
# and there's currently no way to define multiple toolchains through the
# `rust-toolchain.toml` configuration file.
name: Build Fuzz Targets
on:
  push:
    branches:
      - main
  pull_request:

jobs:
  check-fuzz:
    name: Build fuzz targets
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Read pinned nightly version
        id: nightly_version
        shell: bash
        run: |
          NIGHTLY_VERSION=$(cat pinned-nightly-version)
          echo "nightly_version=$NIGHTLY_VERSION" >> "$GITHUB_OUTPUT"

      - name: Read cargo fuzz version
        id: cargo_fuzz_version
        shell: bash
        run: |
          CARGO_FUZZ_VERSION=$(cat pinned-cargo-fuzz-version)
          echo "cargo_fuzz_version=$CARGO_FUZZ_VERSION" >> "$GITHUB_OUTPUT"

      - name: Install nightly
        run: |
          rustup install ${{ steps.nightly_version.outputs.nightly_version }}
          rustup override set ${{ steps.nightly_version.outputs.nightly_version }}
          rustup component add clippy

      - name: Install cargo fuzz
        run: cargo install cargo-fuzz --version=${{ steps.cargo_fuzz_version.outputs.cargo_fuzz_version }}

      - name: Build fuzz targets
        run: cargo fuzz build --dev