name: CI

on:
  push:
    branches: ["**"]
  pull_request:

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  ci:
    name: Check / Test
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy

      # Caches ~/.cargo registry/git and target/, keyed on toolchain + Cargo.lock;
      # prunes workspace-crate artifacts so the cache holds only compiled deps.
      - name: Cache cargo
        uses: Swatinem/rust-cache@v2

      - name: fmt
        run: cargo fmt --all -- --check

      - name: clippy
        run: cargo clippy --workspace --all-targets -- -D warnings

      # --workspace covers tui (it is outside default-members).
      - name: test
        run: cargo test --workspace

      - name: test (federation off)
        run: cargo test --workspace --no-default-features

      # Layering guards. These live in the Makefile and were previously local-only,
      # so a PR could go green in CI while violating them.
      - name: guards
        run: make check-appcontext check-handler-deps check-handler-repos check-http-adapter-deps check-federation-off-social check-sqlite-is-ap-free check-binaries-are-thin check-federation-off-deps check-nats-isolated check-no-second-web-stack