name: tests

# Run the gate (make test) on every push and pull request. Chez is the sole
# substrate; the JVM is used only as the conformance oracle (certify).
on:
  push:
  pull_request:

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
        with:
          submodules: recursive   # vendor/irregex, used by the Chez regex shim

      # Build Chez from source rather than the distro package: the apt
      # chezscheme ships petite+scheme only, with no kernel dev files
      # (libkernel.a, scheme.h), so `jolt build` (the buildsmoke gate) can't link
      # a binary and would skip. The source build provides them, plus the libs the
      # kernel links against.
      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential git liblz4-dev zlib1g-dev libncurses-dev uuid-dev

      - name: Cache Chez Scheme
        id: cache-chez
        uses: actions/cache@v4
        with:
          path: /opt/chez
          key: chez-${{ runner.os }}-v10.4.1-x11off

      - name: Build Chez Scheme from source
        if: steps.cache-chez.outputs.cache-hit != 'true'
        run: |
          git clone --depth 1 --branch v10.4.1 https://github.com/cisco/ChezScheme.git /tmp/chez-src
          cd /tmp/chez-src
          # --disable-x11: the expression editor's X11 clipboard isn't needed and
          # would pull an X11 build/link dep.
          ./configure --installprefix=/opt/chez --threads --disable-x11
          make -j"$(nproc)"
          sudo make install
          sudo chown -R "$USER" /opt/chez

      - name: Put chez on PATH
        run: |
          # Installed as `scheme`; the gate invokes `chez`. A wrapper that execs
          # scheme keeps argv0 so Chez finds its boot files. Placed next to scheme
          # so build.ss derives the csv dir (libkernel.a/scheme.h) from it.
          printf '#!/bin/sh\nexec /opt/chez/bin/scheme "$@"\n' > /opt/chez/bin/chez
          chmod +x /opt/chez/bin/chez
          echo '/opt/chez/bin' >> "$GITHUB_PATH"
          /opt/chez/bin/chez --version

      - name: Install JDK + Clojure (certify oracle)
        run: |
          sudo apt-get install -y default-jdk rlwrap
          # --retry + --fail so a transient CDN error retries instead of handing
          # bash an HTML error page (a 2min timeout page flaked a run)
          curl --fail --retry 5 --retry-delay 10 --retry-all-errors -L -O \
            https://github.com/clojure/brew-install/releases/latest/download/linux-install.sh
          head -1 linux-install.sh | grep -q '^#!' || { echo "installer download corrupt"; cat linux-install.sh | head -5; exit 1; }
          sudo bash linux-install.sh
          clojure --version

      - name: Gate
        # `make ci` runs the behavior gates (corpus/unit/smoke/buildsmoke/sci/
        # certify). buildsmoke now links a real binary (the source-built Chez has
        # the kernel dev files). The self-host byte-fixpoint (make selfhost) is a
        # dev-machine check — it only holds on the Chez that minted the seed. See
        # jolt-8479.
        run: make ci