feat: checkpoint distributed gguf runtime stories

tests/test_llama_worker_build.py

@@ -0,0 +1,78 @@
+from __future__ import annotations
+
+import os
+import subprocess
+from pathlib import Path
+
+import pytest
+
+
+ROOT = Path(__file__).resolve().parents[1]
+SCRIPT = ROOT / "packages" / "node" / "native" / "scripts" / "build_llama_worker.sh"
+PIN_FILE = ROOT / "packages" / "node" / "native" / "llama" / "UPSTREAM_COMMIT"
+
+
+@pytest.mark.skipif(not SCRIPT.exists(), reason="llama worker build script is missing")
+def test_llama_worker_build_smoke_rebuild(tmp_path: Path) -> None:
+    if not shutil_which("git"):
+        pytest.skip("git is unavailable")
+    if not (shutil_which("g++") or shutil_which("c++") or shutil_which("clang++")):
+        pytest.skip("no C++ compiler is unavailable")
+
+    source_dir = tmp_path / "llama.cpp"
+    build_one = tmp_path / "build-1"
+    build_two = tmp_path / "build-2"
+    pin = PIN_FILE.read_text(encoding="utf-8").strip()
+
+    source_dir.mkdir()
+    _write_fake_upstream_tree(source_dir, pin)
+    _git_init(source_dir)
+
+    _run_build(source_dir, build_one)
+    _run_build(source_dir, build_two)
+
+    binary = build_two / "meshnet_worker"
+    assert binary.exists()
+    output = subprocess.run(
+        [str(binary), "--smoke"],
+        cwd=ROOT,
+        check=True,
+        capture_output=True,
+        text=True,
+    )
+    assert "meshnet worker scaffold ok" in output.stdout
+    assert pin in output.stdout
+
+
+def _run_build(source_dir: Path, build_dir: Path) -> None:
+    env = os.environ.copy()
+    env.setdefault("PATH", os.environ.get("PATH", ""))
+    subprocess.run(
+        [str(SCRIPT), "--source-dir", str(source_dir), "--build-dir", str(build_dir)],
+        cwd=ROOT,
+        check=True,
+        env=env,
+        capture_output=True,
+        text=True,
+    )
+
+
+def _write_fake_upstream_tree(source_dir: Path, pin: str) -> None:
+    (source_dir / "LICENSE").write_text("MIT License placeholder\n", encoding="utf-8")
+    (source_dir / "AUTHORS").write_text("Georgi Gerganov\nMeshnet maintainers\n", encoding="utf-8")
+    (source_dir / "CMakeLists.txt").write_text("# upstream placeholder\n", encoding="utf-8")
+    (source_dir / ".meshnet-upstream-commit").write_text(f"{pin}\n", encoding="utf-8")
+    (source_dir / ".meshnet-upstream-repository").write_text(
+        "https://github.com/ggml-org/llama.cpp.git\n",
+        encoding="utf-8",
+    )
+
+
+def _git_init(source_dir: Path) -> None:
+    subprocess.run(["git", "init", "-q"], cwd=source_dir, check=True)
+
+
+def shutil_which(name: str) -> str | None:
+    from shutil import which
+
+    return which(name)