from __future__ import annotations
import subprocess
from pathlib import Path
def _run(cmd: list[str], cwd: Path | None = None, timeout: int = 20) -> subprocess.CompletedProcess[str]:
return subprocess.run(["uv", "run", *cmd], cwd=str(cwd) if cwd else None, text=True, capture_output=True, timeout=timeout)
def test_parent_gitignore_does_not_leak_into_child_repo(tmp_path: Path) -> None:
repo = tmp_path
# Parent repo with rule to ignore all .md files
(repo / ".git").mkdir()
(repo / ".gitignore").write_text("*.txt\n")
# Child repo under subrepo, with its own .git and an override
(repo / "subrepo").mkdir()
(repo / "subrepo" / ".git").mkdir()
# Explicit negation in child (also covers non-boundary fallback)
(repo / "subrepo" / ".gitignore").write_text("!keep.txt\n")
(repo / "subrepo" / "keep.txt").write_text("x")
# Enable gitignore-only via sentinel to exercise .gitignore logic explicitly
(repo / ".chunkhound.json").write_text('{"indexing": {"exclude": ".gitignore"}}\n')
proc = _run(["chunkhound", "index", "--simulate", str(repo)])
assert proc.returncode == 0, proc.stderr
out = set(proc.stdout.strip().splitlines())
# Parent's *.md must NOT exclude files inside the child repo
assert "subrepo/keep.txt" in out
