# pyright: reportUnusedFunction=false
import logging
import os
import subprocess # nosec B404 - used safely with hardcoded commands only
from pathlib import Path
from ._sync_constants import (
CODE_EXTENSIONS,
EXCLUDED_DIRS,
SPECIAL_FILENAMES,
SYNC_MAX_FILE_SIZE_BYTES,
)
logger = logging.getLogger(__name__)
def _get_git_tracked_files(base_dir: str) -> list[str] | None:
"""Get list of git-tracked files using git ls-files.
Returns:
List of relative file paths, or None if git command fails.
"""
try:
result = subprocess.run( # nosec B603 B607 - hardcoded command, no user input
["git", "ls-files", "--cached", "--others", "--exclude-standard"],
cwd=base_dir,
capture_output=True,
text=True,
timeout=30,
)
if result.returncode == 0:
files = [f.strip() for f in result.stdout.strip().split("\n") if f.strip()]
return files
except (subprocess.TimeoutExpired, FileNotFoundError, OSError) as exc:
logger.debug("git ls-files failed: %s", exc)
return None
def _scan_directory(base_dir: str) -> list[str]:
"""Fallback directory scanning when git is not available.
Returns:
List of relative file paths.
"""
files: list[str] = []
base_path = Path(base_dir)
for root, dirs, filenames in os.walk(base_dir):
dirs[:] = [d for d in dirs if d not in EXCLUDED_DIRS and not d.startswith(".")]
for filename in filenames:
if filename.startswith("."):
continue
file_path = Path(root) / filename
rel_path = file_path.relative_to(base_path)
ext = file_path.suffix.lower()
if ext not in CODE_EXTENSIONS and filename.lower() not in SPECIAL_FILENAMES:
continue
try:
if file_path.stat().st_size > SYNC_MAX_FILE_SIZE_BYTES:
continue
except OSError:
continue
files.append(rel_path.as_posix())
return files
