Fixes issues with copy2 or copystat and SELinux see #3665

src/documents/utils.py

@@ -0,0 +1,43 @@
+import shutil
+from os import utime
+from pathlib import Path
+from typing import Tuple
+from typing import Union
+
+
+def _coerce_to_path(
+    source: Union[Path, str],
+    dest: Union[Path, str],
+) -> Tuple[Path, Path]:
+    return Path(source).resolve(), Path(dest).resolve()
+
+
+def copy_basic_file_stats(source: Union[Path, str], dest: Union[Path, str]) -> None:
+    """
+    Copies only the m_time and a_time attributes from source to destination.
+    Both are expected to exist.
+
+    The extended attribute copy does weird things with SELinux and files
+    copied from temporary directories and copystat doesn't allow disabling
+    these copies
+    """
+    source, dest = _coerce_to_path(source, dest)
+    src_stat = source.stat()
+    utime(dest, ns=(src_stat.st_atime_ns, src_stat.st_mtime_ns))
+
+
+def copy_file_with_basic_stats(
+    source: Union[Path, str],
+    dest: Union[Path, str],
+) -> None:
+    """
+    A sort of simpler copy2 that doesn't copy extended file attributes,
+    only the access time and modified times from source to dest.
+
+    The extended attribute copy does weird things with SELinux and files
+    copied from temporary directories.
+    """
+    source, dest = _coerce_to_path(source, dest)
+
+    shutil.copy(source, dest)
+    copy_basic_file_stats(source, dest)