add option to exclude hidden dirs and files

src/reuse/__init__.py

@@ -58,6 +58,8 @@
     re.compile(r"^\.reuse$"),
 ]
 
+_IGNORE_HIDDEN_PATTERN = re.compile(r"^\..+$")
+
 _IGNORE_MESON_PARENT_DIR_PATTERNS = [
     re.compile(r"^subprojects$"),
 ]

src/reuse/_main.py

@@ -84,6 +84,16 @@ def parser() -> argparse.ArgumentParser:
         action="store_true",
         help=_("do not skip over Meson subprojects"),
     )
+    parser.add_argument(
+        "--exclude-hidden-dirs",
+        action="store_true",
+        help=_("skip hidden directories"),
+    )
+    parser.add_argument(
+        "--exclude-hidden-files",
+        action="store_true",
+        help=_("skip hidden files"),
+    )
     parser.add_argument(
         "--no-multiprocessing",
         action="store_true",
@@ -291,6 +301,8 @@ def main(args: Optional[List[str]] = None, out: IO[str] = sys.stdout) -> int:
         project = create_project()
     project.include_submodules = parsed_args.include_submodules
     project.include_meson_subprojects = parsed_args.include_meson_subprojects
+    project.exclude_hidden_dirs = parsed_args.exclude_hidden_dirs
+    project.exclude_hidden_files = parsed_args.exclude_hidden_files
 
     return parsed_args.func(parsed_args, project, out)
 

src/reuse/lint.py

@@ -29,6 +29,9 @@ def add_arguments(parser: ArgumentParser) -> None:
     mutex_group.add_argument(
         "-j", "--json", action="store_true", help=_("formats output as JSON")
     )
+    mutex_group.add_argument(
+        "--ignore-hidden-files", action="store_true", help=_("ignore hidden files")
+    )
     mutex_group.add_argument(
         "-p",
         "--plain",

src/reuse/project.py

@@ -24,6 +24,7 @@
 from . import (
     _IGNORE_DIR_PATTERNS,
     _IGNORE_FILE_PATTERNS,
+    _IGNORE_HIDDEN_PATTERN,
     _IGNORE_MESON_PARENT_DIR_PATTERNS,
     IdentifierNotFound,
     ReuseInfo,
@@ -62,6 +63,8 @@ def __init__(
         root: StrPath,
         include_submodules: bool = False,
         include_meson_subprojects: bool = False,
+        exclude_hidden_files: bool = False,
+        exclude_hidden_dirs: bool = False,
     ):
         self._root = Path(root)
         if not self._root.is_dir():
@@ -265,10 +268,16 @@ def _is_path_ignored(self, path: Path) -> bool:
             for pattern in _IGNORE_FILE_PATTERNS:
                 if pattern.match(name):
                     return True
+            if self.exclude_hidden_files:
+                if _IGNORE_HIDDEN_PATTERN.match(name):
+                    return True
         elif path.is_dir():
             for pattern in _IGNORE_DIR_PATTERNS:
                 if pattern.match(name):
                     return True
+            if self.exclude_hidden_dirs:
+                if _IGNORE_HIDDEN_PATTERN.match(name):
+                    return True
             if not self.include_meson_subprojects:
                 for pattern in _IGNORE_MESON_PARENT_DIR_PATTERNS:
                     if pattern.match(parent_dir):