devill · Sep 24, 2026 · Sep 24, 2026
diff --git a/src/habit_hooks/scope.py b/src/habit_hooks/scope.py
@@ -26,7 +26,7 @@ class Scope:
 def resolve_scope(args: argparse.Namespace, config: Config, project_dir: Path) -> Scope:
     placed = _placed(_selected(args, config, project_dir), project_dir)
     files = _source_files(placed, config, project_dir)
-    notices = [] if files else empty_scope_notices(args.file, project_dir, config)
+    notices = [] if files else empty_scope_notices(args.file[-1] if args.file else None, project_dir, config)
     if args.file is None:
         notices = [*submodule_notices(placed, config, project_dir), *notices]
     return Scope(files, notices)
@@ -36,7 +36,7 @@ def _selected(
     args: argparse.Namespace, config: Config, project_dir: Path
 ) -> list[str]:
     if args.file is not None:
-        return [args.file]
+        return args.file
     if args.branch is not None:
         base = args.branch or config.scope.branchBase
         return _changed_since(

diff --git a/src/habit_hooks/sensors/__init__.py b/src/habit_hooks/sensors/__init__.py
@@ -44,7 +44,7 @@ def build_parser(prog: str) -> argparse.ArgumentParser:
     parser.add_argument("--no-snooze", action="store_true")
     modes = parser.add_mutually_exclusive_group()
     modes.add_argument("--all", action="store_true")
-    modes.add_argument("--file")
+    modes.add_argument("--file", action="append")
     modes.add_argument("--branch", nargs="?", const="", metavar="base")
     modes.add_argument("--last", type=_positive_int)
     modes.add_argument("--since")

diff --git a/tests/test_cli.py b/tests/test_cli.py
@@ -106,3 +106,9 @@ def fail(_: list[str]) -> int:
 
     assert run_console("habit-sensors", fail, []) == 2
     assert capsys.readouterr().err == "habit-sensors: not a git repository\n"
+
+
+def test_repeated_file_flags_are_preserved() -> None:
+    parsed = sensors.parse_args(["--file", "a.md", "--file", "b.md"])
+
+    assert parsed.file == ["a.md", "b.md"]
diff --git a/tests/test_scope.py b/tests/test_scope.py
@@ -94,6 +94,18 @@ def test_a_named_file_inside_files_is_scanned(tmp_path: Path) -> None:
     assert scoped == ["src/a.py"]
 
 
+def test_repeated_named_files_are_all_in_scope(tmp_path: Path) -> None:
+    source = _source_file(tmp_path)
+    second = source.with_name("b.py")
+    second.write_text("", encoding="utf-8")
+    scoped = _scoped_files(
+        ["--file", "src/a.py", "--file", "src/b.py"],
+        tmp_path,
+        Config(files=["src/**"]),
+    )
+    assert scoped == ["src/a.py", "src/b.py"]
+
+
 def test_an_absolute_named_file_is_placed_in_the_project(tmp_path: Path) -> None:
     absolute = str(_source_file(tmp_path))
     scoped = _scoped_files(["--file", absolute], tmp_path, Config(files=["src/**"]))