add follow symlinks option

Author: mx1up

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## 0.4.0 - 2025-11-11
 
-* support --noempty and --cache cli option
+* support --noempty, --cache and --symlinks cli option
 * added preferences screen
 
 ## 0.3.2 - 2025-11-11

lib/domain/fdupes_bloc.dart

@@ -90,11 +90,13 @@ class FdupesBloc extends Bloc<FdupesEvent, FdupesState> {
     }
     final skipEmpty = sharedPreferences.getBool('noempty') ?? false;
     final useCache = sharedPreferences.getBool('usecache') ?? false;
+    final followSymlinks = sharedPreferences.getBool('followsymlinks') ?? false;
     final dupes = await findDupes(
       event.dirs,
       emit: emit,
       skipEmpty: skipEmpty,
       useCache: useCache,
+      followSymlinks: followSymlinks,
     );
 
     emit(FdupesStateResult(dirs: event.dirs, dupeGroups: dupes));
@@ -170,14 +172,16 @@ class FdupesBloc extends Bloc<FdupesEvent, FdupesState> {
   Future<List<List<String>>> findDupes(
     List<Directory> dirs, {
     required Emitter<FdupesState> emit,
-    bool skipEmpty = false,
-    bool useCache = false,
+    required bool skipEmpty,
+    required bool useCache,
+    required bool followSymlinks,
   }) async {
     print("finding dupes in dirs $dirs");
     final args = [
       '-r',
       if (skipEmpty) '--noempty',
       if (useCache) '--usecache',
+      if (followSymlinks) '--symlinks',
       ...dirs.map((d) => d.path),
     ];
     print('cmd line: $fdupesLocation $args');

lib/presentation/prefs_dialog.dart

@@ -24,12 +24,14 @@ class PreferencesDialog extends StatefulWidget {
 class _PreferencesDialogState extends State<PreferencesDialog> {
   late bool skipEmpty;
   late bool useCache;
+  late bool followSymlinks;
 
   @override
   void initState() {
     super.initState();
     skipEmpty = widget.sharedPreferences.getBool('noempty') ?? false;
     useCache = widget.sharedPreferences.getBool('usecache') ?? false;
+    followSymlinks = widget.sharedPreferences.getBool('followsymlinks') ?? false;
   }
 
   @override
@@ -59,6 +61,15 @@ class _PreferencesDialogState extends State<PreferencesDialog> {
                   widget.sharedPreferences.setBool('usecache', value);
                 });
               }),
+          SwitchListTile(
+              title: const Text('Follow symlinks'),
+              value: followSymlinks,
+              onChanged: (value) {
+                setState(() {
+                  followSymlinks = value;
+                  widget.sharedPreferences.setBool('followsymlinks', value);
+                });
+              }),
         ],
       ),
     );