some notes on moving cus im too lazy to actually fix this

lib/interactive.dart

@@ -119,7 +119,7 @@ Future<List<File>> getZips() async {
     error('Duh, something went wrong with selecting - try again!');
     quit(69);
   }
-  if (files!.count == 0) {
+  if (files.count == 0) {
     error('No files selected - try again :/');
     quit(6969);
   }
@@ -150,7 +150,8 @@ Future<List<File>> getZips() async {
 
 /// Asks user for output folder with ui dialogs
 Future<Directory> getOutput() async {
-  print('Now, select output folder - all photos will be extracted there');
+  print('Now, select output folder - all photos will be moved there\n'
+      '(note: GPTH will *move* your photos - no extra space will be taken ;)');
   await sleep(1);
   pressEnterToContinue();
   final dir = await getDirectoryPath(dialogTitle: 'Select output folder:');
@@ -223,12 +224,10 @@ Future<bool> askForCleanOutput() async {
     case '3':
       print('Okay, exiting...');
       quit(0);
-      break;
     default:
       error('Invalid answer - try again');
       return askForCleanOutput();
   }
-  throw 'WTF this should never happen - go tell @TheLastGimbus';
 }
 
 /// Checks free space on disk and notifies user accordingly

lib/moving.dart

@@ -6,6 +6,7 @@ import 'dart:io';
 
 import 'package:collection/collection.dart';
 import 'package:gpth/interactive.dart' as interactive;
+import 'package:gpth/utils.dart';
 import 'package:path/path.dart' as p;
 
 import 'media.dart';
@@ -130,9 +131,19 @@ Stream<int> moveFiles(
       moveFile() async {
         final freeFile = findNotExistingName(
             File(p.join(folder.path, p.basename(file.value.path))));
-        return copy
-            ? await file.value.copy(freeFile.path)
-            : await file.value.rename(freeFile.path);
+        try {
+          return copy
+              ? await file.value.copy(freeFile.path)
+              : await file.value.rename(freeFile.path);
+        } on FileSystemException {
+          print(
+            "Uh-uh, it looks like you selected other output drive than\n"
+            "input one - gpth can't move files between them. But, you don't have\n"
+            "to do this! Gpth *moves* files, so this doesn't take any extra space!\n"
+            "Please run again and select different output location <3",
+          );
+          quit(1);
+        }
       }
 
       if (file.key == null) {

lib/utils.dart

@@ -17,7 +17,7 @@ const maxFileSize = 64 * 1024 * 1024;
 /// convenient print for errors
 void error(Object? object) => stderr.write('$object\n');
 
-void quit([int code = 1]) {
+Never quit([int code = 1]) {
   if (interactive.indeed) {
     print('[gpth ${code != 0 ? 'quitted :(' : 'finished :)'} (code $code) - '
         'press enter to close]');