From f9fbfda703a468f0cf6906e9a3c93bb9caf11d5d Mon Sep 17 00:00:00 2001
From: davidmorgan <davidmorgan@google.com>
Date: Fri, 28 Nov 2025 10:07:27 +0100
Subject: [PATCH] Report out of watchers error from subdirectories.

---
 .../lib/src/directory_watcher/linux/watch_tree.dart   | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkgs/watcher/lib/src/directory_watcher/linux/watch_tree.dart b/pkgs/watcher/lib/src/directory_watcher/linux/watch_tree.dart
index f916611d8..763b31201 100644
--- a/pkgs/watcher/lib/src/directory_watcher/linux/watch_tree.dart
+++ b/pkgs/watcher/lib/src/directory_watcher/linux/watch_tree.dart
@@ -292,8 +292,15 @@ class WatchTree {
     _directories.remove(directory)?._emitDeleteTree();
     _directories[directory] = WatchTree(
         emitEvent: _emitEvent,
-        // Ignore exceptions from subdirectories.
-        onError: (Object e, StackTrace s) {},
+        onError: (Object e, StackTrace s) {
+          // Ignore exceptions from subdirectories except "out of watchers"
+          // which is an unrecoverable error.
+          if (e is FileSystemException &&
+              e.message.contains('Failed to watch path') &&
+              e.osError?.errorCode == 28) {
+            _onError(e, s);
+          }
+        },
         watchedDirectoryWasDeleted: () {
           _emitDeleteDirectory(directory);
         },