FSPES-141

Frends.Files.Write/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [1.5.0] - 2026-06-23
+### Fixed
+- Fix stale reads on network storage writes.
+
 ## [1.4.0] - 2025-11-04
 ### Fixed
 - Returning correct file size

Frends.Files.Write/Frends.Files.Write/Frends.Files.Write.csproj

@@ -3,7 +3,7 @@
 	<PropertyGroup>
 		<TargetFramework>net6.0</TargetFramework>
 		<LangVersion>Latest</LangVersion>
-		<Version>1.4.0</Version>
+		<Version>1.5.0</Version>
 		<Authors>Frends</Authors>
 		<Copyright>Frends</Copyright>
 		<Company>Frends</Company>

Frends.Files.Write/Frends.Files.Write/Write.cs

@@ -64,13 +64,18 @@ private static async Task<Result> ExecuteWrite(Input input, Options options)
         var encoding = GetEncoding(options.FileEncoding, options.EnableBom, options.EncodingInString);
         var fileMode = GetAndCheckWriteMode(options.WriteBehaviour, input.Path);
 
-        await using var fileStream =
-            new FileStream(input.Path, fileMode, FileAccess.Write, FileShare.Write, 4096, useAsync: true);
-        await using (var writer = new StreamWriter(fileStream, encoding))
+        await using var fileStream = new FileStream(
+        input.Path, fileMode, FileAccess.Write, FileShare.Write, 4096, FileOptions.Asynchronous | FileOptions.WriteThrough);
+
+        await using (var writer = new StreamWriter(fileStream, encoding, leaveOpen: true))
         {
             await writer.WriteAsync(input.Content).ConfigureAwait(false);
+            await writer.FlushAsync().ConfigureAwait(false);
         }
 
+        // Explicitly flush OS-level buffers
+        fileStream.Flush(true);
+
         return new Result(new FileInfo(input.Path));
     }