add mono fix in 1.4

johnvanloon · Mar 3, 2015 · 08c90e8 · 08c90e8
1 parent 56b0062
commit 08c90e8
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diff --git a/src/Unit-1/lesson4/Completed/FileObserver.cs b/src/Unit-1/lesson4/Completed/FileObserver.cs
@@ -28,6 +28,10 @@ public FileObserver(ActorRef tailActor, string absoluteFilePath)
         /// </summary>
         public void Start()
         {
+            // Need this for Mono 3.12.0 workaround
+            // uncomment this line if you're running on Mono!
+            // Environment.SetEnvironmentVariable("MONO_MANAGED_WATCHER", "enabled");
+
             // make watcher to observe our specific file
             _watcher = new FileSystemWatcher(_fileDir, _fileNameOnly);
 

diff --git a/src/Unit-1/lesson4/README.md b/src/Unit-1/lesson4/README.md
@@ -339,7 +339,7 @@ private void DoPrintInstructions()
 #### Add `FileObserver`
 This is a utility class that we're providing for you to use. It does the low-level work of actually watching a file for changes.
 
-Create a new class called `FileObserver` and copy in the code for [FileObserver.cs](Completed/FileObserver.cs):
+Create a new class called `FileObserver` and type in thi code for [FileObserver.cs](Completed/FileObserver.cs). If you're running this on Mono, note the extra environment variable that has to be uncommented in the `Start()` method:
 
 ```csharp
 // FileObserver.cs
@@ -373,6 +373,9 @@ namespace WinTail
         /// </summary>
         public void Start()
         {
+            // Need this for Mono 3.12.0 workaround
+            // Environment.SetEnvironmentVariable("MONO_MANAGED_WATCHER", "enabled"); // uncomment this line if you're running on Mono!
+
             // make watcher to observe our specific file
             _watcher = new FileSystemWatcher(_fileDir, _fileNameOnly);