Make context switch listeners even more best-effort (#2182)

* Make context switch listeners even more best-effort

* Prep 1.4.1

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.4.1 - 22 July 2020
+### Fixed
+* "Permission denied" issue during extension activation. [#2181](https://github.com/microsoft/vscode-docker/issues/2181)
+
 ## 1.4.0 - 22 July 2020
 ### Added
 * Support for Azure Container Instances Docker contexts. [#2102](https://github.com/microsoft/vscode-docker/issues/2102)

package.json

@@ -1,6 +1,6 @@
 {
     "name": "vscode-docker",
-    "version": "1.4.0",
+    "version": "1.4.1",
     "publisher": "ms-azuretools",
     "displayName": "Docker",
     "description": "Makes it easy to create, manage, and debug containerized applications.",

src/docker/ContextManager.ts

@@ -74,13 +74,17 @@ export class DockerContextManager implements ContextManager, Disposable {
         // The file watchers are not strictly necessary; they serve to help the extension detect context switches
         // that are done in CLI. Worst case, a user would have to restart VSCode.
         /* eslint-disable @typescript-eslint/tslint/config */
-        if (fse.existsSync(dockerConfigFile)) {
-            this.configFileWatcher = fs.watch(dockerConfigFile, async () => this.refresh());
-        }
+        try {
+            if (fse.existsSync(dockerConfigFile)) {
+                this.configFileWatcher = fs.watch(dockerConfigFile, async () => this.refresh());
+            }
+        } catch { } // Best effort
 
-        if (fse.existsSync(dockerContextsFolder)) {
-            this.contextFolderWatcher = fs.watch(dockerContextsFolder, async () => this.refresh());
-        }
+        try {
+            if (fse.existsSync(dockerContextsFolder)) {
+                this.contextFolderWatcher = fs.watch(dockerContextsFolder, async () => this.refresh());
+            }
+        } catch { } // Best effort
         /* eslint-enable @typescript-eslint/tslint/config */
     }