Fix upgrade command. Closes #293

Closes #293

Author: garrytrinder

CHANGELOG.md

@@ -6,8 +6,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 > **Note**: odd version numbers, for example, `0.13.0`, are not included in this changelog. They are used to test the new features and fixes before the final release.
+
 ## [0.26.3] - 2025-06-27
 
+### Fixed:
+
+- Commands: Fixed issue where brew update output would be shown in a notification when upgrading Dev Proxy via homebrew
+
 ## [0.26.2] - 2025-06-27
 
 ### Changed:

src/helpers.ts

@@ -122,10 +122,11 @@ export const executeCommand = async (cmd: string, options: ExecOptions = {}): Pr
   return new Promise((resolve, reject) => {
     exec(cmd, options, (error, stdout, stderr) => {
       if (error) {
-        reject(`exec error: ${error}`);
-      } else if (stderr) {
-        reject(`stderr: ${stderr}`);
+        // Command failed with non-zero exit code
+        reject(`exec error: ${error}${stderr ? `\nstderr: ${stderr}` : ''}`);
       } else {
+        // Command succeeded (exit code 0), return stdout
+        // Note: Many tools like brew send informational messages to stderr even on success
         resolve(stdout);
       }
     });