[Issue #29] - Build -f throws exception if app is open in another window

Author: DrewImm

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Fixes
 
+- [Issue #29] - Build -f throws exception if app is open in another window
 - [Issue #28] - App isn't merged without -f
 
 ## [0.2.1] - 2018-03-29

lib/chainlinks/builder.js

@@ -42,8 +42,14 @@ let Builder = function() {
 
             // Remove the bin forlder if force build
             if (payload.build.force) {
-                shell.execSync("rm -rf " + buildPath);
-                shouldBuild = true;
+                try {
+                    shell.execSync("rm -rf " + buildPath);
+                    shouldBuild = true;
+
+                }
+                catch (ex) {
+                    reject("Cannot remove build directory.  Please make sure it is not open in another window.");
+                }
             }
 
             // Create build directory if necessary