From 1228953c1344ba4c7f3683ada73e3814b64cb6ed Mon Sep 17 00:00:00 2001
From: zhongwuzw <zhongwuzw@qq.com>
Date: Fri, 14 Jun 2019 12:14:34 +0800
Subject: [PATCH] Fix: Add fallback path check when not found app file for iOS

---
 packages/platform-ios/src/commands/runIOS/index.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/platform-ios/src/commands/runIOS/index.js b/packages/platform-ios/src/commands/runIOS/index.js
index 3d3b395bf..239334d07 100644
--- a/packages/platform-ios/src/commands/runIOS/index.js
+++ b/packages/platform-ios/src/commands/runIOS/index.js
@@ -329,7 +329,13 @@ function getBuildPath(configuration, appName, isDevice, scheme) {
     device = 'iphonesimulator';
   }
 
-  return `build/${scheme}/Build/Products/${configuration}-${device}/${appName}.app`;
+  let buildPath = `build/${scheme}/Build/Products/${configuration}-${device}/${appName}.app`;
+  // Check wether app file exist, sometimes `-derivedDataPath` option of `xcodebuild` not works as expected.
+  if (!fs.existsSync(path.join(buildPath))) {
+    return `DerivedData/Build/Products/${configuration}-${device}/${appName}.app`;
+  }
+
+  return buildPath;
 }
 
 function getProductName(buildOutput) {