fixing react debug detox, verbose travis build

.travis.yml

@@ -39,6 +39,7 @@ install:
   - yarn install
 
 script:
+  - set -x
   - yarn run lint
   - yarn run test-js
   - ./scripts/installAndroidSDK.sh

playground/scripts/detoxDebugFix.rb

@@ -0,0 +1,32 @@
+#!/usr/bin/env ruby
+
+require 'pathname'
+
+$LOAD_PATH.unshift(__dir__ + "/../node_modules/detox/scripts/Xcodeproj/lib")
+$LOAD_PATH.unshift(__dir__ + "/../node_modules/detox/scripts/Nanaimo/lib")
+
+require 'xcodeproj'
+
+isAlwaysDebug = ARGV.count > 0 && ARGV[0].to_s.eql?('debug')
+
+project = Xcodeproj::Project.open(__dir__ + "/../node_modules/react-native/React/React.xcodeproj")
+
+debug_preprocessor_macros = project.build_configuration_list['Debug'].build_settings['GCC_PREPROCESSOR_DEFINITIONS']
+release_preprocessor_macros = project.build_configuration_list['Release'].build_settings['GCC_PREPROCESSOR_DEFINITIONS']
+
+unless debug_preprocessor_macros.kind_of?(Array)
+  debug_preprocessor_macros = [debug_preprocessor_macros]
+end
+unless release_preprocessor_macros.kind_of?(Array)
+  release_preprocessor_macros = [release_preprocessor_macros]
+end
+
+if isAlwaysDebug then
+  release_preprocessor_macros = release_preprocessor_macros | debug_preprocessor_macros
+else
+  release_preprocessor_macros = release_preprocessor_macros - debug_preprocessor_macros
+end
+
+project.build_configuration_list['Release'].build_settings['GCC_PREPROCESSOR_DEFINITIONS'] = release_preprocessor_macros
+
+raise "Error: Unable to save Xcode project" unless project.save()

playground/scripts/e2e.ios.js

@@ -13,15 +13,15 @@ function hackReactXcodeScript() {
 
 function buildProjForDetox() {
   const scheme = release ? `playground_release_Detox` : `playground_Detox`;
-  const args = release ? '' : `GCC_PREPROCESSOR_DEFINITIONS="DEBUG=1 RCT_DEBUG=1 RCT_DEV=1 RCT_NSASSERT=1"`;
+
+  shellUtils.exec.execSync(`./scripts/detoxDebugFix.rb ${release ? '' : 'debug'}`);
 
   shellUtils.exec.execSync(`RCT_NO_LAUNCH_PACKAGER=true
           cd ios && xcodebuild
             -scheme ${scheme} build
             -project playground.xcodeproj
             -sdk iphonesimulator
-            -derivedDataPath ./DerivedData/playground
-            ${args}`);
+            -derivedDataPath ./DerivedData/playground`);
 }
 
 function e2e() {
@@ -38,6 +38,7 @@ function e2e() {
                                 --recursive
                                 --compilers js:babel-register`);
   } finally {
+    shellUtils.exec.execSync(`./scripts/detoxDebugFix.rb`);
     shellUtils.exec.kill(`detox-server`);
     if (release) {
       shellUtils.exec.kill(`Simulator`);