facebook/xctool — pull request #60 by fpotter (2013-05-31 04:50:15+00:00)
Title: when xcodebuild fails, print the same error message xcodebuild would … 

Previously, we'd tell you nothing. Now we'll show something like...

```
=== CLEAN ===

xcodebuild clean ProjectsWithDifferentSDKs
OSXLibrary / OSXLibrary (Debug)
✓ Check dependencies (50 ms)
✓ Remove OSXLibrary.build (1 ms)
✓ Remove OSXLibrary.dylib (1 ms)
✓ Remove OSXLibrary-Prefix.pch.pth (1 ms)

iOSLibrary / iOSLibrary (Debug)

xcodebuild clean Tests
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Failed to build workspace Tests with scheme Tests.
Reason: Scheme "Tests"Tests is not configured for running.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
xcodebuild clean failed with error code 70.

** CLEAN FAILED ** (986 ms)
```