xcpretty to return same status code as xcodebuild

scripts/build.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
-xcodebuild -project SwiftyStoreKit.xcodeproj -target SwiftyStoreKit_iOS | tee xcodebuild.log | xcpretty
-xcodebuild -project SwiftyStoreKit.xcodeproj -target SwiftyStoreKit_macOS | tee xcodebuild.log | xcpretty
-xcodebuild -project SwiftyStoreKit.xcodeproj -target SwiftyStoreKit_tvOS | tee xcodebuild.log | xcpretty
+set -o pipefail && xcodebuild -project SwiftyStoreKit.xcodeproj -target SwiftyStoreKit_iOS | tee xcodebuild.log | xcpretty
+set -o pipefail && xcodebuild -project SwiftyStoreKit.xcodeproj -target SwiftyStoreKit_macOS | tee xcodebuild.log | xcpretty
+set -o pipefail && xcodebuild -project SwiftyStoreKit.xcodeproj -target SwiftyStoreKit_tvOS | tee xcodebuild.log | xcpretty
 
-xcodebuild test -project SwiftyStoreKit.xcodeproj -scheme SwiftyStoreKitTests -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 6,OS=10.3' | tee xcodebuild.log | xcpretty
+set -o pipefail && xcodebuild test -project SwiftyStoreKit.xcodeproj -scheme SwiftyStoreKitTests -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 6,OS=10.3' | tee xcodebuild.log | xcpretty