xcodebuild corrupts test result output when output redirected to file

Question

I have Jenkins with the Xcode plugin configured to run unit tests by adding the test build action to the Custom xcodebuild arguments setting. For more information on getting Jen

Answer 1

Thanks to this answer, I discovered a way to essentially disable buffering using the script command.

script -q -t 0 xcodebuild.out \
    xcodebuild \
        -workspace project.xcworkspace \
        -scheme Tests \
        -configuration Release \
        -sdk iphonesimulator7.0 \
        -destination "platform=iOS Simulator,name=iPhone Retina (4-inch),OS=latest" \
        test
cat xcodebuild.out

Answer 2

As noted by Malte in a comment above, a cleaner solution might be

    env NSUnbufferedIO=YES xcodebuild ...