build xcode project without opening the damned thing

xcodebuild.sh

#!/bin/bash
#
# Build and iPhone Simulator Helper Script
# David Xia 2013
#
# WARN: - if your .xcodeproj name is not the same as your .app name,
#           this won't work without modifications
#       - you must run this script in where your .xcodeproj file is

WORKSPACE=$1
SCHEME=$2
SDK=$3
ARCH=$4
CONFIGURATION=$5
LOGFILE=$6

function help
{
    echo "Usage: $0 <workspace> <scheme> <sdk> <arch> <app_path> [configuration] [logname]"
    echo "<workspace>       TBA"
    echo "<scheme>          TBA"
    echo "<sdk>             TBA"
    echo "<arch>            TBA"
    echo "<app_path>        TBA"
    echo "[configuration]   (optional) Debug or Release, defaults to Debug"
    echo "[logname]         (optional) the log file to write to. defaults to stderror.log"
}

# check first argument
if [ -z "${WORKSPACE}" ] || [ -z "${SCHEME}" ] || [ -z "${SDK}" ] || [ -z "${ARCH}" ]; then
    help
    exit 1
fi

# default to "Debug"
if [ -z "${CONFIGURATION}" ] ; then
    CONFIGURATION=Debug
fi

# default to "stderror.log"
# if [ -z "${LOGFILE}" ] ; then
    # LOGFILE=stderr.log
# fi

# backup existing logfile (start fresh each time)
# if [ -f ${LOGFILE} ]; then
    # mv ${LOGFILE} ${LOGFILE}.bak
# fi

xcodebuild -workspace ${WORKSPACE} -scheme ${SCHEME} -sdk ${SDK} -arch ${ARCH}
# ios-sim launch ${APP_PATH} --stderr ${LOGFILE} --exit
# osascript -e "tell application \"iPhone Simulator\" to activate"
# tail -f ${LOGFILE}

brew install ios-sim

then

ios-sim launch /Users/david/Library/Developer/Xcode/DerivedData/<foo>/Build/Products/Debug-iphonesimulator/<foo>.app --stderr stderr.log --exit