ZIP=$1
PROFILE=$2
IPA=$3
if [ "x$ZIP" == x ] || [ "x$PROFILE" == x ]
then
	echo "Usage: $0 <FILE>.xcarchive.zip <PROFILE>.mobileprovision [<APPNAME>.ipa]"
	exit
fi

CERT=`openssl smime -verify -noverify -inform der -in "$PROFILE" 2>/dev/null | plutil -extract 'DeveloperCertificates.0' xml1 - -o - | tail -n+5 | base64 -d | openssl x509 -inform der -noout -subject | perl -pe 's/^.*\/CN\=([^\/]+)\/.*$/$1/g'`
NAME=`unzip -l "$ZIP" | head -n4 | tail -n1 | perl -pe 's/^(\s+[^\s]+){3}\s+(.*)\/$/$2/g'`
echo Extracting
rm -rf .tmp &>/dev/null
mkdir .tmp &>/dev/null
unzip -d .tmp "$ZIP" &>/dev/null
APP=`ls -d .tmp/"$NAME"/Products/Applications/*.app | head -n1`
if [ "x$IPA" == x ]
then
	IPA=`basename "$APP"`
	IPA=${IPA%.app}.ipa
fi
echo Replacing profile
cp "$PROFILE" "$APP"/embedded.mobileprovision
echo Resigning
rm -rf "$APP"/_CodeSignature
rm -rf "$APP"/*.xcent
codesign -d -f -s "$CERT" "$APP" &>/dev/null
echo Exporting IPA
xcodebuild -exportArchive -exportFormat ipa -exportWithOriginalSigningIdentity -archivePath .tmp/"$NAME" -exportPath "$IPA" &>/dev/null
echo Cleanup
rm -rf .tmp &>/dev/null