fixipa.sh

#!/bin/sh

IPA=$1
DIR=$(dirname "${IPA}")
TEMPDIR=${DIR}/tmp
BACKUP=${IPA}_backup
EXTENSION="${IPA##*.}"

# Verify user input
if [ "$IPA" == "" ]; then
	echo "Provide path to *.ipa file"
	exit 0
elif [[ -d $IPA ]]; then
	echo "Provided path is invalid"
	exit 0
elif [[ $EXTENSION != "ipa" ]]; then
	echo "Provided file is not *.ipa"
	exit 0
fi

# Create *.ipa backup
mkdir $BACKUP
cp $IPA $BACKUP

# Change *.ipa extension to *.zip
mv -v $IPA ${IPA%.ipa}.zip

# Create temporary directory
mkdir $TEMPDIR

# Unzip file to tmp directory
unzip ${IPA%.ipa} -d $TEMPDIR

# Remove zip archive
rm ${IPA%.ipa}.zip

# Compress Payload folder
PAYLOAD=$TEMPDIR/'Payload'
zip -r $PAYLOAD.zip $PAYLOAD

# Rename Payload zip
mv -v $PAYLOAD.zip $IPA
rm -rf $PAYLOAD

# Move ipa file from tmp folder
mv $PAYLOAD $DIR

# Delete tmp directory
rm -rf $TEMPDIR