Repack expired packages and strip off certs

repackPKGs.command

#!/bin/bash
#Joel "brunerd" Bruner - repack and expired pkg, stripping off all certs

#we can specify a target as an argument
target="$1"

#if target not specified we ask
while [ ! -d "${target}" -a ! -f "${target}" ]; do
    read -p "Please provide a target file or folder: " target
done

#if directory get all the pkg files inside
if [ -d "${target}" ]; then
    fileList=$(find "${target}" -name '*pkg')
else
    fileList="${target}"
fi

#ignore spaces and only respect newlines in for loop
IFS=$'\n'

#got through each file
for file in ${fileList}; do
    #expand the pkg to folder with the extension removed
    pkgutil --expand "${file}" "${file%.*}"
    
    #flatten the package with "-repack.pkg" appended to the name
    pkgutil --flatten "${file%.*}" "${file%.*}"-repack.pkg
    
    #delete the expanded temp folder
    rm -rf "${file%.*}"
done