[BASH] Prey Anti-theft Installer for PowerPC Mac OSX

#!/bin/bash

#PREY 0.6.2 automated installer for PowerPC
#This script was desiged to install http://www.preyproject.com
#Anti-theft software on older PowerPC computers running OSX
#Download the batch installer from http://preyproject.com/releases/current/prey-0.6.2-mac-batch.mpkg.zip
# & run this script from same directory as batch installer

DIR_1=/usr/share/curl

echo ""
echo " ## Watch as PREY 0.6.2 gracefully spreads its wings on your old PowerPC!"
echo " ## $(uname -n) $(uname -s) $(uname -r) $(uname -m) $(uname -p)"
echo " ## $(date)"
echo ""

if [ $(find "$DIR_1" -name old.curl-ca-bundle.crt |wc -l) -eq 0 ]; then
echo " ## I'll bet that your certificate-bundle is outdated!";
echo " ## They're required in order to establish a connection.";
echo " ## I will take the liberty of updating them for you.";
echo " ## Only good should come from this :)";
echo ""
curl http://curl.haxx.se/ca/cacert.pem -o /usr/share/curl/new_cacert.pem;
echo ""
while true
  do
    read -r -p ' ## Would you like me to continue? ' choice
    case "$choice" in
    n|N|no|No|NO) echo " ## Aw Snap! PREY might not like that :(";
    break;;
    y|Y|yes|yes|Yes|YEs|YES|YeS|yeS|yES) echo " ## I think you made the right choice :)";
    mv $DIR_1/curl-ca-bundle.crt $DIR_1/old.curl-ca-bundle.crt;
    echo "";
    mv "$DIR_1"/new_cacert.pem "$DIR_1"/curl-ca-bundle.crt;
    break;;
    *) echo ' ## Not a valid response!';;
  esac
  done
fi

echo ""

read -p " ## Please provide your API Key:" INPUT_API_KEY

while [[ -z "$INPUT_API_KEY" ]]; do
echo "";
echo " API Key can't be blank, you can find it at:";
echo " https://panel.preyproject.com/profile";
echo ""
read -s -p " Please provide your API Key:" INPUT_API_KEY;
echo "";
done

export API_KEY="$INPUT_API_KEY"

installer -pkg ./prey-0.6.2-mac-batch.mpkg -target / && /usr/share/prey/prey.sh -c