Revert Spotify and prevent it from updating itself

revert_spotify.sh

#!/bin/sh

# @mcminton
# This script will download the appropriate version of Spotify and lock it from auto-updating itself
# This is needed to support AppleScript when running https://github.com/minton/Spot
# See https://community.spotify.com/t5/Help-Desktop-Linux-Mac-Windows/Revert-back-to-Spotify-0-8-5-on-Mac/m-p/325476/highlight/true#M35698

# Kill Spotify if it happens to be running
killall Spotify &> /dev/null

# Remove existing Spotify.dmg if needed
rm Spotify.dmg

echo "Uninstall existing Spotify..."
rm -r /Applications/Spotify.app


echo "Download archived Spotify..."
curl -L -o Spotify.dmg https://www.dropbox.com/s/88cdfti7qu57n14/Spotify.dmg?dl=0

echo "Mount DMG..."
hdiutil attach Spotify.dmg
sleep 4

echo "Copy to Applications folder..."
cp -R "/Volumes/Spotify/Spotify.app" /Applications

echo "Unmount..."
hdiutil detach "/Volumes/Spotify"

echo "Launch Spotify to create Application Support folders..."
echo "Please wait for Spotify to exit..."
open -a Spotify
sleep 3
killall Spotify
sleep 2

echo "Lock Spotify from updating itself..."
chflags nouchg ~/Library/Application\ Support/Spotify/Spotify_new.archive &> /dev/null
chflags nouchg ~/Library/Application\ Support/Spotify/Spotify_new.archive.sig &> /dev/null
rm ~/Library/Application\ Support/Spotify/Spotify_new.archive &> /dev/null
rm ~/Library/Application\ Support/Spotify/Spotify_new.archive.sig &> /dev/null
touch ~/Library/Application\ Support/Spotify/Spotify_new.archive
touch ~/Library/Application\ Support/Spotify/Spotify_new.archive.sig
chflags uchg ~/Library/Application\ Support/Spotify/Spotify_new.archive
chflags uchg ~/Library/Application\ Support/Spotify/Spotify_new.archive.sig