postinstall

#!/bin/zsh

##########################################################################################
### These are just sample old names and new names. Substitute in whatever you actually ###
### want to replace ######################################################################
##########################################################################################

# Former name of item
old_name="Homebrew"

# New name of item
new_name="Workbrew"

##########################################################################################
##########################################################################################

# Location of SelfServeManifest
self_serve_manifest="/Library/Managed Installs/manifests/SelfServeManifest"

if [[ ! -f $self_serve_manifest ]]; then
	echo "$self_serve_manifest doesn't exist. No update needed."
	exit 0
fi

# Initialize counter to loop through array
counter=0
# Set test variable to see if a change is needed
update_needed=false

# Start loop
while true; do
	# Try to get the 0th, 1st, 2nd, etc. managed install
	managed_install=$(/usr/libexec/PlistBuddy -c "Print :managed_installs:$counter" $self_serve_manifest 2>&-)
	# If we can't get it, break out of the loop
	if [[ -z $managed_install ]]; then
		break
	else
		echo "Examining $managed_install..."
		# If the managed install is the old name, delete it
		if [[ $managed_install == $old_name ]]; then
			echo "Deleting $old_name from $self_serve_manifest..."
			/usr/libexec/PlistBuddy -c "Delete :managed_installs:$counter" $self_serve_manifest
			update_needed=true
		fi
		(( counter++ ))
	fi
done

# If we deleted the old name, let's add the new name
if $update_needed; then
	echo "Adding $new_name to $self_serve_manifest..."
	/usr/libexec/PlistBuddy -c "Add :managed_installs:$counter string \"$new_name\"" $self_serve_manifest
else
	echo "Didn't find $old_name. No update needed."
fi