This script builds a new version of the WeComeInPeace mod for Starbound. It must be run inside a directory next to the spawner.config file.

wcip_build.rb

require 'fileutils'
require 'json'

template = ' {
    "op": "replace",
    "path": "/spawns/CREATURE/monsterParameters/aggressive",
    "value": false
  }'

puts "#{Time.now.strftime("%H:%M:%S")} : Scanning for aggressive aliens"

File.open("spawner.config", "r+") do |spawner|
	contents = File.read(spawner)
	json = JSON.parse(contents)
	@hostiles = Array.new
	json["spawns"].map do |hostile|
		name = hostile.first.to_s
		hostile.each do |details|
			next if details.is_a? String
			if details["monsterParameters"]["aggressive"] == true
				@hostiles << name
			end
		end
	end
end

puts "#{Time.now.strftime("%H:%M:%S")} : Preparing Buildspace"

# You'll need to manually add a modinfo file
if File.exist?("#{Dir.pwd}/WCIP/spawner.config.patch")
	FileUtils.rm_rf(Dir.glob("#{Dir.pwd}/WCIP/spawner.config.patch"))
else
	FileUtils.mkdir_p("#{Dir.pwd}/WCIP")
end

puts "#{Time.now.strftime("%H:%M:%S")} : Starting build"
patch_contents = "[\n"
@hostiles.each do |name|
	modified_template = template.gsub("CREATURE", name.to_s)
	patch_contents << "#{modified_template}, \n"
end
patch_contents.chomp!(", \n")
patch_contents << "\n]"
File.open("#{Dir.pwd}/WCIP/spawner.config.patch", "w+") do |patch|
	patch.write(patch_contents)
end