opal/opal

#!/usr/bin/env ruby

def system(*args)
  puts "== command: #{args.inspect}"
  super
end

def system!(*args)
  system(*args) or raise "== command failed: #{args.inspect}"
end


Dir.chdir "#{__dir__}/.."
Dir.mkdir 'tmp' unless File.directory? 'tmp'

system 'git submodule --quiet deinit --all -f 2> /dev/null'

modules = {}
`git config -f #{__dir__}/../.gitmodules --list`.lines.each do |line|
  fullkey, value = line.split('=', 2)
  _, name, key = fullkey.split('.', 3)
  modules[name] ||= {}
  modules[name][key.to_sym] = value.strip
end

`git submodule`.lines.each do |line|
  sha1, name = line[1..-1].scan(/^(?<sha1>\w+) (?<name>\S+)/).first
  modules[name][:sha1] = sha1
end

modules.map do |name, config|
  puts "== installing #{name}..."
  url, sha1, path = config.values_at(:url, :sha1, :path)
  dir = File.dirname(path)
  url.sub!(/\.git$/, '')

  Thread.new do
    system! "curl -L #{url}/archive/#{sha1}.zip -o #{sha1}.zip"

    system! "unzip -q #{sha1}.zip -d #{dir}"
    system! "rm #{sha1}.zip"

    system! "rm -rf #{path}" if File.directory? path
    system! "mv #{dir}/*-#{sha1} #{path}"
    print "== completed installing #{name}.\n"
  end
end.each(&:join)

system! 'git submodule init'