#!/usr/bin/env ruby

kernel_package = ARGV[0] || "linux"

content = ""
IO.popen(["pacman", "-Ql", kernel_package]) {|io| content = io.read }
kernel = /\/usr\/lib\/modules\/(?<version>.*)\/kernel/.match(content)
abort "no kernel version found in package" unless kernel

mods = Dir["/usr/src/*"].sort
mods.each do |mod|
  match = /(?<name>[^\/-]+)-(?<version>.+)$/.match(mod)
  unless match
    puts "Skip module '#{mod}' (not following the name standard)"
    next
  end
  args = ["dkms",
          "install",
          "-m", "#{match[:name]}/#{match[:version]}",
          "-k", kernel[:version]]
  puts "$ #{args.join(" ")}"
  system(*args)
end