Generate Homebrew Install Commands

generate-homebrew-install-commands.rb

#!/usr/bin/env ruby

brews = []
out = IO.popen("brew leaves", "r") do |io|
  brews = io.read.split "\n"
end

def parse(brew, brew_info)
  in_options = false
  print "brew reinstall -v #{brew} "
  brew_info.split("\n").each do |m|
    #puts m.inspect
    if in_options
      m.scan(/(--[a-zA-Z-]+)/).each do |x|
        print x[0] + " "
      end
      #puts matchdata.inspect
      in_options = false
    end
    if /\*$/.match m
      in_options = true
    end
  end
  puts
end

brews.each do |brew|
  #puts "brew info #{brew}"
  IO.popen("brew info #{brew}", "r") do |info|
    parse(brew, info.read)
  end
end