Compares the production to qa branches for differences

compare_production_to_qa.rb

def compare_branches(source, destination)
  begin
    IO.popen 'git fetch'
    gitdiff = `git diff --name-status #{source}..#{destination}`
  rescue
    raise "git unavailable"
  end
  if (!gitdiff.empty?)
    raise "Branches do not match!\n" + gitdiff
  end  
end

task :compare_production_to_qa do
  compare_branches('origin/production','origin/qa')
end