class GitTrim

# File lib/git-trim.rb, line 21
def find_file(filename, directory=Dir.pwd)
  local_filename = File.expand_path(filename, directory)
  if File.exists?(local_filename)
    return local_filename
  elsif directory == "/"
    return nil
  else
    return find_file(filename, File.expand_path("..", directory))
  end
end

# File lib/git-trim.rb, line 4
def run(argv=nil)
  %x{git fetch -ap}

  if File.exists?(".git-protected-branches")
    protected_branches = File.read(".git-protected-branches").split("\n")
  end
  protected_branches ||= []
  protected_branches << "master"

  branches = %x{git branch --merged master}.split("\n").collect {|b| b.gsub('*', '').strip}
  branches -= protected_branches

  branches.each do |branch|
    puts %x{git branch -d #{branch}}
  end
end