gistfile1.rb

## deploydots [plain_text]
#!/usr/bin/env ruby

require 'find'

$replace_all = false

home_dir = Dir.home
dotfiles_dir = File.join home_dir, 'dotfiles'

Dir.chdir dotfiles_dir

Dir['*'].each do |topfile|
  dotfile_name = '.' + topfile
  dotfile_path = File.join home_dir, dotfile_name
  topfile_path = File.join dotfiles_dir, topfile
  if Dir.directory? topfile
    Dir.mkdir dotfile_path unless Dir.directory? dotfile_path # create the folder unless it already exists

    Find.find(topfile) do |file|
      dotfile_child_path = File.join dotfile_path, file
      topfile_child_path = File.join topfile_path, file
      if Dir.directory? topfile_child_path
	Dir.mkdir dotfile_child_path unless Dir.directory? dotfile_path # create the folder unless it already exists
      else # regular file
	link topfile_child_path, dotfile_child_path
      end
    end

  else # just a regular file
    link topfile_path, dotfile_path
  end
end

# makes a symlink which points from new -> old
def link old, new
  if File.exists? new
    if File.symlink? new
      return # symlinked already
    else # file exists but isn't a symlink, assuming regular file
      if $replace_all
	File.delete new
	File.symlink old, new
	return
      end

      # ask what we should do (replace, replace_all, skip, skip_all, or quit)
      response = nil
      loop do
	puts "#{new} already exists, 1) replace 2) replace all 3) quit"
	begin
	  response = Integer gets.chomp
	rescue ArgumentError
	  puts "not a valid number, exitting..."
	  redo
	end

	unless (1..3).member? response
	  puts "number not in range of 1..3"
	  redo
	end
      end

      case response
      when 1
	File.delete new
	File.symlink old, new
      when 2
	$replace_all = true
	File.delete new
	File.symlink old, new
      when 3
	exit
      end
    end 
  else
    # just create a regular symlink
    File.symlink old, new
  end
end