require 'rake'
require 'pathname'

task :default => [:link]

# you can set template.
#
# $ rake link FROM=yoshimi_default TO=default
#
desc "link from template/ENV['FROM'] to ~/.cutagem/templates/ENV['TO']"
task :link do |t|
  from = ENV["FROM"] or raise 'USAGE: $ rake link FROM=walf443_default TO=default'
  to = ENV['TO'] || 'default'
  abs_dir_path = (Pathname(File.dirname(__FILE__)) + 'templates' + from).expand_path
  raise "there is no directory #{abs_dir_path}" unless abs_dir_path.exist?
  
  user_template_dir = Pathname(ENV['HOME'] + '/.cutagem/templates/').expand_path
  if user_template_dir.exist?
    if ( user_template_dir + to ).exist?
      print "#{user_template_dir + to} is already exist. force link? [Yn] "
      answer = $stdin.gets.chomp
      if answer == 'n'
        raise "#{user_template_dir + to} is already exist."
      end
    end
  else
    user_template_dir.mkpath
  end
  sh "ln -sf #{abs_dir_path} #{user_template_dir + to}"
end