git_diff_name_only_copy.rb

require 'date'
require 'fileutils'
include FileUtils 

data = DATA.read
root, *paths = data.split("\n")

puts root

today_dir = File.expand_path("~/Desktop/#{Date.today.to_s}/#{File.basename(root)}")
mkdir_p today_dir unless File.exist? today_dir

# paths =
paths.each { |e| mkdir_p "#{today_dir}/#{File.dirname(e)}" unless File.dirname(e) == "." }
paths.each { |e| cp_r "#{File.expand_path root}/#{e}", "#{today_dir}/#{e}" }


# 1行目に基準パス
# それ以降に git diff --name-only したリスト

__END__
/path/to/repo
lib/something/anything.rb
lib/something/version.rb