Parse subversion last-changed-date timestamp

svn_timestamp.rb

require 'time'

def last_changed_date
  return @last_changed_date if @last_changed_date
  timestamp = `svn info --show-item last-changed-date --no-newline`
  # timestamp = "2017-02-27T13:18:11.822530Z"
  @last_changed_date = DateTime.strptime(timestamp, '%Y-%m-%dT%H:%M:%S.%L').to_time
end

puts last_changed_date.inspect
puts last_changed_date.to_i.inspect