class Jeweler::Commands::Version::Base

def self.build_for(jeweler)
  command = new
  command.repo = jeweler.repo
  command.version_helper = jeweler.version_helper
  command.gemspec = jeweler.gemspec
  command.commit = jeweler.commit
  command
end

def commit_version
  if self.repo
    self.repo.add('VERSION.yml')
    self.repo.commit("Version bump to #{self.version_helper.to_s}", 'VERSION.yml')
  end
end

def run
  update_version
  self.version_helper.write
  self.gemspec.version = self.version_helper.to_s
  commit_version if self.repo && self.commit
end

def update_version
  raise "Subclasses should implement this"
end