class Jeweler::Commands::ReleaseToGit

def self.build_for(jeweler)
  command = new
  command.base_dir = jeweler.base_dir
  command.gemspec = jeweler.gemspec
  command.version = jeweler.version
  command.repo = jeweler.repo
  command.output = jeweler.output
  command.gemspec_helper = jeweler.gemspec_helper
  command
end

def clean_staging_area?
  `git ls-files --deleted --modified --others --exclude-standard` == ''
end

def initialize(attributes = {})
  self.output = $stdout
  attributes.each_pair do |key, value|
    send("#{key}=", value)
  end
end

def release_not_tagged?
  tag = begin
          repo.tag(release_tag)
        rescue
          nil
        end
  tag.nil?
end

def release_tag
  "v#{version}"
end

def run(args = {})
  remote = args[:remote] || 'origin'
  branch = args[:branch] || 'master'
  local_branch = args[:local_branch] || branch
  remote_branch = args[:remote_branch] || branch
  unless clean_staging_area?
    system 'git status'
    raise 'Unclean staging area! Be sure to commit or .gitignore everything first. See `git status` above.'
  end
  repo.checkout(local_branch)
  repo.push(remote, "#{local_branch}:#{remote_branch}")
  if release_not_tagged?
    output.puts "Tagging #{release_tag}"
    repo.add_tag(release_tag)
    output.puts "Pushing #{release_tag} to #{remote}"
    repo.push(remote, release_tag)
  end
end