class Jeweler::Commands::ReleaseToGit

def self.build_for(jeweler)
  command = self.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 = repo.tag(release_tag) rescue nil
  tag.nil?
end

def release_tag
  "v#{version}"
end

def run
  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('master')
  repo.push
  
  if release_not_tagged?
    output.puts "Tagging #{release_tag}"
    repo.add_tag(release_tag)
    output.puts "Pushing #{release_tag} to origin"
    repo.push('origin', release_tag)
  end
end