Class: Gem::Commands::ForkCommand

Inherits:
Gem::Command
  • Object
show all
Includes:
GemGit::Helper
Defined in:
lib/rubygems/commands/fork_command.rb

Instance Method Summary collapse

Methods included from GemGit::Helper

#git, #github_clone_url, #github_info_for, #github_token, #github_user, #repository_url_for

Constructor Details

#initialize ⇒ ForkCommand

Returns a new instance of ForkCommand.



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# File 'lib/rubygems/commands/fork_command.rb', line 4

def initialize
  super 'fork', "Makes it easy to fork a gem's source repository for patching and enhancement."
end

Instance Method Details

#description ⇒ Object

:nodoc:



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# File 'lib/rubygems/commands/fork_command.rb', line 8

def description # :nodoc:
  "Makes it easy to fork a gem's source repository for patching and enhancement."
end

#execute ⇒ Object 



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# File 'lib/rubygems/commands/fork_command.rb', line 12

def execute
  gem_name = get_one_optional_argument
  
  begin
    username, repository = github_info_for(gem_name)
  
    puts "Forking #{gem_name} from https://github.com/#{username}/#{repository}..."    
    response = Net::HTTP.post_form(URI("http://github.com/api/v2/json/repos/fork/#{username}/#{repository}"), 'login' => github_user, 'token' => github_token)
    
    response_code = response.code.to_i
    if response_code >= 400
      puts "Oops, seems there was an error (code #{response_code})."
      
      interpret_error(response_code)
    else
      puts "Repository forked, now cloning..."
      
      git("clone", "[email protected]:#{github_user}/#{repository}.git")
    end
  rescue NotOnGithubError
    puts "Sorry, this gem isn't hosted on Github.  You can always use `gem clone` and then push it to Github."
  rescue NoGithubCredentialsError
    puts "You don't have your username and token set in the global git config (run `git config --get github.user` to see what I mean)."
    puts "Please set those configuration values and try again."
  end
  
  super
end

#interpret_error(code) ⇒ Object 



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# File 'lib/rubygems/commands/fork_command.rb', line 41

def interpret_error(code)
  case code
  when 400
    puts "There was something wrong with the request it seems.  Please try again or file a bug with me on Github."
  when 404
    puts "Looks like the repository doesn't exist or was moved.  Check the URL in the RubyGems information."
  when 401
    puts "Sorry, looks like you don't have access to that repos or your credentials stored in the global git config are bad."
  when 500, 503
    puts "Github must be having some issues; try it again later?"
  else
    puts "Well I'm not sure what happened.  Give it another shot, and maybe it'll be fixed."
  end
end