Class: Gem::Commands::SpecificInstallCommand

Inherits:
Gem::Command
  • Object
show all
Defined in:
lib/rubygems/commands/specific_install_command.rb

Direct Known Subclasses

GitInstallCommand

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SpecificInstallCommand

Returns a new instance of SpecificInstallCommand.



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# File 'lib/rubygems/commands/specific_install_command.rb', line 9

def initialize
  super 'specific_install', description

  add_option('-l', '--location LOCATION', arguments) do |location|
    options[:location] = location
  end

  add_option('-b', '--branch LOCATION', arguments) do |branch|
    options[:branch] = branch
  end

end

Instance Method Details

#arguments ⇒ Object 



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# File 'lib/rubygems/commands/specific_install_command.rb', line 22

def arguments
  "LOCATION like http://github.com/rdp/ruby_tutorials_core or git://github.com/rdp/ruby_tutorials_core.git or http://host/gem_name.gem"
  "BRANCH (optional) like beta, or new-feature"
end

#description ⇒ Object 



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# File 'lib/rubygems/commands/specific_install_command.rb', line 5

def description
  "Allows you to install an \"edge\" gem straight from its github repository or from a web site"
end

#execute ⇒ Object 



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# File 'lib/rubygems/commands/specific_install_command.rb', line 31

def execute
  require 'tempfile'
  require 'backports'
  require 'fileutils'
  require 'open-uri'
  unless options[:location]
    puts "No location received. Use `gem specific_install -l http://example.com/rdp/specific_install`"
    exit 1
  end
    # options are
    # http://github.com/githubsvnclone/rdoc.git
    # git://github.com/githubsvnclone/rdoc.git
    # [email protected]:rdp/install_from_git.git
    # http://github.com/rdp/install_from_git [later]
    # http://host/gem_name.gem
    # rdp/specific_install
  dir = Dir.mktmpdir
  begin
    loc = options[:location]
    case loc
    when /^http(.*)\.gem$/
      Dir.chdir dir do
        say "downloading #{loc}"
        gem_name = loc.split("/").last
        download(loc, gem_name)

        if install_gemspec
          success_message
        else
          puts "failed"
        end
      end
    when /\.git$/
     say 'git installing from ' + loc

     system("git clone #{loc} #{dir}")
     install_from_git(dir)
    when %r(.*/.*)
      puts "Installing from [email protected]:#{loc}.git"

      system("git clone [email protected]:#{loc}.git #{dir}")
      install_from_git(dir)
    else
      puts 'Error: must end with .git to be a git repository' +
      'or be in shorthand form: rdp/specific_install'
    end
  ensure
    FileUtils.rm_rf dir
  end

end

#usage ⇒ Object 



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# File 'lib/rubygems/commands/specific_install_command.rb', line 27

def usage
  "#{program_name} [LOCATION] [BRANCH]"
end