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https://github.com/rubygems/rubygems

Library packaging and distribution for Ruby.
https://github.com/rubygems/rubygems

package-manager ruby rubygems

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Library packaging and distribution for Ruby.

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# RubyGems [![Maintainability](https://api.codeclimate.com/v1/badges/30f913e9c2dd932132c1/maintainability)](https://codeclimate.com/github/rubygems/rubygems/maintainability)



RubyGems is a package management framework for Ruby.



A package (also known as a library) contains a set of functionality that can be invoked by a Ruby program, such as reading and parsing an XML file.

We call these packages "gems" and RubyGems is a tool to install, create, manage and load these packages in your Ruby environment.



RubyGems is also a client for [RubyGems.org](https://rubygems.org), a public repository of Gems that allows you to publish a Gem

that can be shared and used by other developers. See our guide on publishing a Gem at [guides.rubygems.org](https://guides.rubygems.org/publishing/)



## Getting Started



Installing and managing a Gem is done through the `gem` command. To install a Gem such as [Nokogiri](https://github.com/sparklemotion/nokogiri) which lets

you read and parse XML in Ruby:



    $ gem install nokogiri



RubyGems will download the Nokogiri Gem from RubyGems.org and install it into your Ruby environment.



Finally, inside your Ruby program, load the Nokogiri gem and start parsing your XML:



    require 'nokogiri'



    Nokogiri.XML('
Hello World
')



For more information about how to use RubyGems, see our RubyGems basics guide at [guides.rubygems.org](https://guides.rubygems.org/rubygems-basics/)



## Requirements



* RubyGems supports Ruby 3.0 or later.



## Installation



RubyGems is already installed in your Ruby environment, you can check the version you have installed by running `gem --version` in your terminal emulator.



In some cases Ruby & RubyGems may be provided as OS packages. This is not a

recommended way to use Ruby & RubyGems. It's better to use a Ruby Version

Manager, such as [rbenv](https://github.com/rbenv/rbenv) or

[chruby](https://github.com/postmodern/chruby). If you still want to use the

version provided by your OS package manager, please also use your OS package

manager to upgrade rubygems, and disregard any other installation instructions

given below.



If you would like to manually install RubyGems:



* Download from https://rubygems.org/pages/download, unpack, and `cd` into RubyGems' src

* OR clone this repository and `cd` into the repository



Install RubyGems by running:



    $ ruby setup.rb



For more details and other options, see:



    $ ruby setup.rb --help



## Upgrading RubyGems



To upgrade to the latest RubyGems, run:



    $ gem update --system



See [UPGRADING](UPGRADING.md) for more details and alternative instructions.



## Release policy



RubyGems and Bundler are released in sync, although they do not share their

major version number. It is planned that also their major version numbers will

be sync'ed in the future.



The release policy is somewhat similar to the release policy of Ruby itself:



* Frequent patch releases (every 2-4 weeks) including bug fixes, minor

  enhancements, small features, or even medium sized features declared as

  experimental for battle testing.

* Yearly minor releases including bigger features, and minor breaking changes

  (affecting only edge cases and a very small set of users).

* Occasional major releases (replacing yearly minors) including major breaking

  changes.



## Documentation



RubyGems uses [rdoc](https://github.com/rdoc/rdoc) for documentation. A compiled set of the docs

can be viewed online at [rubydoc](https://www.rubydoc.info/github/rubygems/rubygems).



RubyGems also provides a comprehensive set of guides which covers numerous topics such as

creating a new gem, security practices and other resources at https://guides.rubygems.org



## Getting Help



### Filing Tickets



Got a bug and you're not sure?  You're sure you have a bug, but don't know

what to do next?  In any case, let us know about it!  The best place

for letting the RubyGems team know about bugs or problems you're having is

[on the RubyGems issues page at GitHub](https://github.com/rubygems/rubygems/issues).



### Bundler Compatibility



See https://bundler.io/compatibility for known issues.



### Supporting



RubyGems is managed by [Ruby Central](https://rubycentral.org), a non-profit organization that supports the Ruby community through projects like this one, as well as [RubyConf](https://rubyconf.org), [RailsConf](https://railsconf.org), and [RubyGems.org](https://rubygems.org). You can support Ruby Central by attending or [sponsoring]([email protected]) a conference, or by [joining as a supporting member](https://rubycentral.org/#/portal/signup).



### Contributing



If you'd like to contribute to RubyGems, that's awesome, and we <3 you. Check out our [guide to contributing](CONTRIBUTING.md) for more information.



### Code of Conduct



Everyone interacting in the RubyGems project’s codebases, issue trackers, chat rooms, and mailing lists is expected to follow the [contributor code of conduct](https://github.com/rubygems/rubygems/blob/master/CODE_OF_CONDUCT.md).