Rubygems

As with most programming languages, Ruby leverages a wide set of third-party libraries. Nearly all of these libraries are released in the form of a gemrubygems, a packaged library or application that can be installed with a tool called RubyGems, rubygems. RubyGems is a Ruby packaging system designed to facilitate the creation, sharing and installation of libraries rubygems some ways, it rubygems a distribution packaging system similar to, rubygems, say, apt-getbut targeted at Ruby software.

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. See our guide on publishing a Gem at guides. Installing and managing a Gem is done through the gem command.

Rubygems

RubyGems is a package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and libraries in a self-contained format called a "gem" , a tool designed to easily manage the installation of gems, and a server for distributing them. The interface for RubyGems is a command-line tool called gem which can install and manage libraries the gems. Though it is possible to use a private RubyGems repository , the public repository is most commonly used for gem management. The public repository helps users find gems, resolve dependencies and install them. RubyGems is bundled with the standard Ruby package as of Ruby 1. Also, RubyGems development was moved to GitHub in Though RubyGems has existed since Ruby 1. Previously, compatibility with RubyGems and Ruby varied. Many versions of RubyGems are almost fully incompatible with many versions of Ruby and some versions had key features unusable. For example, Ruby 1. This meant that updating RubyGems on Ruby 1. This is reflected in there being 38 releases from to and releases from to Every gem contains a name, version and platform. Gems work only on ruby designed for a particular platform based on CPU architecture and operating-system type and version.

If you're having rubygems figuring out what's going on in Bundler, rubygems, the answer is usually "bundle exec". Latest commit. Browsing installed gems is done with gem list.

Ruby , RubyGems and Bundler can be a bit of an intertwined mess -- it can be hard to tell what magic incantation will tell you what went wrong and how to fix it. The secret is that they're three separate layers. Ruby was originally designed without RubyGems. RubyGems is a separate layer on top with a few seams where it was designed to be detached. Bundler was created for Rails 3. In other words, it makes sense to learn them separately even if you'll only use them together. Otherwise, how can you tell what's wrong with what library?

This guide discusses the various ways that you can share your gem with the world. Installing a gem directly from a git repository is a feature of Bundler, not a feature of RubyGems. Gems installed this way will not show up when you run gem list. You can set up your own gem server or use a commercial service such as Gemfury. RubyGems 2. If you are publishing private gems you should set this value to prevent accidental pushes to rubygems. See the Resources guide for an up-to-date listing of options for private gem servers. The simplest way to distribute a gem for public consumption is to use RubyGems. Gems that are published to RubyGems.

Rubygems

The Specification class contains the information for a gem. Typically defined in a. Starting in RubyGems 2.

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In any case, let us know about it! May 27, You can support Ruby Central by attending or sponsoring a conference, or by joining as a supporting member. Release policy. Bundler was created for Rails 3. User Groups : Get in contact with Rubyists in your area. If you have a list of all the gems you can use, it makes sense to just let you install them. Participate in a friendly and growing community. That would be awesome. Installing and managing a Gem is done through the gem command. Sponsor this project. It doesn't do as much fancy stuff as you might think. If you ask for a new one, it will load it. Filing Tickets. But it's still pretty weird.

What each gem command does, and how to use it. The cert command manages signing keys and certificates for creating signed gems.

Similarly, it has a Gemfile. Notifications Fork 1. Latest commit History 28, Commits. You may browse and search for gems using the RubyGems website, or use the gem command. Some other libraries are released as archived. Searching among available gems The search command can be used to look for gems, based on a string. You can tell you're using Bundler when you're messing with the Gemfile and Gemfile. But they're basically a run-on-install shell script to build files. I mean, unless you stick ". You're sure you have a bug, but don't know what to do next?