GemInstaller 0.4.2

GemInstaller is a Ruby script that provides automated management of RubyGems.

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MIT/X Consortium License 
3.5/5 20
Chad Woolley
ROOT \ System \ Installer/Setup
GemInstaller is a Ruby script that provides automated management of RubyGems.

GemInstaller provides automated installation, loading and activation of RubyGems. It uses a simple YAML config file to:

Automatically install the correct versions of all required gems wherever your app runs.
Automatically ensure installed gems and versions are consistent across multiple applications, machines, platforms, and environments
Automatically activate correct versions of gems on the ruby load path when your app runs ('require_gem'/'gem')
Automatically reinstall missing dependency gems (built in to RubyGems > 1.0)
Automatically detect correct platform to install for multi-platform gems (built in to RubyGems > 1.0)
Print YAML for "rogue gems" which are not specified in the current config, to easily bootstrap your config file, or find gems that were manually installed without GemInstaller.
Allow for common configs to be reused across projects or environments by supporting multiple config files, including common config file snippets, and defaults with overrides.
Allow for dynamic selection of gems, versions, and platforms to be used based on environment vars or any other logic.
Avoid the "works on demo, breaks on production" syndrome.

GemInstaller can be used from the command line, or embedded to run automatically on startup for a Rails app or any other Ruby program.

About Ruby:

Ruby is a dynamic, reflective, general purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features. Ruby originated in Japan during the mid-1990s and was initially developed and designed by Yukihiro "Matz" Matsumoto.

Ruby supports multiple programming paradigms (including functional, object oriented and imperative), and features a dynamic type system and automatic memory management; it is therefore similar in varying respects to Python, Perl, Lisp, Dylan, and CLU.

In its current, official implementation, written in C, Ruby is a single-pass interpreted language. As there is currently no specification of the Ruby language, this implementation is considered the de facto reference. As of 2008, there are a number of alternative implementations of the Ruby language, including Rubinius, JRuby, YARV, and IronRuby, each of which takes a different approach, with JRuby providing just-in-time compilation functionality.

The language was created by Yukihiro Matsumoto, who started working on Ruby on February 24, 1993, and released it to the public in 1995. "Ruby" was named as a gemstone because of a joke within Matsumoto's circle of friends alluding to the name of the Perl programming language.

As of December 2007, the latest stable version of the reference implementation is 1.8.6. Apart from the reference, several other virtual machines are being developed for Ruby. These include JRuby, a port of Ruby to the Java platform, IronRuby, an implementation for the .NET Framework produced by Microsoft, and Rubinius, an interpreter modeled after self-hosting Smalltalk virtual machines.



What's New in This Release:

Re-release of 0.4.2 gem which has been packaged with released version of RubyGems 1.2.0.
Prior release was packaged with a buggy pre-release version of RubyGems 1.2.0, which caused the original GemInstaller 0.4.2 gem to cause problems with people doing gem updates.

Last updated on June 25th, 2008

#ruby gem #Gem installer #ruby script #Ruby #script #gem #installer

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