Lesson plan
Ruby Version Manager
Ruby Version Manager, often abbreviated as RVM, is a software platform for Unix-like operating systems designed to manage multiple installations of Ruby on the same device. The entire Ruby environment including the Ruby interpreter, installed RubyGems (gems), and documentation is partitioned. A developer can then switch between the different versions to work on several projects with different version requirements. In addition to MRI, the standard Ruby interpreter, RVM functions as an installer for various other implementations of Ruby. These include JRuby, mruby, MacRuby, IronRuby, Maglev, Rubinius, Ruby Enterprise Edition, Topaz, and GoRuby (an interpreter optimized for code golf). In addition, RVM supports the installation of patched versions of MRI. RVM provides features for organization of Ruby gems through "gemsets", collections of gems separated by a namespace and associated Ruby installation. Gemsets can be associated with directories/projects through the use of the RVM-exclusive .rvmrc file. An alternative to using the .rvmrc file (and the general purpose although user-specific .jrubyrc ) and its format is use of the .ruby-version and .ruby-gemset files, which are compatible with other ruby version managers, such as RBenv and chruby. Additionally, using .rvmrc requires trusting to prevent execution of unauthorized code, while .ruby-version does not.
Article summary
Ruby Version Manager, often abbreviated as RVM, is a software platform for Unix-like operating systems designed to manage multiple installations of Ruby on the same device. The entire Ruby environment including the Ruby interpreter, installed RubyGems (gems), and documentation is partitioned. A developer can then switch between the different versions to work on several projects with different version requirements. In addition to MRI, the standard Ruby interpreter, RVM functions as an installer for various other implementations of Ruby. These include JRuby, mruby, MacRuby, IronRuby, Maglev, Rubinius, Ruby Enterprise Edition, Topaz, and GoRuby (an interpreter optimized for code golf). In addition, RVM supports the installation of patched versions of MRI. RVM provides features for organization of Ruby gems through "gemsets", collections of gems separated by a namespace and associated Ruby installation. Gemsets can be associated with directories/projects through the use of the RVM-exclusive .rvmrc file. An alternative to using the .rvmrc file (and the general purpose although user-specific .jrubyrc ) and its format is use of the .ruby-version and .ruby-gemset files, which are compatible with other ruby version managers, such as RBenv and chruby. Additionally, using .rvmrc requires trusting to prevent execution of unauthorized code, while .ruby-version does not.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.