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asdf-vm / asdf

Extendable version manager with support for Ruby, Node.js, Elixir, Erlang & more

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Repository Summary (README)

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asdf

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Manage multiple runtime versions with a single CLI tool, extendable via plugins - docs at asdf-vm.com

asdf is a CLI tool that can manage multiple language runtime versions on a per-project basis. It is like gvm, nvm, rbenv & pyenv (and more) all in one! Simply install your language's plugin!

Why use asdf?

  • single CLI for multiple languages
  • consistent commands to manage all your languages
  • single global config keeping defaults in one place
  • single .tool-versions config file per project
  • support for existing config files .node-version, .nvmrc, .ruby-version for easy migration
  • automatically switches runtime versions as you traverse your directories
  • simple plugin system to add support for your language of choice
  • shell completion available for common shells (Bash, Zsh, Fish, Elvish)

Documentation

Please head over to the documentation site for more information!

Contributing

See CONTRIBUTING.md in the repo or the Contributing section on the docs site.

Community & Questions

  • FAQ
  • GitHub Issues GitHub Issues: report a bug or raise a feature request to the asdf core team
  • StackOverflow Tag StackOverflow Tag: see existing Q&A for asdf. Some of the core team watch this tag in addition to our helpful community

Ballad of asdf

Once upon a time there was a programming language<br/> There were many versions of it<br/> So people wrote a version manager for it<br/> To switch between versions for projects<br/> Different, old, new.

Then there came more programming languages<br/> So there came more version managers<br/> And many commands for them

I installed a lot of them<br/> I learnt a lot of commands

Then I said, just one more version manager<br/> Which I will write instead

So, there came another version manager<br/> asdf version manager - https://github.com/asdf-vm/asdf

A version manager so extendable<br/> for which anyone can create a plugin<br/> To support their favourite language<br/> No more installing more version managers<br/> Or learning more commands

<figure> <blockquote> This was the mail I wrote to a few friends to tell them about the project. Thanks to <a href="https://twitter.com/roshanvid" target="_blank" rel="noreferrer">@roshanvid</a> for suggesting that this go into the readme </blockquote> <figcaption> <a href="https://github.com/HashNuke" target="_blank" rel="noreferrer">@HashNuke</a> </figcaption> </figure>