asdf-vm/asdf-ruby

Share gems between Ruby minor versions

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#119 opened on May 29, 2019

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enhancementhelp wanted

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Description

There's a nice plugin rbenv-communal-gems for rbenv to share the gem directories for minor versions, so e.g. all 2.6.x Rubies use the same gempath,2.5.x Rubies use another one, etc.

This is the standard approach used by Ruby itself, so this shouldn't cause any breakage and can save lots of space and headaches :)

It works by symlinking the gems folder inside the different Rubies:

$ ls -l ~/.rbenv/gems/
total 12
drwxr-xr-x 9 toupeira toupeira 4096 Mai 27 17:41 2.4.0
drwxr-xr-x 9 toupeira toupeira 4096 Mai 28 09:11 2.5.0
drwxr-xr-x 9 toupeira toupeira 4096 Mai 28 15:09 2.6.0
$ ls -l ~/.rbenv/versions/2.6.3/lib/ruby/gems
lrwxrwxrwx 1 toupeira toupeira 16 Mai 18 05:51 /home/toupeira/.rbenv/versions/2.6.3/lib/ruby/gems -> ../../../../gems

Contributor guide

Research direction
Implement symlinking of the gems directory for Ruby minor versions in the asdf ruby plugin, similar to rbenv communal gems. Ensure compatibility with asdf's directory structure.
Tech stack
shellruby
Domain
devopscli
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
RubyShellGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75