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Feature #14217

Expose RUBY_PATCHLEVEL_STR or similar with patch level info for rc/preview as a constant

Added by shayonj (Shayon Mukherjee) about 3 years ago. Updated almost 3 years ago.

Status:
Open
Priority:
Normal
Assignee:
-
Target version:
-
[ruby-core:84393]

Description

Problem

When ruby is in release candidate or preview, RUBY_PATCHLEVEL is -1. Without parsing RUBY_DESCRIPTION, its hard to tell using constant the right and absolute ruby version.

Proposal

Expose RUBY_PATCHLEVEL_STR as a constant, just like RUBY_VERSION or RUBY_PATCHLEVEL. So that, we can know the right ruby version, especially when its in preview or release candidate. This is also helpful when using gems that rely on RUBY_PATCHLEVEL and RUBY_VERSION to serve the right experience. Example: Bundler, which validates gem installation by making sure right ruby is installed. Currently, we cannot install gems using 2.5.0preview1.

Your Ruby version is 2.5.0, but your Gemfile specified 2.5.0preview1

This can be handled in bundler through some different wokraround, but I think by exposing RUBY_PATCHLEVEL_STR, it will be helpful in building the appropriate solutions.

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