[ruby] Set ruby version sub-dir (#10)

Author: juharris

.github/workflows/cross-build.yml

@@ -88,8 +88,7 @@ jobs:
         # If we want to go back to specific supported versions, we can use the following:
         ruby-versions: ${{ join(fromJSON(needs.ci-data.outputs.result).stable-ruby-versions, ',') }}
         # Tried doing this, but it said ">= 3.0, < 3.1.dev" on rubygems.
-        # Maybe try ">=3.0, < 4" or something like that?
-        # ruby-versions: ">=3.0"
+        # Tried ">=3.0, < 4", but RubyGems said: ">= 3.0, < 3.1.dev"
         working-directory: ./ruby/optify
 
     - name: "[Ruby] Publish"

ruby/optify/lib/optify.rb

@@ -8,6 +8,19 @@
 # This yields some warnings, but we should redeclare the methods in Ruby to help with type checking anyway.
 # Warnings about redefining methods are normal and can be ignored
 # because the implementations in Ruby are not implemented and only exist to help with type checking.
-require_relative 'optify_ruby/optify_ruby'
+# Ideally we do:
+# `require_relative 'optify_ruby/optify_ruby'`
+# but that doesn't work when building for multiple versions of Ruby.
+# So we have to do this which is similar to something from 'https://github.com/matsadler/halton-rb/blob/main/lib/halton.rb'.
+begin
+  ruby_version = T.must(RUBY_VERSION.match(/\d+\.\d+/))[0]
+  require_relative "optify_ruby/#{ruby_version}/optify_ruby"
+rescue LoadError
+  begin
+    require_relative 'optify_ruby/optify_ruby'
+  rescue LoadError # Cargo Builder in RubyGems < 3.4.6 doesn't install to dir
+    require_relative 'optify_ruby.so'
+  end
+end
 
 require_relative 'optify_ruby/base_config'

ruby/optify/optify.gemspec

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-VERSION = '0.4.2'
+VERSION = '0.4.4'
 
 Gem::Specification.new do |spec|
   spec.name = 'optify-config'