Sync with upstream v302

CHANGELOG.md

@@ -3,6 +3,20 @@
 ## [Unreleased]
 
 
+## [v302] - 2025-04-16
+
+- Ruby 3.3.8 is now available
+
+
+## [v301] - 2025-04-14
+
+- Observe `.ruby-version` formats (https://github.com/heroku/heroku-buildpack-ruby/pull/1576)
+
+## [v300] - 2025-04-14
+
+- Ruby 3.4.3 is now available
+
+
 ## [v299] - 2025-04-07
 
 
@@ -1661,7 +1675,10 @@ Bugfixes:
 * Change gem detection to use lockfile parser
 * use `$RACK_ENV` when thin is detected for rack apps
 
-[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v299...main
+[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v302...main
+[v302]: https://github.com/heroku/heroku-buildpack-ruby/compare/v301...v302
+[v301]: https://github.com/heroku/heroku-buildpack-ruby/compare/v300...v301
+[v300]: https://github.com/heroku/heroku-buildpack-ruby/compare/v299...v300
 [v299]: https://github.com/heroku/heroku-buildpack-ruby/compare/v298...v299
 [v298]: https://github.com/heroku/heroku-buildpack-ruby/compare/v297...v298
 [v297]: https://github.com/heroku/heroku-buildpack-ruby/compare/v296...v297

Gemfile.lock

@@ -34,6 +34,7 @@ GEM
       heroics (~> 0.1.1)
       moneta (~> 1.0.0)
       rate_throttle_client (~> 0.1.0)
+    racc (1.8.1)
     rake (13.2.1)
     rate_throttle_client (0.1.2)
     redis (5.3.0)
@@ -51,8 +52,9 @@ GEM
     rspec-support (3.13.1)
     thor (1.3.1)
     threaded (0.0.4)
-    toml-rb (2.2.0)
+    toml-rb (4.0.0)
       citrus (~> 3.0, > 3.0)
+      racc (~> 1.7)
     webrick (1.8.2)
 
 PLATFORMS

lib/language_pack/helpers/bundler_wrapper.rb

@@ -112,19 +112,25 @@ def initialize(options = {})
 
     contents = @gemfile_lock_path.read(mode: "rt")
     bundled_with = contents.match(BUNDLED_WITH_REGEX)
+    dot_ruby_version_file = @gemfile_lock_path.join("..").join(".ruby-version")
     @report.capture(
-      "bundled_with" => bundled_with&.[]("version") || "empty"
+      "bundler.bundled_with" => bundled_with&.[]("version") || "empty",
+      # We use this bundler class to detect the Requested ruby version from the Gemfile.lock
+      # Rails 8 stopped generating `RUBY VERSION` in the Gemfile.lock and started generating
+      # a `.ruby-version` file. This will observe the formats to help guide implementation
+      # decisions
+      "ruby.dot_ruby_version" => dot_ruby_version_file.exist? ? dot_ruby_version_file.read&.strip : nil
     )
     @version = self.class.detect_bundler_version(
       contents: contents,
       bundled_with: bundled_with
     )
     parts = @version.split(".")
     @report.capture(
-      "bundler_version_installed" => @version,
-      "bundler_major" => parts&.shift,
-      "bundler_minor" => parts&.shift,
-      "bundler_patch" => parts&.shift
+      "bundler.version_installed" => @version,
+      "bundler.major" => parts&.shift,
+      "bundler.minor" => parts&.shift,
+      "bundler.patch" => parts&.shift
     )
     @dir_name = "bundler-#{@version}"
 

lib/language_pack/ruby.rb

@@ -69,7 +69,6 @@ def best_practice_warnings
     #   warn(<<-WARNING)
 # You are using the `asset_sync` gem.
 # This is not recommended.
-# See https://devcenter.heroku.com/articles/please-do-not-use-asset-sync for more information.
 # WARNING
     # end
   end
@@ -99,8 +98,8 @@ def compile
       run_assets_precompile_rake_task
     end
     @report.capture(
-      "railties_version" => bundler.gem_version('railties'),
-      "rack_version" => bundler.gem_version('rack')
+      "gem.railties_version" => bundler.gem_version('railties'),
+      "gem.rack_version" => bundler.gem_version('rack')
     )
     config_detect
     best_practice_warnings
@@ -1225,7 +1224,6 @@ def valid_bundler_cache?(path, metadata)
         )
       return [false, <<-MESSAGE]
 Need to recompile gems for CVE-2014-2014-9130. Clearing bundler cache.
-See https://devcenter.heroku.com/changelog-items/1016.
 MESSAGE
     end
 
@@ -1313,7 +1311,6 @@ def load_bundler_cache
           bundler.has_gem?("psych")
         )
       puts "Need to recompile gems for CVE-2014-2014-9130. Clearing bundler cache."
-      puts "See https://devcenter.heroku.com/changelog-items/1016."
       purge_bundler_cache
     end
 

lib/language_pack/version.rb

@@ -2,6 +2,6 @@
 
 module LanguagePack
   class LanguagePack::Base
-    BUILDPACK_VERSION = "v299"
+    BUILDPACK_VERSION = "v302"
   end
 end