Updating version for bundler for 2.X.X #1099
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Regenerated Gemfile.lock files with bundler 2.7.2 to fix compatibility issues. Updated fixtures: - specified_ruby_version: 2.4.1 -> 2.7.2 - relative_gemspec_path: 2.4.1 -> 2.7.2 - rails7: 2.4.19 -> 2.7.2 - ruby_calls_go: 2.6.2 -> 2.7.2
Bundler 2.7+ philosophy: 'Bundler itself does not use binstubs because its version is selected by RubyGems' The regenerateBundlerBinStub() function was added in 2017 (commit fe6e899) to work around bundler 1.16.0 incompatibility with Rails-generated binstubs. This workaround is no longer necessary because: 1. The original Rails binstub bug was fixed years ago 2. Bundler 2.7+ explicitly refuses to create its own binstub by design 3. The buildpack doesn't use deps/0/bin/bundle anyway - it uses the system bundle command from deps/0/bundler (configured via GEM_PATH) 4. Modern bundler philosophy is to use the system bundle, not a binstub Changes: - Removed regenerateBundlerBinStub() function - Removed call to regenerateBundlerBinStub() from InstallGems() - Removed related unit tests (setupBundlerBin, itRegeneratesBundleBinstub) - All 76 unit tests pass This aligns the buildpack with bundler 2.7+ architectural decisions.
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