v3.0.6

3.0.6 - 2026-02-17

• TAG: v3.0.6
• COVERAGE: 88.34% -- 727/823 lines in 27 files
• BRANCH COVERAGE: 76.05% -- 127/167 branches in 27 files
• 43.11% documented

Added

• Test for bundler handling with pre-existing appraisal lockfiles
  • Added acceptance test that verifies appraisal correctly handles gemfiles/*.gemfile.lock files with BUNDLED WITH specified
  • Test validates that:
    • Appraisal gemfiles with pre-created lockfiles install correctly
    • Lockfiles preserve the BUNDLED WITH section reporting which bundler version was used
    • The bundler version in the lockfile is correctly maintained during installation
  • Note: Multi-version bundler switching in CI would require pre-installing multiple bundler versions; coverage is limited to lockfile preservation and environment handling.

Fixed

• Restore bundler's automatic version switching for modern bundler versions (2.2+)
  • Bundler can detect and switch to the version specified in Gemfile.lock (or appraisal lockfiles) via BUNDLED WITH
  • Previously, with_original_env stripped all bundler-related variables, preventing bundler from detecting version mismatches and breaking test isolation
  • Now uses with_bundler_env with selective cleanup:
    • Starts from Bundler.original_env when available
    • Preserves critical bundler and isolation variables (for example: BUNDLE_GEMFILE, BUNDLE_APP_CONFIG, BUNDLE_PATH, BUNDLE_USER_CACHE)
    • Removes BUNDLER_SETUP and BUNDLER_VERSION activation markers
    • Removes bundler/setup from RUBYOPT to prevent auto-activation in subprocesses
    • Prevents BUNDLE_LOCKFILE lockfile pollution of subprocesses so per-gemfile lockfiles are created correctly
  • This approach:
    • Lets subprocess bundler start fresh and process the target gemfile cleanly
    • Preserves test isolation and prevents global config pollution
    • Enables committing appraisal lockfiles with specific bundler versions for stable, repeatable builds
  • This fix maintains backward compatibility with all bundler versions

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