chore: Release version 3.6.0 — restore Ruby 2.6 support#17
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- Restore Ruby 2.6 support (stock macOS system Ruby): lower gemspec floor to >= 2.6 - Rewrite Ruby 3.0+ endless methods in lib/node.rb as classic def/end - Migrate test suite from test-unit to minitest (bundled with every Ruby 2.6+) - Add stdlib-only coverage gate (test/coverage.rb) enforcing 100% library coverage - CI: matrix Ruby 2.6/3.4/4.0 + RuboCop lint job; bump actions/checkout to v7 - Lower .rubocop.yml TargetRubyVersion to 2.6; set .ruby-version to 4.0.4 - Drop SimpleCov and test-unit dev dependencies - Update CHANGELOG, README compatibility/development notes, and gem install refs - Bump version to 3.6.0
- Ruby 2.6 cannot install a modern Bundler; the coverage harness needs no gems, so set bundler: none on the test job (fixes the 2.6 setup-ruby failure) - Pin CI RuboCop to the Gemfile.lock version so new upstream cops don't break the lint job
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Summary
Releases v3.6.0, which restores support for Ruby 2.6 (the stock Ruby shipped with macOS) so
git-status-treeruns out of the box without installing a newer Ruby. The runtime remains dependency-free (standard library only). This also overhauls the test/CI setup to keep the 2.6 floor honest.Compatibility
required_ruby_versionfrom>= 3.4to>= 2.6(additive — not breaking)lib/node.rbas classicdef/end(the only hard 2.6 syntax blocker).rubocop.ymlTargetRubyVersion→2.6(flags any syntax newer than the floor);.ruby-version→4.0.4Test & coverage (fully stdlib, no gem install)
test/coverage.rbgate using the stdlibcoverageextension — enforces 100% library coverage with zero gem dependenciesCI
.github/workflows/ci.yml: test matrix Ruby 2.6 / 3.4 / 4.0 runningruby test/coverage.rb, plus a separate RuboCop lint jobactions/checkout@v7Docs
Verification
ruby test/coverage.rbRuboCop (target 2.6): 29 files, no offenses.
gem buildproducesgit-status-tree-3.6.0.gemcleanly.Release
Version bumped to 3.6.0; CHANGELOG updated. Gem not pushed — maintainer will
gem build+gem push git-status-tree-3.6.0.gemafter merge.