Require commonmarker explicitly for host apps#39
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HamptonMakes merged 1 commit intomainfrom Mar 3, 2026
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Amp-Thread-ID: https://ampcode.com/threads/T-019cb57a-6162-7186-9a4e-af379566b942 Co-authored-by: Amp <amp@ampcode.com>
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Host apps that mount the coplan engine via
gem 'coplan', github: 'block/coplan', glob: 'engine/*.gemspec'get commonmarker installed (it's in the gemspec) but not auto-required —Bundler.requireonly requires gems listed directly in the host's Gemfile, not transitive dependencies.The standalone coplan app masked this because it lists
gem 'commonmarker'directly in its Gemfile. Host apps like coplan-square hitNameError: uninitialized constant CoPlan::MarkdownHelper::Commonmarkeron any page that renders markdown.Fix: require commonmarker in
lib/coplan.rbso the engine loads its own dependency.