Replace Molinillo with PubGrub for dependency resolution#9402

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mlarraz wants to merge 26 commits into

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mlarraz:replace-molinillo-with-pubgrub

Commits on Apr 12, 2026

Replace Molinillo with PubGrub for dependency resolution

authored and
colby-swandale
committed
Fix lockfile requirement preservation and orphaned deps test

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colby-swandale
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Update vendoring tooling for PubGrub migration

authored and
colby-swandale
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Extend catching Gem::DependencyResolutionError error to exec command
colby-swandale
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Simplify DependencyResolutionError by removing PubGrubFailure wrapper
colby-swandale
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find_all_gems test coverage
colby-swandale
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Remove dead Molinillo-era error classes and simplify DependencyResolutionError
colby-swandale
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Rename orphaned deps test to reflect PubGrub backtracking behavior
colby-swandale
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Fix prerelease version inconsistency between all_versions_for and versions_for
colby-swandale
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Remove unreachable spec_for string fallback
colby-swandale
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Remove dead resolver methods
colby-swandale
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Define custom PubGrub Root Package to customise error
colby-swandale
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Add extended explanations for platform and Ruby version hints
colby-swandale
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Add custom inline explanation when gems are filtered from resolution
colby-swandale
committed

Commits on Apr 13, 2026