77 lines
2.7 KiB
Ruby
77 lines
2.7 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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module Utils
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# Helper function for finding autoremovable formulae.
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#
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# @private
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module Autoremove
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class << self
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# An array of {Formula} without {Formula} or {Cask}
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# dependents that weren't installed on request and without
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# build dependencies for {Formula} installed from source.
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# @private
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sig { params(formulae: T::Array[Formula], casks: T::Array[Cask::Cask]).returns(T::Array[Formula]) }
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def removable_formulae(formulae, casks)
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unused_formulae = unused_formulae_with_no_formula_dependents(formulae)
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unused_formulae - formulae_with_cask_dependents(casks)
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end
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private
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# An array of all installed {Formula} with {Cask} dependents.
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# @private
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sig { params(casks: T::Array[Cask::Cask]).returns(T::Array[Formula]) }
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def formulae_with_cask_dependents(casks)
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casks.flat_map { |cask| cask.depends_on[:formula] }
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.compact
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.map { |f| Formula[f] }
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.flat_map { |f| [f, *f.runtime_formula_dependencies].compact }
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end
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# An array of all installed bottled {Formula} without runtime {Formula}
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# dependents for bottles and without build {Formula} dependents
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# for those built from source.
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# @private
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sig { params(formulae: T::Array[Formula]).returns(T::Array[Formula]) }
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def bottled_formulae_with_no_formula_dependents(formulae)
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formulae_to_keep = T.let([], T::Array[Formula])
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formulae.each do |formula|
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formulae_to_keep += formula.runtime_formula_dependencies
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if (tab = formula.any_installed_keg&.tab)
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# Ignore build dependencies when the formula is a bottle
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next if tab.poured_from_bottle
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# Keep the formula if it was built from source
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formulae_to_keep << formula
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end
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formula.deps.select(&:build?).each do |dep|
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formulae_to_keep << dep.to_formula
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rescue FormulaUnavailableError
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# do nothing
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end
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end
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formulae - formulae_to_keep
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end
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# Recursive function that returns an array of {Formula} without
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# {Formula} dependents that weren't installed on request.
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# @private
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sig { params(formulae: T::Array[Formula]).returns(T::Array[Formula]) }
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def unused_formulae_with_no_formula_dependents(formulae)
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unused_formulae = bottled_formulae_with_no_formula_dependents(formulae).select do |f|
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f.any_installed_keg&.tab&.installed_on_request == false
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end
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unless unused_formulae.empty?
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unused_formulae += unused_formulae_with_no_formula_dependents(formulae - unused_formulae)
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end
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unused_formulae
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end
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end
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end
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end
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