105 lines
3.4 KiB
Ruby
105 lines
3.4 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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require "os/linux/glibc"
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module OS
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module Linux
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module DependencyCollector
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sig { params(related_formula_names: T::Set[String]).returns(T.nilable(Dependency)) }
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def gcc_dep_if_needed(related_formula_names)
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# gcc is required for libgcc_s.so.1 if glibc or gcc are too old
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return unless ::DevelopmentTools.needs_build_formulae?
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return if building_global_dep_tree?
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return if related_formula_names.include?(GCC)
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return if global_dep_tree[GCC]&.intersect?(related_formula_names)
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return unless formula_for(GCC)
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Dependency.new(GCC, [:implicit])
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end
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sig { params(related_formula_names: T::Set[String]).returns(T.nilable(Dependency)) }
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def glibc_dep_if_needed(related_formula_names)
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return unless ::DevelopmentTools.needs_libc_formula?
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return if building_global_dep_tree?
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return if related_formula_names.include?(GLIBC)
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return if global_dep_tree[GLIBC]&.intersect?(related_formula_names)
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return unless formula_for(GLIBC)
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Dependency.new(GLIBC, [:implicit])
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end
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private
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GLIBC = "glibc"
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GCC = OS::LINUX_PREFERRED_GCC_RUNTIME_FORMULA
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private_constant :GLIBC, :GCC
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sig { void }
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def init_global_dep_tree_if_needed!
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return unless ::DevelopmentTools.needs_build_formulae?
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return if building_global_dep_tree?
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return unless global_dep_tree.empty?
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building_global_dep_tree!
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global_dep_tree[GLIBC] = Set.new(global_deps_for(GLIBC))
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# gcc depends on glibc
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global_dep_tree[GCC] = Set.new([*global_deps_for(GCC), GLIBC, *@@global_dep_tree[GLIBC]])
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built_global_dep_tree!
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end
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sig { params(name: String).returns(T.nilable(::Formula)) }
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def formula_for(name)
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@formula_for ||= T.let({}, T.nilable(T::Hash[String, ::Formula]))
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@formula_for[name] ||= ::Formula[name]
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rescue FormulaUnavailableError
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nil
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end
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sig { params(name: String).returns(T::Array[String]) }
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def global_deps_for(name)
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@global_deps_for ||= T.let({}, T.nilable(T::Hash[String, T::Array[String]]))
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# Always strip out glibc and gcc from all parts of dependency tree when
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# we're calculating their dependency trees. Other parts of Homebrew will
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# catch any circular dependencies.
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@global_deps_for[name] ||= if (formula = formula_for(name))
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formula.deps.map(&:name).flat_map do |dep|
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[dep, *global_deps_for(dep)].compact
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end.uniq
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else
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[]
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end
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end
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# Use class variables to avoid this expensive logic needing to be done more
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# than once.
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# rubocop:disable Style/ClassVars
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@@global_dep_tree = T.let({}, T::Hash[String, T::Set[String]])
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@@building_global_dep_tree = T.let(false, T::Boolean)
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sig { returns(T::Hash[String, T::Set[String]]) }
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def global_dep_tree
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@@global_dep_tree
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end
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sig { void }
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def building_global_dep_tree!
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@@building_global_dep_tree = true
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end
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sig { void }
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def built_global_dep_tree!
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@@building_global_dep_tree = false
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end
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sig { returns(T::Boolean) }
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def building_global_dep_tree?
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@@building_global_dep_tree.present?
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end
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# rubocop:enable Style/ClassVars
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end
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end
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end
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DependencyCollector.prepend(OS::Linux::DependencyCollector)
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