54 lines
1.1 KiB
Ruby
54 lines
1.1 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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require "keg"
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# Helper functions for pinning a formula.
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class FormulaPin
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sig { params(formula: Formula).void }
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def initialize(formula)
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@formula = formula
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end
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sig { returns(Pathname) }
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def path
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HOMEBREW_PINNED_KEGS/@formula.name
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end
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sig { params(version: PkgVersion).void }
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def pin_at(version)
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HOMEBREW_PINNED_KEGS.mkpath
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version_path = @formula.rack/version.to_s
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path.make_relative_symlink(version_path) if !pinned? && version_path.exist?
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end
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sig { void }
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def pin
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latest_keg = @formula.installed_kegs.max_by(&:scheme_and_version)
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return if latest_keg.nil?
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pin_at(latest_keg.version)
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end
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sig { void }
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def unpin
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path.unlink if pinned?
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HOMEBREW_PINNED_KEGS.rmdir_if_possible
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end
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sig { returns(T::Boolean) }
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def pinned?
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path.symlink?
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end
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sig { returns(T::Boolean) }
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def pinnable?
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!@formula.installed_prefixes.empty?
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end
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sig { returns(T.nilable(PkgVersion)) }
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def pinned_version
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Keg.new(path.resolved_path).version if pinned?
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end
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end
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