45 lines
734 B
Ruby
45 lines
734 B
Ruby
# typed: true
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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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#
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# @api private
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class FormulaPin
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def initialize(f)
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@f = f
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end
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def path
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HOMEBREW_PINNED_KEGS/@f.name
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end
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def pin_at(version)
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HOMEBREW_PINNED_KEGS.mkpath
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version_path = @f.rack/version
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path.make_relative_symlink(version_path) if !pinned? && version_path.exist?
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end
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def pin
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pin_at(@f.installed_kegs.map(&:version).max)
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end
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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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def pinned?
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path.symlink?
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end
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def pinnable?
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!@f.installed_prefixes.empty?
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end
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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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