38 lines
724 B
Ruby
38 lines
724 B
Ruby
require 'fileutils'
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class FormulaPin
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PINDIR = Pathname.new("#{HOMEBREW_LIBRARY}/PinnedKegs")
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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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Pathname.new("#{PINDIR}/#{@f.name}")
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end
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def pin_at(version)
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PINDIR.mkpath unless PINDIR.exist?
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version_path = @f.rack.join(version)
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FileUtils.ln_s(version_path, path) unless pinned? or not version_path.exist?
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end
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def pin
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versions = @f.rack.children.map { |item| item.basename.to_s }
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version = versions.map { |item| Version.new(item) }.sort[0].to_s
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pin_at(version)
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end
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def unpin
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FileUtils.rm(path) if pinned?
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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.rack.exist? && @f.rack.children.length > 0
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end
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end
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