74 lines
1.5 KiB
Ruby
74 lines
1.5 KiB
Ruby
require "formula"
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require "keg"
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require "cli_parser"
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module Homebrew
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module_function
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def switch_args
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Homebrew::CLI::Parser.new do
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usage_banner <<~EOS
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`switch` <formula> <version>
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Symlink all of the specific <version> of <formula>'s install to Homebrew prefix.
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EOS
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switch_option :verbose
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switch_option :debug
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end
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end
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def switch
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switch_args.parse
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name = args.remaining.first
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usage = "Usage: brew switch <formula> <version>"
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unless name
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onoe usage
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exit 1
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end
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rack = Formulary.to_rack(name)
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unless rack.directory?
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onoe "#{name} not found in the Cellar."
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exit 2
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end
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versions = rack.subdirs
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.map { |d| Keg.new(d).version }
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.sort
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.join(", ")
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version = args.remaining.second
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if !version || args.remaining.length > 2
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onoe usage
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puts "#{name} installed versions: #{versions}"
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exit 1
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end
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unless (rack/version).directory?
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onoe "#{name} does not have a version \"#{version}\" in the Cellar."
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puts "#{name} installed versions: #{versions}"
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exit 3
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end
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# Unlink all existing versions
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rack.subdirs.each do |v|
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keg = Keg.new(v)
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puts "Cleaning #{keg}"
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keg.unlink
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end
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keg = Keg.new(rack/version)
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# Link new version, if not keg-only
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if Formulary.keg_only?(rack)
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keg.optlink
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puts "Opt link created for #{keg}"
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else
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puts "#{keg.link} links created for #{keg}"
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end
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end
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end
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