mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
46 lines
1.1 KiB
Ruby
Executable File
46 lines
1.1 KiB
Ruby
Executable File
require 'extend/pathname'
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module Homebrew extend self
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def which_versions which_brews=nil
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brew_links = Array.new
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version_map = Hash.new
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real_cellar = HOMEBREW_CELLAR.realpath
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(HOMEBREW_PREFIX/'opt').subdirs.each do |path|
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next unless path.symlink? && path.resolved_path_exists?
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brew_links << Pathname.new(path.realpath)
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end
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brew_links = brew_links.collect{|p|p.relative_path_from(real_cellar).to_s}.reject{|p|p.start_with?("../")}
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brew_links.each do |p|
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parts = p.split("/")
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next if parts.count < 2 # Shouldn't happen for normally installed brews
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brew = parts.shift
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version = parts.shift
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next unless which_brews.include? brew if which_brews
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versions = version_map[brew] || []
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versions << version unless versions.include? version
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version_map[brew] = versions
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end
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return version_map
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end
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def which
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which_brews = ARGV.named.empty? ? nil : ARGV.named
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brews = which_versions which_brews
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brews.keys.sort.each do |b|
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puts "#{b}: #{brews[b].sort*' '}"
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end
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puts
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end
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end
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Homebrew.which
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