162 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			162 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| require "blacklist"
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| require "caveats"
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| require "cmd/options"
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| require "formula"
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| require "keg"
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| require "tab"
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| require "utils/json"
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| 
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| module Homebrew
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|   def info
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|     # eventually we'll solidify an API, but we'll keep old versions
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|     # awhile around for compatibility
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|     if ARGV.json == "v1"
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|       print_json
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|     elsif ARGV.flag? '--github'
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|       exec_browser(*ARGV.formulae.map { |f| github_info(f) })
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|     else
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|       print_info
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|     end
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|   end
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| 
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|   def print_info
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|     if ARGV.named.empty?
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|       if HOMEBREW_CELLAR.exist?
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|         puts "#{HOMEBREW_CELLAR.children.length} kegs, #{HOMEBREW_CELLAR.abv}"
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|       end
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|     else
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|       ARGV.named.each_with_index do |f,i|
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|         puts unless i == 0
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|         begin
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|           info_formula Formulary.factory(f)
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|         rescue FormulaUnavailableError
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|           # No formula with this name, try a blacklist lookup
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|           if (blacklist = blacklisted?(f))
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|             puts blacklist
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|           else
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|             raise
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|           end
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|         end
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|       end
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|     end
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|   end
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| 
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|   def print_json
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|     ff = if ARGV.include? "--all"
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|            Formula
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|          elsif ARGV.include? "--installed"
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|            Formula.installed
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|          else
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|            ARGV.formulae
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|          end
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|     json = ff.map {|f| f.to_hash}
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|     puts Utils::JSON.dump(json)
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|   end
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| 
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|   def github_fork
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|     if (HOMEBREW_REPOSITORY/".git").directory?
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|       if `git remote -v` =~ %r{origin\s+(https?://|git(?:@|://))github.com[:/](.+)/homebrew}
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|         $2
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|       end
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|     end
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|   end
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| 
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|   def github_info f
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|     if f.tap?
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|       user, repo = f.tap.split("/", 2)
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|       path = f.path.relative_path_from(HOMEBREW_LIBRARY.join("Taps", f.tap))
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|     else
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|       user = f.path.parent.cd { github_fork }
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|       repo = "homebrew"
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|       path = f.path.relative_path_from(HOMEBREW_REPOSITORY)
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|     end
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| 
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|     "https://github.com/#{user}/#{repo}/blob/master/#{path}"
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|   end
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| 
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|   def info_formula f
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|     specs = []
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| 
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|     if stable = f.stable
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|       s = "stable #{stable.version}"
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|       s += " (bottled)" if stable.bottled?
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|       specs << s
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|     end
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| 
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|     if devel = f.devel
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|       s = "devel #{devel.version}"
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|       s += " (bottled)" if devel.bottled?
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|       specs << s
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|     end
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| 
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|     specs << "HEAD" if f.head
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| 
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|     puts "#{f.name}: #{specs*', '}#{' (pinned)' if f.pinned?}"
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| 
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|     puts f.homepage
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| 
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|     if f.keg_only?
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|       puts
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|       puts "This formula is keg-only."
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|       puts f.keg_only_reason
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|       puts
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|     end
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| 
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|     conflicts = f.conflicts.map(&:name).sort!
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|     puts "Conflicts with: #{conflicts*', '}" unless conflicts.empty?
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| 
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|     if f.rack.directory?
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|       kegs = f.rack.subdirs.map { |keg| Keg.new(keg) }.sort_by(&:version)
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|       kegs.each do |keg|
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|         puts "#{keg} (#{keg.abv})#{' *' if keg.linked?}"
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|         tab = Tab.for_keg(keg).to_s
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|         puts "  #{tab}" unless tab.empty?
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|       end
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|     else
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|       puts "Not installed"
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|     end
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| 
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|     history = github_info(f)
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|     puts "From: #{history}" if history
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| 
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|     unless f.deps.empty?
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|       ohai "Dependencies"
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|       %w{build required recommended optional}.map do |type|
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|         deps = f.deps.send(type)
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|         puts "#{type.capitalize}: #{decorate_dependencies deps}" unless deps.empty?
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|       end
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|     end
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| 
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|     unless f.options.empty?
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|       ohai "Options"
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|       Homebrew.dump_options_for_formula f
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|     end
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| 
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|     c = Caveats.new(f)
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|     ohai 'Caveats', c.caveats unless c.empty?
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|   end
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| 
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|   def decorate_dependencies dependencies
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|     # necessary for 1.8.7 unicode handling since many installs are on 1.8.7
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|     tick = ["2714".hex].pack("U*")
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|     cross = ["2718".hex].pack("U*")
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| 
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|     deps_status = dependencies.collect do |dep|
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|       if dep.installed?
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|         color = Tty.green
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|         symbol = tick
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|       else
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|         color = Tty.red
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|         symbol = cross
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|       end
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|       if ENV['HOMEBREW_NO_EMOJI']
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|         colored_dep = "#{color}#{dep}"
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|       else
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|         colored_dep = "#{dep} #{color}#{symbol}"
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|       end
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|       "#{colored_dep}#{Tty.reset}"
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|     end
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|     deps_status * ", "
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|   end
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| end
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