116 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # typed: strict
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| # frozen_string_literal: true
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| 
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| require "abstract_command"
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| require "fileutils"
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| 
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| module Homebrew
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|   module Cmd
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|     class Prefix < AbstractCommand
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|       include FileUtils
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| 
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|       UNBREWED_EXCLUDE_FILES = %w[.DS_Store].freeze
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|       UNBREWED_EXCLUDE_PATHS = %w[
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|         */.keepme
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|         .github/*
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|         bin/brew
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|         completions/zsh/_brew
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|         docs/*
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|         lib/gdk-pixbuf-2.0/*
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|         lib/gio/*
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|         lib/node_modules/*
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|         lib/python[23].[0-9]/*
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|         lib/python3.[0-9][0-9]/*
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|         lib/pypy/*
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|         lib/pypy3/*
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|         lib/ruby/gems/[12].*
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|         lib/ruby/site_ruby/[12].*
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|         lib/ruby/vendor_ruby/[12].*
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|         manpages/brew.1
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|         share/pypy/*
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|         share/pypy3/*
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|         share/info/dir
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|         share/man/whatis
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|         share/mime/*
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|         texlive/*
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|       ].freeze
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| 
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|       sig { override.returns(String) }
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|       def self.command_name = "--prefix"
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| 
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|       cmd_args do
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|         description <<~EOS
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|           Display Homebrew's install path. *Default:*
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| 
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|             - macOS ARM: `#{HOMEBREW_MACOS_ARM_DEFAULT_PREFIX}`
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|             - macOS Intel: `#{HOMEBREW_DEFAULT_PREFIX}`
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|             - Linux: `#{HOMEBREW_LINUX_DEFAULT_PREFIX}`
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| 
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|           If <formula> is provided, display the location where <formula> is or would be installed.
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|         EOS
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|         switch "--unbrewed",
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|                description: "List files in Homebrew's prefix not installed by Homebrew."
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|         switch "--installed",
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|                description: "Outputs nothing and returns a failing status code if <formula> is not installed."
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|         conflicts "--unbrewed", "--installed"
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| 
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|         named_args :formula
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|       end
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| 
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|       sig { override.void }
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|       def run
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|         raise UsageError, "`--installed` requires a formula argument." if args.installed? && args.no_named?
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| 
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|         if args.unbrewed?
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|           raise UsageError, "`--unbrewed` does not take a formula argument." unless args.no_named?
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| 
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|           list_unbrewed
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|         elsif args.no_named?
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|           puts HOMEBREW_PREFIX
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|         else
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|           formulae = args.named.to_resolved_formulae
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|           prefixes = formulae.filter_map do |f|
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|             next nil if args.installed? && !f.opt_prefix.exist?
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| 
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|             # this case will be short-circuited by brew.sh logic for a single formula
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|             f.opt_prefix
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|           end
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|           puts prefixes
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|           if args.installed?
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|             missing_formulae = formulae.reject(&:optlinked?)
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|                                        .map(&:name)
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|             return if missing_formulae.blank?
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| 
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|             raise NotAKegError, <<~EOS
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|               The following formulae are not installed:
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|               #{missing_formulae.join(" ")}
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|             EOS
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|           end
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|         end
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|       end
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| 
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|       private
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| 
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|       sig { void }
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|       def list_unbrewed
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|         dirs  = HOMEBREW_PREFIX.subdirs.map { |dir| dir.basename.to_s }
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|         dirs -= %w[Library Cellar Caskroom .git]
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| 
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|         # Exclude cache, logs and repository, if they are located under the prefix.
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|         [HOMEBREW_CACHE, HOMEBREW_LOGS, HOMEBREW_REPOSITORY].each do |dir|
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|           dirs.delete dir.relative_path_from(HOMEBREW_PREFIX).to_s
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|         end
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|         dirs.delete "etc"
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|         dirs.delete "var"
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| 
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|         arguments = dirs.sort + %w[-type f (]
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|         arguments.concat UNBREWED_EXCLUDE_FILES.flat_map { |f| %W[! -name #{f}] }
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|         arguments.concat UNBREWED_EXCLUDE_PATHS.flat_map { |d| %W[! -path #{d}] }
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|         arguments.push ")"
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| 
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|         cd(HOMEBREW_PREFIX) { safe_system("find", *arguments) }
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|       end
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|     end
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|   end
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| end
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