75 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| require "stringio"
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| require "formula"
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| require "cli/parser"
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| 
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| module Homebrew
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|   module_function
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| 
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|   def unpack_args
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|     Homebrew::CLI::Parser.new do
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|       usage_banner <<~EOS
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|         `unpack` [<options>] <formula>
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| 
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|         Unpack the source files for <formula> into subdirectories of the current
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|         working directory.
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|       EOS
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|       flag   "--destdir=",
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|              description: "Create subdirectories in the directory named by <path> instead."
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|       switch "--patch",
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|              description: "Patches for <formula> will be applied to the unpacked source."
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|       switch "-g", "--git",
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|              description: "Initialise a Git repository in the unpacked source. This is useful for creating "\
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|                           "patches for the software."
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|       switch :force
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|       switch :verbose
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|       switch :debug
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|       conflicts "--git", "--patch"
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|       min_named :formula
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|     end
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|   end
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| 
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|   def unpack
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|     unpack_args.parse
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| 
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|     formulae = args.formulae
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| 
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|     if dir = args.destdir
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|       unpack_dir = Pathname.new(dir).expand_path
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|       unpack_dir.mkpath
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|     else
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|       unpack_dir = Pathname.pwd
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|     end
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| 
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|     raise "Cannot write to #{unpack_dir}" unless unpack_dir.writable_real?
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| 
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|     formulae.each do |f|
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|       stage_dir = unpack_dir/"#{f.name}-#{f.version}"
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| 
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|       if stage_dir.exist?
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|         raise "Destination #{stage_dir} already exists!" unless args.force?
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| 
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|         rm_rf stage_dir
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|       end
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| 
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|       oh1 "Unpacking #{Formatter.identifier(f.full_name)} to: #{stage_dir}"
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| 
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|       ENV["VERBOSE"] = "1" # show messages about tar
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|       f.brew do
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|         f.patch if args.patch?
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|         cp_r getwd, stage_dir, preserve: true
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|       end
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|       ENV["VERBOSE"] = nil
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| 
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|       next unless args.git?
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| 
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|       ohai "Setting up git repository"
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|       cd stage_dir
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|       system "git", "init", "-q"
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|       system "git", "add", "-A"
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|       system "git", "commit", "-q", "-m", "brew-unpack"
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|     end
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|   end
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| end
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