19 lines
		
	
	
		
			562 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
		
		
			
		
	
	
			19 lines
		
	
	
		
			562 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
|   | require "tmpdir" | ||
|  | 
 | ||
|  | require "hbc/container/base" | ||
|  | 
 | ||
|  | class Hbc::Container::Tar < Hbc::Container::Base | ||
|  |   def self.me?(criteria) | ||
|  |     criteria.magic_number(%r{^.{257}ustar}n) || | ||
|  |       # or compressed tar (bzip2/gzip/lzma/xz) | ||
|  |       IO.popen(["/usr/bin/tar", "-t", "-f", criteria.path.to_s], err: "/dev/null") { |io| !io.read(1).nil? } | ||
|  |   end | ||
|  | 
 | ||
|  |   def extract | ||
|  |     Dir.mktmpdir do |unpack_dir| | ||
|  |       @command.run!("/usr/bin/tar", args: ["-x", "-f", @path, "-C", unpack_dir]) | ||
|  |       @command.run!("/usr/bin/ditto", args: ["--", unpack_dir, @cask.staged_path]) | ||
|  |     end | ||
|  |   end | ||
|  | end |