 63e7fb5cae
			
		
	
	
		63e7fb5cae
		
	
	
	
	
		
			
			When a Formula is converted into a Cask (e.g. osxfuse), a symlink remains at the place of package dir. This change ensure to remove such leftovers.
		
			
				
	
	
		
			121 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| module Hbc
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|   class Pkg
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|     def self.all_matching(regexp, command)
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|       command.run("/usr/sbin/pkgutil", args: ["--pkgs=#{regexp}"]).stdout.split("\n").map do |package_id|
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|         new(package_id.chomp, command)
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|       end
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|     end
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| 
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|     attr_reader :package_id
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| 
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|     def initialize(package_id, command = SystemCommand)
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|       @package_id = package_id
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|       @command = command
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|     end
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| 
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|     def uninstall
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|       odebug "Deleting pkg files"
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|       pkgutil_bom_files.each_slice(500) do |file_slice|
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|         @command.run("/bin/rm", args: file_slice.unshift("-f", "--"), sudo: true)
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|       end
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|       odebug "Deleting pkg symlinks and special files"
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|       pkgutil_bom_specials.each_slice(500) do |file_slice|
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|         @command.run("/bin/rm", args: file_slice.unshift("-f", "--"), sudo: true)
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|       end
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|       odebug "Deleting pkg directories"
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|       _deepest_path_first(pkgutil_bom_dirs).each do |dir|
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|         next unless dir.exist? && !MacOS.undeletable?(dir)
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|         _with_full_permissions(dir) do
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|           _clean_broken_symlinks(dir)
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|           _clean_ds_store(dir)
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|           _rmdir(dir)
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|         end
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|       end
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|       forget
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|     end
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| 
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|     def forget
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|       odebug "Unregistering pkg receipt (aka forgetting)"
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|       @command.run!("/usr/sbin/pkgutil", args: ["--forget", package_id], sudo: true)
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|     end
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| 
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|     def pkgutil_bom(*type)
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|       @command.run!("/usr/sbin/pkgutil", args: [*type, "--files", package_id].compact)
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|               .stdout
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|               .split("\n")
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|               .map { |path| root.join(path) }
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|     end
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| 
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|     def pkgutil_bom_files
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|       @pkgutil_bom_files ||= pkgutil_bom("--only-files")
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|     end
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| 
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|     def pkgutil_bom_dirs
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|       @pkgutil_bom_dirs ||= pkgutil_bom("--only-dirs")
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|     end
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| 
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|     def pkgutil_bom_all
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|       @pkgutil_bom_all ||= pkgutil_bom
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|     end
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| 
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|     def pkgutil_bom_specials
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|       pkgutil_bom_all - pkgutil_bom_files - pkgutil_bom_dirs
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|     end
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| 
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|     def root
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|       @root ||= Pathname(info.fetch("volume")).join(info.fetch("install-location"))
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|     end
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| 
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|     def info
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|       @command.run!("/usr/sbin/pkgutil", args: ["--pkg-info-plist", package_id])
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|               .plist
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|     end
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| 
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|     def _rmdir(path)
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|       return unless path.children.empty?
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|       if path.symlink?
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|         @command.run!("/bin/rm", args: ["-f", "--", path], sudo: true)
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|       else
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|         @command.run!("/bin/rmdir", args: ["--", path], sudo: true)
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|       end
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|     end
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| 
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|     def _with_full_permissions(path)
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|       original_mode = (path.stat.mode % 01000).to_s(8)
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|       # TODO: similarly read and restore macOS flags (cf man chflags)
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|       @command.run!("/bin/chmod", args: ["--", "777", path], sudo: true)
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|       yield
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|     ensure
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|       if path.exist? # block may have removed dir
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|         @command.run!("/bin/chmod", args: ["--", original_mode, path], sudo: true)
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|       end
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|     end
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| 
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|     def _deepest_path_first(paths)
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|       paths.sort do |path_a, path_b|
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|         path_b.to_s.split("/").count <=> path_a.to_s.split("/").count
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|       end
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|     end
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| 
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|     # Some pkgs leave broken symlinks hanging around; we clean them out before
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|     # attempting to rmdir to prevent extra cruft from lying around after
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|     # uninstall
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|     def _clean_broken_symlinks(dir)
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|       dir.children.each do |child|
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|         if _broken_symlink?(child)
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|           @command.run!("/bin/rm", args: ["--", child], sudo: true)
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|         end
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|       end
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|     end
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| 
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|     def _clean_ds_store(dir)
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|       ds_store = dir.join(".DS_Store")
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|       @command.run!("/bin/rm", args: ["--", ds_store], sudo: true) if ds_store.exist?
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|     end
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| 
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|     def _broken_symlink?(path)
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|       path.symlink? && !path.exist?
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|     end
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|   end
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| end
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