146 lines
4.1 KiB
Ruby
146 lines
4.1 KiB
Ruby
module Cask
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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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attr_reader :package_id
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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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def uninstall
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unless pkgutil_bom_files.empty?
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odebug "Deleting pkg files"
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@command.run!(
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"/usr/bin/xargs",
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args: [
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"-0", "--", "/bin/rm", "--"
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],
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input: pkgutil_bom_files.join("\0"),
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sudo: true,
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)
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end
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unless pkgutil_bom_specials.empty?
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odebug "Deleting pkg symlinks and special files"
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@command.run!(
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"/usr/bin/xargs",
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args: [
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"-0", "--", "/bin/rm", "--"
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],
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input: pkgutil_bom_specials.join("\0"),
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sudo: true,
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)
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end
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unless pkgutil_bom_dirs.empty?
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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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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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end
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if root.directory? && !MacOS.undeletable?(root)
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clean_ds_store(root)
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rmdir(root)
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end
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forget
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end
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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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def pkgutil_bom_files
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@pkgutil_bom_files ||= pkgutil_bom_all.select(&:file?) - pkgutil_bom_specials
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end
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def pkgutil_bom_specials
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@pkgutil_bom_specials ||= pkgutil_bom_all.select(&method(:special?))
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end
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def pkgutil_bom_dirs
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@pkgutil_bom_dirs ||= pkgutil_bom_all.select(&:directory?) - pkgutil_bom_specials
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end
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def pkgutil_bom_all
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@pkgutil_bom_all ||= @command.run!("/usr/sbin/pkgutil", args: ["--files", package_id])
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.stdout
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.split("\n")
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.map { |path| root.join(path) }
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.reject(&MacOS.public_method(:undeletable?))
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end
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def root
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@root ||= Pathname.new(info.fetch("volume")).join(info.fetch("install-location"))
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end
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def info
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@info ||= @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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private
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def special?(path)
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path.symlink? || path.chardev? || path.blockdev?
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end
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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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def with_full_permissions(path)
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original_mode = (path.stat.mode % 01000).to_s(8)
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original_flags = @command.run!("/usr/bin/stat", args: ["-f", "%Of", "--", path]).stdout.chomp
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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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@command.run!("/usr/bin/chflags", args: ["--", original_flags, path], sudo: true)
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end
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end
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def deepest_path_first(paths)
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paths.sort_by { |path| -path.to_s.split(File::SEPARATOR).count }
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end
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def clean_ds_store(dir)
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return unless (ds_store = dir.join(".DS_Store")).exist?
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@command.run!("/bin/rm", args: ["--", ds_store], sudo: true)
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end
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# Some packages leave broken symlinks around; we clean them out before
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# attempting to `rmdir` to prevent extra cruft from lying around.
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def clean_broken_symlinks(dir)
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dir.children.select(&method(:broken_symlink?)).each do |path|
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@command.run!("/bin/rm", args: ["--", path], sudo: true)
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end
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end
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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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