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class Hbc::Pkg
def self.all_matching(regexp, command)
command.run("/usr/sbin/pkgutil", args: ["--pkgs=#{regexp}"]).stdout.split("\n").map { |package_id|
new(package_id.chomp, command)
}
end
attr_reader :package_id
def initialize(package_id, command = Hbc::SystemCommand)
@package_id = package_id
@command = command
end
def uninstall
odebug "Deleting pkg files"
pkgutil_bom_files.each_slice(500) do |file_slice|
@command.run("/bin/rm", args: file_slice.unshift("-f", "--"), sudo: true)
end
odebug "Deleting pkg symlinks and special files"
pkgutil_bom_specials.each_slice(500) do |file_slice|
@command.run("/bin/rm", args: file_slice.unshift("-f", "--"), sudo: true)
end
odebug "Deleting pkg directories"
_deepest_path_first(pkgutil_bom_dirs).each do |dir|
next unless dir.exist? && !MacOS.undeletable?(dir)
_with_full_permissions(dir) do
_clean_broken_symlinks(dir)
_clean_ds_store(dir)
_rmdir(dir)
end
end
forget
end
def forget
odebug "Unregistering pkg receipt (aka forgetting)"
@command.run!("/usr/sbin/pkgutil", args: ["--forget", package_id], sudo: true)
end
def pkgutil_bom(*type)
@command.run!("/usr/sbin/pkgutil", args: [*type, "--files", package_id].compact)
.stdout
.split("\n")
.map { |path| root.join(path) }
end
def pkgutil_bom_files
@pkgutil_bom_files ||= pkgutil_bom("--only-files")
end
def pkgutil_bom_dirs
@pkgutil_bom_dirs ||= pkgutil_bom("--only-dirs")
end
def pkgutil_bom_all
@pkgutil_bom_all ||= pkgutil_bom
end
def pkgutil_bom_specials
pkgutil_bom_all - pkgutil_bom_files - pkgutil_bom_dirs
end
def root
@root ||= Pathname(info.fetch("volume")).join(info.fetch("install-location"))
end
def info
@command.run!("/usr/sbin/pkgutil", args: ["--pkg-info-plist", package_id])
.plist
end
def _rmdir(path)
@command.run!("/bin/rmdir", args: ["--", path], sudo: true) if path.children.empty?
end
def _with_full_permissions(path)
original_mode = (path.stat.mode % 0o1000).to_s(8)
# TODO: similarly read and restore macOS flags (cf man chflags)
@command.run!("/bin/chmod", args: ["--", "777", path], sudo: true)
yield
ensure
if path.exist? # block may have removed dir
@command.run!("/bin/chmod", args: ["--", original_mode, path], sudo: true)
end
end
def _deepest_path_first(paths)
paths.sort do |path_a, path_b|
path_b.to_s.split("/").count <=> path_a.to_s.split("/").count
end
end
# Some pkgs leave broken symlinks hanging around; we clean them out before
# attempting to rmdir to prevent extra cruft from lying around after
# uninstall
def _clean_broken_symlinks(dir)
dir.children.each do |child|
if _broken_symlink?(child)
@command.run!("/bin/rm", args: ["--", child], sudo: true)
end
end
end
def _clean_ds_store(dir)
ds_store = dir.join(".DS_Store")
@command.run!("/bin/rm", args: ["--", ds_store], sudo: true) if ds_store.exist?
end
def _broken_symlink?(path)
path.symlink? && !path.exist?
end
end
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