2024-10-06 09:25:57 -07:00

73 lines
2.4 KiB
Ruby

# typed: strict
# frozen_string_literal: true
require "system_command"
module UnpackStrategy
class Zip
module MacOSZipExtension
extend T::Helpers
requires_ancestor { UnpackStrategy }
private
sig { params(unpack_dir: Pathname, basename: Pathname, verbose: T::Boolean).void }
def extract_to_dir(unpack_dir, basename:, verbose:)
with_env(TZ: "UTC") do
if merge_xattrs && contains_extended_attributes?(path)
# We use ditto directly, because dot_clean has issues if the __MACOSX
# folder has incorrect permissions.
# (Also, Homebrew's ZIP artifact automatically deletes this folder.)
return system_command! "ditto",
args: ["-x", "-k", path, unpack_dir],
verbose:,
print_stderr: false
end
result = begin
T.let(super, T.nilable(SystemCommand::Result))
rescue ErrorDuringExecution => e
raise unless e.stderr.include?("End-of-central-directory signature not found.")
system_command!("ditto",
args: ["-x", "-k", path, unpack_dir],
verbose:)
nil
end
return if result.blank?
volumes = result.stderr.chomp
.split("\n")
.filter_map { |l| l[/\A skipping: (.+) volume label\Z/, 1] }
return if volumes.empty?
Dir.mktmpdir("homebrew-zip", HOMEBREW_TEMP) do |tmp_unpack_dir|
tmp_unpack_dir = Pathname(tmp_unpack_dir)
# `ditto` keeps Finder attributes intact and does not skip volume labels
# like `unzip` does, which can prevent disk images from being unzipped.
system_command!("ditto",
args: ["-x", "-k", path, tmp_unpack_dir],
verbose:)
volumes.each do |volume|
FileUtils.mv tmp_unpack_dir/volume, unpack_dir/volume, verbose:
end
end
end
end
sig { params(path: Pathname).returns(T::Boolean) }
def contains_extended_attributes?(path)
path.zipinfo.grep(/(^__MACOSX|\._)/).any?
end
end
private_constant :MacOSZipExtension
prepend MacOSZipExtension
end
end