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