31 lines
813 B
Ruby

# typed: strict
# frozen_string_literal: true
module UnpackStrategy
# Strategy for unpacking bzip2 archives.
class Bzip2
include UnpackStrategy
sig { override.returns(T::Array[String]) }
def self.extensions
[".bz2"]
end
sig { override.params(path: Pathname).returns(T::Boolean) }
def self.can_extract?(path)
path.magic_number.match?(/\ABZh/n)
end
private
sig { override.params(unpack_dir: Pathname, basename: Pathname, verbose: T::Boolean).void }
def extract_to_dir(unpack_dir, basename:, verbose:)
FileUtils.cp path, unpack_dir/basename, preserve: true
quiet_flags = verbose ? [] : ["-q"]
system_command! "bunzip2",
args: [*quiet_flags, unpack_dir/basename],
verbose:
end
end
end