2018-11-02 17:29:23 +00:00

26 lines
555 B
Ruby

module UnpackStrategy
class Gzip
include UnpackStrategy
using Magic
def self.extensions
[".gz"]
end
def self.can_extract?(path)
path.magic_number.match?(/\A\037\213/n)
end
private
def extract_to_dir(unpack_dir, basename:, verbose:)
FileUtils.cp path, unpack_dir/basename, preserve: true
quiet_flags = verbose ? [] : ["-q"]
system_command! "gunzip",
args: [*quiet_flags, "-N", "--", unpack_dir/basename],
verbose: verbose
end
end
end