module RHC::TarGz

Public Class Methods

contains(filename, search, force_ruby=false) click to toggle source
# File lib/rhc/tar_gz.rb, line 11
def self.contains(filename, search, force_ruby=false)
  
  return false if ! (File.file? filename and File.basename(filename).downcase =~ %r.\.t(ar\.)?gz$/)

  regex = Regexp.new search
  if RHC::Helpers.windows? or force_ruby
    begin
      zlib::GzipReader.open(filename) do |gz|
        Minitar::Reader.open gz do |tar|
          tar.each_entry do |entry|
            if entry.full_name =~ regex
              return true
            end
          end
        end
      end
    rescue zlib::GzipFile::Error, zlib::GzipFile::Error
      false
    end
  else
    # combining STDOUT and STDERR (i.e., 2>&1) does not suppress output
    # when the specs run via 'bundle exec rake spec'
    system "#{TAR_BIN} --wildcards -tf #{filename} #{regex.source} 2>/dev/null >/dev/null"
  end
end