3 files changed, 37 insertions, 31 deletions
@@ -224,11 +224,11 @@ class Gem::Installer
 File.open generated_bin, "rb" do |io|
 line = io.gets
- shebang = /^#!.*ruby/
 # TruffleRuby uses a bash prelude in default launchers
 if load_relative_enabled? || RUBY_ENGINE == "truffleruby"
- until line.nil? || line =~ shebang do
 line = io.gets
 end
 end
@@ -239,7 +239,7 @@ class Gem::Installer
 # TODO: detect a specially formatted comment instead of trying
 # to find a string inside Ruby code.
- next unless io.gets.to_s.include?("This file was generated by RubyGems")
 ruby_executable = true
 existing = io.read.slice(/
@@ -357,18 +357,21 @@ EOM
 def digest(entry) # :nodoc:
 algorithms = if @checksums
- @checksums.keys
- else
- [Gem::Security::DIGEST_NAME].compact
 end
- algorithms.each do |algorithm|
- digester = Gem::Security.create_digest(algorithm)
-
- digester << entry.readpartial(16_384) until entry.eof?
- entry.rewind
 @digests[algorithm][entry.full_name] = digester
 end
@@ -437,8 +440,6 @@ EOM
 FileUtils.rm_rf destination
- mkdir_options = {}
- mkdir_options[:mode] = dir_mode ? 0o755 : (entry.header.mode if entry.directory?)
 mkdir =
 if entry.directory?
 destination
@@ -447,7 +448,7 @@ EOM
 end
 unless directories.include?(mkdir)
- FileUtils.mkdir_p mkdir, **mkdir_options
 directories << mkdir
 end
@@ -707,6 +708,7 @@ EOM
 def verify_gz(entry) # :nodoc:
 Zlib::GzipReader.wrap entry do |gzio|
 gzio.read 16_384 until gzio.eof? # gzip checksum verification
 end
 rescue Zlib::GzipFile::Error => e
@@ -127,7 +127,8 @@ class Gem::Package::TarHeader
 end
 def self.strict_oct(str)
- return str.strip.oct if /\A[0-7]*\z/.match?(str.strip)
 raise ArgumentError, "#{str.inspect} is not an octal string"
 end
@@ -137,7 +138,8 @@ class Gem::Package::TarHeader
 # \ff flags a negative 256-based number
 # In case we have a match, parse it as a signed binary value
 # in big-endian order, except that the high-order bit is ignored.
- return str.unpack("N2").last if /\A[\x80\xff]/n.match?(str)
 strict_oct(str)
 end
@@ -149,21 +151,23 @@ class Gem::Package::TarHeader
 raise ArgumentError, ":name, :size, :prefix and :mode required"
 end
- vals[:uid] ||= 0
- vals[:gid] ||= 0
- vals[:mtime] ||= 0
- vals[:checksum] ||= ""
- vals[:typeflag] = "0" if vals[:typeflag].nil? || vals[:typeflag].empty?
- vals[:magic] ||= "ustar"
- vals[:version] ||= "00"
- vals[:uname] ||= "wheel"
- vals[:gname] ||= "wheel"
- vals[:devmajor] ||= 0
- vals[:devminor] ||= 0
-
- FIELDS.each do |name|
- instance_variable_set "@#{name}", vals[name]
- end
 @empty = vals[:empty]
 end