added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

4 files changed, 97 insertions, 0 deletions

diff --git a/trunk/lib/rubygems/digest/digest_adapter.rb b/trunk/lib/rubygems/digest/digest_adapter.rb
new file mode 100755
index 0000000000..d5a00b059d
--- /dev/null
+++ b/trunk/lib/rubygems/digest/digest_adapter.rb
@@ -0,0 +1,40 @@
+#!/usr/bin/env ruby
+#--
+# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
+# All rights reserved.
+# See LICENSE.txt for permissions.
+#++
+
+module Gem
+  
+  # There is an incompatibility between the way Ruby 1.8.5 and 1.8.6 
+  # handles digests. This DigestAdapter will take a pre-1.8.6 digest 
+  # and adapt it to the 1.8.6 API.
+  #
+  # Note that only the digest and hexdigest methods are adapted, 
+  # since these are the only functions used by Gems.
+  #
+  class DigestAdapter
+
+    # Initialize a digest adapter.
+    def initialize(digest_class)
+      @digest_class = digest_class
+    end
+
+    # Return a new digester.  Since we are only implementing the stateless
+    # methods, we will return ourself as the instance.
+    def new
+      self
+    end
+
+    # Return the digest of +string+ as a hex string.
+    def hexdigest(string)
+      @digest_class.new(string).hexdigest
+    end
+
+    # Return the digest of +string+ as a binary string.
+    def digest(string)
+      @digest_class.new(string).digest
+    end
+  end
+end
\ No newline at end of file
diff --git a/trunk/lib/rubygems/digest/md5.rb b/trunk/lib/rubygems/digest/md5.rb
new file mode 100755
index 0000000000..f924579c08
--- /dev/null
+++ b/trunk/lib/rubygems/digest/md5.rb
@@ -0,0 +1,23 @@
+#!/usr/bin/env ruby
+#--
+# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
+# All rights reserved.
+# See LICENSE.txt for permissions.
+#++
+
+require 'digest/md5'
+
+# :stopdoc:
+module Gem
+  if RUBY_VERSION >= '1.8.6'
+    MD5 = Digest::MD5
+  else
+    require 'rubygems/digest/digest_adapter'
+    MD5 = DigestAdapter.new(Digest::MD5)
+    def MD5.md5(string)
+      self.hexdigest(string)
+    end
+  end
+end
+# :startdoc:
+
diff --git a/trunk/lib/rubygems/digest/sha1.rb b/trunk/lib/rubygems/digest/sha1.rb
new file mode 100755
index 0000000000..2a6245dcd9
--- /dev/null
+++ b/trunk/lib/rubygems/digest/sha1.rb
@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby
+#--
+# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
+# All rights reserved.
+# See LICENSE.txt for permissions.
+#++
+
+require 'digest/sha1'
+
+module Gem
+  if RUBY_VERSION >= '1.8.6'
+    SHA1 = Digest::SHA1
+  else
+    require 'rubygems/digest/digest_adapter'
+    SHA1 = DigestAdapter.new(Digest::SHA1)
+  end
+end
\ No newline at end of file
diff --git a/trunk/lib/rubygems/digest/sha2.rb b/trunk/lib/rubygems/digest/sha2.rb
new file mode 100755
index 0000000000..7bef16aed2
--- /dev/null
+++ b/trunk/lib/rubygems/digest/sha2.rb
@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby
+#--
+# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
+# All rights reserved.
+# See LICENSE.txt for permissions.
+#++
+
+require 'digest/sha2'
+
+module Gem
+  if RUBY_VERSION >= '1.8.6'
+    SHA256 = Digest::SHA256
+  else
+    require 'rubygems/digest/digest_adapter'
+    SHA256 = DigestAdapter.new(Digest::SHA256)
+  end
+end