Defer rake/contrib requires so we can use the stdlib rake instead of the full gem

Rakefile

@@ -1,6 +1,5 @@
 require 'rake'
 require 'rake/rdoctask'
-require 'rake/contrib/sshpublisher'
 
 env = %(PKG_BUILD="#{ENV['PKG_BUILD']}") if ENV['PKG_BUILD']
 
@@ -74,6 +73,7 @@ end
 
 desc "Publish API docs for Rails as a whole and for each component"
 task :pdoc => :rdoc do
+  require 'rake/contrib/sshpublisher'
   Rake::SshDirPublisher.new("wrath.rubyonrails.org", "public_html/api", "doc/rdoc").upload
   PROJECTS.each do |project|
     system %(cd #{project} && #{env} #{$0} pdoc)

railties/Rakefile

@@ -2,7 +2,6 @@ require 'rake'
 require 'rake/testtask'
 require 'rake/rdoctask'
 require 'rake/gempackagetask'
-require 'rake/contrib/rubyforgepublisher'
 
 require 'date'
 require 'rbconfig'
@@ -344,12 +343,14 @@ end
 # Publishing -------------------------------------------------------
 desc "Publish the rails gem"
 task :pgem => [:gem] do 
+  require 'rake/contrib/sshpublisher'
   Rake::SshFilePublisher.new("gems.rubyonrails.org", "/u/sites/gems/gems", "pkg", "#{PKG_FILE_NAME}.gem").upload
   `ssh gems.rubyonrails.org '/u/sites/gems/gemupdate.sh'`
 end
 
 desc "Publish the guides"
 task :pguides => :guides do
+  require 'rake/contrib/sshpublisher'
   mkdir_p 'pkg'
   `tar -czf pkg/guides.gz guides/output`
   Rake::SshFilePublisher.new("web.rubyonrails.org", "/u/sites/guides.rubyonrails.org/public", "pkg", "guides.gz").upload
@@ -358,6 +359,7 @@ end
 
 desc "Publish the release files to RubyForge."
 task :release => [ :package ] do
+  require 'rake/contrib/rubyforgepublisher'
   require 'rubyforge'
 
   packages = %w( gem ).collect{ |ext| "pkg/#{PKG_NAME}-#{PKG_VERSION}.#{ext}" }