Remove the tmp/sessions folder and its clear task

Commit 1aea470 introduced this directory but this was at a time when the
default way to store sessions was on the file system under the tmp
directory.

Let's remove references to it from the documentation as well.

[Robin Dupret & yui-knk]

2 files changed, 4 insertions, 12 deletions

diff --git a/railties/lib/rails/commands/server.rb b/railties/lib/rails/commands/server.rb
index e39f0920af..3f14910edf 100644
--- a/railties/lib/rails/commands/server.rb
+++ b/railties/lib/rails/commands/server.rb
@@ -130,7 +130,7 @@ module Rails
       end
 
       def create_tmp_directories
-        %w(cache pids sessions sockets).each do |dir_to_make|
+        %w(cache pids sockets).each do |dir_to_make|
           FileUtils.mkdir_p(File.join(Rails.root, 'tmp', dir_to_make))
         end
       end
diff --git a/railties/lib/rails/tasks/tmp.rake b/railties/lib/rails/tasks/tmp.rake
index 116988665f..b33ae9862b 100644
--- a/railties/lib/rails/tasks/tmp.rake
+++ b/railties/lib/rails/tasks/tmp.rake
@@ -1,9 +1,8 @@
 namespace :tmp do
-  desc "Clear session, cache, and socket files from tmp/ (narrow w/ tmp:sessions:clear, tmp:cache:clear, tmp:sockets:clear)"
-  task clear: [ "tmp:sessions:clear",  "tmp:cache:clear", "tmp:sockets:clear"]
+  desc "Clear cache and socket files from tmp/ (narrow w/ tmp:cache:clear, tmp:sockets:clear)"
+  task clear: ["tmp:cache:clear", "tmp:sockets:clear"]
 
-  tmp_dirs = [ 'tmp/sessions',
-               'tmp/cache',
+  tmp_dirs = [ 'tmp/cache',
                'tmp/sockets',
                'tmp/pids',
                'tmp/cache/assets/development',
@@ -15,13 +14,6 @@ namespace :tmp do
   desc "Creates tmp directories for sessions, cache, sockets, and pids"
   task create: tmp_dirs
 
-  namespace :sessions do
-    # desc "Clears all files in tmp/sessions"
-    task :clear do
-      FileUtils.rm(Dir['tmp/sessions/[^.]*'])
-    end
-  end
-
   namespace :cache do
     # desc "Clears all files and directories in tmp/cache"
     task :clear do