Cut down on tasks shown in rake -T

railties/lib/rails/tasks/annotations.rake

 require 'rails/source_annotation_extractor'
 
-desc "Enumerate all annotations"
+desc "Enumerate all annotations (use notes:optimize, :fixme, :todo for focus)"
 task :notes do
   SourceAnnotationExtractor.enumerate "OPTIMIZE|FIXME|TODO", :tag => true
 end
 
 namespace :notes do
   ["OPTIMIZE", "FIXME", "TODO"].each do |annotation|
-    desc "Enumerate all #{annotation} annotations"
+    # desc "Enumerate all #{annotation} annotations"
     task annotation.downcase.intern do
       SourceAnnotationExtractor.enumerate annotation
     end

railties/lib/rails/tasks/documentation.rake

@@ -79,7 +79,7 @@ namespace :doc do
     rm_rf 'doc/plugins' rescue nil
   end
 
-  desc "Generate Rails guides"
+  desc "Generate Rails Guides"
   task :guides do
     # FIXME: Reaching outside lib directory is a bad idea
     require File.expand_path('../../../../guides/rails_guides', __FILE__)

railties/lib/rails/tasks/framework.rake

 namespace :rails do
   namespace :freeze do
-    desc "The rails:freeze:gems is deprecated, please use bundle install instead"
+    # desc "The rails:freeze:gems is deprecated, please use bundle install instead"
     task :gems do
       abort "The rails:freeze:gems is deprecated, please use bundle install instead"
     end
 
-    desc 'The freeze:edge command has been deprecated, specify the path setting in your app Gemfile instead and bundle install'
+    # desc 'The freeze:edge command has been deprecated, specify the path setting in your app Gemfile instead and bundle install'
     task :edge do
       abort 'The freeze:edge command has been deprecated, specify the path setting in your app Gemfile instead and bundle install'
     end
   end
 
-  desc 'The unfreeze command has been deprecated, please use bundler commands instead'
+  # desc 'The unfreeze command has been deprecated, please use bundler commands instead'
   task :unfreeze do
     abort 'The unfreeze command has been deprecated, please use bundler commands instead'
   end
 
-  desc "Update both configs, scripts and public/javascripts from Rails"
+  desc "Update both configs and public/javascripts from Rails (or use just update:javascripts or update:configs)"
   task :update => [ "update:configs", "update:javascripts", "update:scripts", "update:application_controller" ]
 
   desc "Applies the template supplied by LOCATION=/path/to/template"
@@ -31,7 +31,7 @@ namespace :rails do
   end
 
   namespace :templates do
-    desc "Copy all the templates from rails to the application directory for customization. Already existing local copies will be overwritten"
+    # desc "Copy all the templates from rails to the application directory for customization. Already existing local copies will be overwritten"
     task :copy do
       generators_lib = File.expand_path("../../generators", __FILE__)
       project_templates = "#{Rails.root}/lib/templates"
@@ -69,23 +69,23 @@ namespace :rails do
       end
     end
 
-    desc "Update config/boot.rb from your current rails install"
+    # desc "Update config/boot.rb from your current rails install"
     task :configs do
       invoke_from_app_generator :create_boot_file
       invoke_from_app_generator :create_config_files
     end
 
-    desc "Update Prototype javascripts from your current rails install"
+    # desc "Update Prototype javascripts from your current rails install"
     task :javascripts do
       invoke_from_app_generator :create_prototype_files
     end
 
-    desc "Adds new scripts to the application script/ directory"
+    # desc "Adds new scripts to the application script/ directory"
     task :scripts do
       invoke_from_app_generator :create_script_files
     end
 
-    desc "Rename application.rb to application_controller.rb"
+    # desc "Rename application.rb to application_controller.rb"
     task :application_controller do
       old_style = Rails.root + '/app/controllers/application.rb'
       new_style = Rails.root + '/app/controllers/application_controller.rb'

railties/lib/rails/tasks/misc.rake

@@ -7,7 +7,7 @@ task :rails_env do
   end
 end
 
-desc 'Generate a crytographically secure secret key. This is typically used to generate a secret for cookie sessions.'
+desc 'Generate a crytographically secure secret key (rhis is typically used to generate a secret for cookie sessions).'
 task :secret do
   require 'active_support/secure_random'
   puts ActiveSupport::SecureRandom.hex(64)
@@ -20,17 +20,17 @@ end
 
 namespace :time do
   namespace :zones do
-    desc 'Displays names of all time zones recognized by the Rails TimeZone class, grouped by offset. Results can be filtered with optional OFFSET parameter, e.g., OFFSET=-6'
+    desc 'Displays all time zones, also available: time:zones:us, time:zones:local -- filter with OFFSET parameter, e.g., OFFSET=-6'
     task :all do
       build_time_zone_list(:all)
     end
 
-    desc 'Displays names of US time zones recognized by the Rails TimeZone class, grouped by offset. Results can be filtered with optional OFFSET parameter, e.g., OFFSET=-6'
+    # desc 'Displays names of US time zones recognized by the Rails TimeZone class, grouped by offset. Results can be filtered with optional OFFSET parameter, e.g., OFFSET=-6'
     task :us do
       build_time_zone_list(:us_zones)
     end
 
-    desc 'Displays names of time zones recognized by the Rails TimeZone class with the same offset as the system local time'
+    # desc 'Displays names of time zones recognized by the Rails TimeZone class with the same offset as the system local time'
     task :local do
       require 'active_support'
       require 'active_support/time'

railties/lib/rails/tasks/tmp.rake

 namespace :tmp do
-  desc "Clear session, cache, and socket files from tmp/"
+  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 "Creates tmp directories for sessions, cache, sockets, and pids"
@@ -8,28 +8,28 @@ namespace :tmp do
   end
 
   namespace :sessions do
-    desc "Clears all files in tmp/sessions"
+    # 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"
+    # desc "Clears all files and directories in tmp/cache"
     task :clear do
       FileUtils.rm_rf(Dir['tmp/cache/[^.]*'])
     end
   end
 
   namespace :sockets do
-    desc "Clears all files in tmp/sockets"
+    # desc "Clears all files in tmp/sockets"
     task :clear do
       FileUtils.rm(Dir['tmp/sockets/[^.]*'])
     end
   end
 
   namespace :pids do
-    desc "Clears all files in tmp/pids"
+    # desc "Clears all files in tmp/pids"
     task :clear do
       FileUtils.rm(Dir['tmp/pids/[^.]*'])
     end