From 9aa807cc68791d0f95aa718583c808876ae3a10a Mon Sep 17 00:00:00 2001
From: cam song <neosoyn@gmail.com>
Date: Tue, 20 May 2014 20:04:33 +0800
Subject: Distinguish rake assets:clobber from rake assets:clean

---
 guides/source/command_line.md | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/guides/source/command_line.md b/guides/source/command_line.md
index 756c8f8b51..12bd67a07d 100644
--- a/guides/source/command_line.md
+++ b/guides/source/command_line.md
@@ -355,7 +355,8 @@ To get the full backtrace for running rake task you can pass the option
 ```bash
 $ rake --tasks
 rake about              # List versions of all Rails frameworks and the environment
-rake assets:clean       # Remove compiled assets
+rake assets:clean       # Remove old compiled assets
+rake assets:clobber     # Remove compiled assets
 rake assets:precompile  # Compile all the assets named in config.assets.precompile
 rake db:create          # Create the database from config/database.yml for the current Rails.env
 ...
@@ -393,7 +394,9 @@ Database schema version   20110805173523
 
 ### `assets`
 
-You can precompile the assets in `app/assets` using `rake assets:precompile` and remove those compiled assets using `rake assets:clean`.
+You can precompile the assets in `app/assets` using `rake assets:precompile`, and remove older compiled assets using `rake assets:clean`. The `assets:clean` task allows for rolling deploys that may still be linking to an old asset while the new assets are being built.
+
+If you want to clear `public/assets` completely, you can use `rake assets:clobber`.
 
 ### `db`
 
-- 
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