From 9612dd9dc68e232f5e407a18b63f3a4537c3bf51 Mon Sep 17 00:00:00 2001
From: Jamis Buck <jamis@37signals.com>
Date: Fri, 31 Aug 2007 05:29:10 +0000
Subject: [PATCH] Don't let a task trigger itself when used as the source for
 an "on" hook (closes #9356)

git-svn-id: http://svn.rubyonrails.org/rails/tools/capistrano@7381 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 CHANGELOG                  | 2 ++
 lib/capistrano/callback.rb | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index 3af0da76c..4ab100746 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Don't let a task trigger itself when used as the source for an "on" hook [Jamis Buck]
+
 * Avoid using the --password switch with subversion for security purposes [sentinel]
 
 * Add version_dir, current_dir, and shared_dir variables for naming the directories used in deployment [drinkingbird]
diff --git a/lib/capistrano/callback.rb b/lib/capistrano/callback.rb
index f2dfb4884..deba05bc4 100644
--- a/lib/capistrano/callback.rb
+++ b/lib/capistrano/callback.rb
@@ -37,5 +37,9 @@ def initialize(config, source, options={})
     def call
       config.find_and_execute_task(source)
     end
+
+    def applies_to?(task)
+      super && (task.nil? || task.fully_qualified_name != source.to_s)
+    end
   end
 end
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