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authorjkrzy <j@jkrzy.com>2017-08-18 13:52:06 -0700
committerTim Graham <timograham@gmail.com>2017-09-02 16:39:07 -0400
commitf9db06cf0812ee017b34bc786e1bf96e40f2327b (patch)
treed9edf227f5e5ee4adfa4e71b2980567611a86bf0
parente921e983876b62f5b8f405e0b8afcdcc1f53d8bb (diff)
[1.11.x] Fixed #28367 -- Doc'd how to override management commands.
Backport of 48d92fea672928b4571ddaab03667e74671391c0 from master
-rw-r--r--docs/howto/custom-management-commands.txt18
1 files changed, 18 insertions, 0 deletions
diff --git a/docs/howto/custom-management-commands.txt b/docs/howto/custom-management-commands.txt
index e6482a0da8..5a091f835e 100644
--- a/docs/howto/custom-management-commands.txt
+++ b/docs/howto/custom-management-commands.txt
@@ -186,6 +186,24 @@ Testing
Information on how to test custom management commands can be found in the
:ref:`testing docs <topics-testing-management-commands>`.
+Overriding commands
+===================
+
+Django registers the built-in commands and then searches for commands in
+:setting:`INSTALLED_APPS` in reverse. During the search, if a command name
+duplicates an already registered command, the newly discovered command
+overrides the first.
+
+In other words, to override a command, the new command must have the same name
+and its app must be before the overridden command's app in
+:setting:`INSTALLED_APPS`.
+
+Management commands from third-party apps that have been unintentionally
+overridden can be made available under a new name by creating a new command in
+one of your project's apps (ordered before the third-party app in
+:setting:`INSTALLED_APPS`) which imports the ``Command`` of the overridden
+command.
+
Command objects
===============