Allow helpers to report in "list" command that the ref is unchanged

[git/git.git] / Documentation / git-remote-helpers.txt

diff --git a/Documentation/git-remote-helpers.txt b/Documentation/git-remote-helpers.txt
index d6c5268..f4b6a5a 100644 (file)
--- a/Documentation/git-remote-helpers.txt
+++ b/Documentation/git-remote-helpers.txt
@@ -84,7 +84,9 @@ CAPABILITIES
 REF LIST ATTRIBUTES
 -------------------
 
-None are defined yet, but the caller must accept any which are supplied.
+'unchanged'::
+       This ref is unchanged since the last import or fetch, although
+       the helper cannot necessarily determine what value that produced.
 
 Documentation
 -------------