merge-recursive: use find_commit_subject() instead of custom code

diff --git a/Documentation/git-gc.txt b/Documentation/git-gc.txt
index 189573a3b3d459822b465d39db2f90001ffc98d3..cbe74d531af500c0e47e158830474907556a15db 100644 (file)
--- a/Documentation/git-gc.txt
+++ b/Documentation/git-gc.txt
@@ -127,6 +127,13 @@ If you are expecting some objects to be collected and they aren't, check
 all of those locations and decide whether it makes sense in your case to
 remove those references.
 
+HOOKS
+-----
+
+The 'git gc --auto' command will run the 'pre-auto-gc' hook.  See
+linkgit:githooks[5] for more information.
+
+
 SEE ALSO
 --------
 linkgit:git-prune[1]