Merge branch 'mv/defer-gc'

* mv/defer-gc:
  contrib/hooks: add an example pre-auto-gc hook
  Documentation/hooks: add pre-auto-gc hook
  git-gc --auto: add pre-auto-gc hook

1 files changed, 7 insertions, 0 deletions

diff --git a/Documentation/hooks.txt b/Documentation/hooks.txt
index 76b8d77460..44fbe58f20 100644
--- a/Documentation/hooks.txt
+++ b/Documentation/hooks.txt
@@ -276,3 +276,10 @@ probably enable this hook.
 Both standard output and standard error output are forwarded to
 `git-send-pack` on the other end, so you can simply `echo` messages
 for the user.
+
+pre-auto-gc
+-----------
+
+This hook is invoked by `git-gc --auto`. It takes no parameter, and
+exiting with non-zero status from this script causes the `git-gc --auto`
+to abort.