Merge branch 'ar/config-hook-cleanups'

Code clean-up around the recent "hooks defined in config" topic.

* ar/config-hook-cleanups:
  hook: reject unknown hook names in git-hook(1)
  hook: show disabled hooks in "git hook list"
  hook: show config scope in git hook list
  hook: introduce hook_config_cache_entry for per-hook data
  t1800: add test to verify hook execution ordering
  hook: make consistent use of friendly-name in docs
  hook: replace hook_list_clear() -> string_list_clear_func()
  hook: detect & emit two more bugs
  hook: rename cb_data_free/alloc -> hook_data_free/alloc
  hook: fix minor style issues
  builtin/receive-pack: properly init receive_hook strbuf
  hook: move unsorted_string_list_remove() to string-list.[ch]

1 files changed, 2 insertions, 1 deletions

diff --git a/refs.c b/refs.c
index 685a0c247b..5d1d28523d 100644
--- a/refs.c
+++ b/refs.c
@@ -2595,7 +2595,8 @@ static int transaction_hook_feed_stdin(int hook_stdin_fd, void *pp_cb, void *pp_
 
 static void *transaction_feed_cb_data_alloc(void *feed_pipe_ctx UNUSED)
 {
-	struct transaction_feed_cb_data *data = xmalloc(sizeof(*data));
+	struct transaction_feed_cb_data *data;
+	CALLOC_ARRAY(data, 1);
 	strbuf_init(&data->buf, 0);
 	data->index = 0;
 	return data;