Function pre_push_hook_feed_stdin

transport.c:1337–1371

};

static int pre_push_hook_feed_stdin(int hook_stdin_fd, void *pp_cb UNUSED, void *pp_task_cb)
{
	struct feed_pre_push_hook_data *data = pp_task_cb;
	const struct ref *r = data->refs;
	int ret = 0;

	if (!r)
		return 1; /* no more refs */

	data->refs = r->next;

	switch (r->status) {
	case REF_STATUS_REJECT_NONFASTFORWARD:
	case REF_STATUS_REJECT_REMOTE_UPDATED:
	case REF_STATUS_REJECT_STALE:
	case REF_STATUS_UPTODATE:
		return 0; /* skip refs which won't be pushed */
	default:
		break;
	}

	if (!r->peer_ref)
		return 0;

	strbuf_reset(&data->buf);
	strbuf_addf(&data->buf, "%s %s %s %s\n",
		    r->peer_ref->name, oid_to_hex(&r->new_oid),
		    r->name, oid_to_hex(&r->old_oid));

	ret = write_in_full(hook_stdin_fd, data->buf.buf, data->buf.len);
	if (ret < 0 && errno != EPIPE)
		return ret; /* We do not mind if a hook does not read all refs. */

	return 0;
}

static void *pre_push_hook_data_alloc(void *feed_pipe_ctx)
{