From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Glenn Morris Newsgroups: gmane.emacs.bugs Subject: bug#30943: save-hist creates massive cache file Date: Tue, 27 Mar 2018 15:12:51 -0400 Message-ID: References: <83o9jag9wg.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1522177944 28237 195.159.176.226 (27 Mar 2018 19:12:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 27 Mar 2018 19:12:24 +0000 (UTC) User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) Cc: 30943@debbugs.gnu.org, Chris Findeisen To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Mar 27 21:12:20 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f0u15-0007F2-OC for geb-bug-gnu-emacs@m.gmane.org; Tue, 27 Mar 2018 21:12:19 +0200 Original-Received: from localhost ([::1]:35713 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f0u39-0000WJ-8M for geb-bug-gnu-emacs@m.gmane.org; Tue, 27 Mar 2018 15:14:27 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34396) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f0u2l-0008Rg-7J for bug-gnu-emacs@gnu.org; Tue, 27 Mar 2018 15:14:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f0u2k-00014Q-6D for bug-gnu-emacs@gnu.org; Tue, 27 Mar 2018 15:14:03 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:48353) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f0u2k-00014C-2M for bug-gnu-emacs@gnu.org; Tue, 27 Mar 2018 15:14:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1f0u2j-00088s-QC for bug-gnu-emacs@gnu.org; Tue, 27 Mar 2018 15:14:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Glenn Morris Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 27 Mar 2018 19:14:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 30943 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 30943-submit@debbugs.gnu.org id=B30943.152217798431225 (code B ref 30943); Tue, 27 Mar 2018 19:14:01 +0000 Original-Received: (at 30943) by debbugs.gnu.org; 27 Mar 2018 19:13:04 +0000 Original-Received: from localhost ([127.0.0.1]:56250 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f0u1n-00087Z-Va for submit@debbugs.gnu.org; Tue, 27 Mar 2018 15:13:04 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:42979) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f0u1l-000873-Sh for 30943@debbugs.gnu.org; Tue, 27 Mar 2018 15:13:02 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f0u1f-0000VY-Ue for 30943@debbugs.gnu.org; Tue, 27 Mar 2018 15:12:56 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:54213) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f0u1e-0000UV-Bs; Tue, 27 Mar 2018 15:12:54 -0400 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1f0u1b-0003q1-J4; Tue, 27 Mar 2018 15:12:51 -0400 X-Spook: class struggle offensive information warfare outage X-Ran: FOjK}*0chD:uK1Rma_?D.}GdEVdKx6QfI{oK`j_s0m?'x-pR679:0&J1cR X-Hue: white X-Attribution: GM In-Reply-To: <83o9jag9wg.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 26 Mar 2018 17:59:43 +0300") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:144656 Archived-At: Eli Zaretskii wrote: > Save-hist doesn't truncate any variables except the ones it knows > about, because it cannot be sure that truncating some list might leave > the variable with an invalid value. savehist doesn't truncate anything AFAICS. It just assumes variables are trimmed by add-to-history etc in the course of normal operation. So if you add a non-history variable to savehist (or set history-length to t), it will eventually blow up.