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Buck) Newsgroups: gmane.emacs.bugs Subject: bug#41201: 26.1; tar-mode-show-date prints middle-endian dates despite TIME_STYLE=long-iso Date: Tue, 12 May 2020 14:40:02 +1000 Message-ID: <87ftc5n4v1.fsf@goll.lan> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="27233"; mail-complaints-to="usenet@ciao.gmane.io" To: 41201@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue May 12 06:41:12 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jYMjA-00071D-Ip for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 12 May 2020 06:41:12 +0200 Original-Received: from localhost ([::1]:39042 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jYMj9-0004sk-A3 for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 12 May 2020 00:41:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38596) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jYMj0-0004sc-WE for bug-gnu-emacs@gnu.org; Tue, 12 May 2020 00:41:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:42355) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jYMj0-0000SE-MH for bug-gnu-emacs@gnu.org; Tue, 12 May 2020 00:41:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jYMj0-0006dI-KV for bug-gnu-emacs@gnu.org; Tue, 12 May 2020 00:41:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: trentbuck@gmail.com (Trent W. Buck) Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 12 May 2020 04:41:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 41201 X-GNU-PR-Package: emacs X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.158925841225422 (code B ref -1); Tue, 12 May 2020 04:41:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 12 May 2020 04:40:12 +0000 Original-Received: from localhost ([127.0.0.1]:53901 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jYMiC-0006by-Dg for submit@debbugs.gnu.org; Tue, 12 May 2020 00:40:12 -0400 Original-Received: from lists.gnu.org ([209.51.188.17]:44306) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jYMiB-0006br-Mk for submit@debbugs.gnu.org; Tue, 12 May 2020 00:40:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38518) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jYMiA-0004lB-TE for bug-gnu-emacs@gnu.org; Tue, 12 May 2020 00:40:11 -0400 Original-Received: from mail-pl1-x62b.google.com ([2607:f8b0:4864:20::62b]:39444) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jYMi9-0000Ab-7i for bug-gnu-emacs@gnu.org; Tue, 12 May 2020 00:40:10 -0400 Original-Received: by mail-pl1-x62b.google.com with SMTP id s20so4848375plp.6 for ; Mon, 11 May 2020 21:40:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version; bh=1asY5qFJgaTVeSBJRJ2cx5jSGQ/COvtKKGnsfBcO3ds=; b=GCGxR68dHE5isX5cLqN714fflouW5qf4l2srN7n3p9wkY6Psv1MqaFU4cRGN1t/EMi LUBAPvF9bA1D4KLIoTA9QKVkPU+77AF5Kf+cBUuswqhFang9iqv1+WpmRzrY7CcG2Bj+ vzDxzrRdFnAIuXj+Jh9zCLk68BJmYc9KnWcsYlb0CShcUyEkJAwBPoPkC9L1vxHzyebK dMwhkCPj20QqHBrzAYSECTWgR76EnmuiNw3IcKXQHYYFD7y/tDdDFmyUkn2JJYMXWx3W dP0LDBmdq/wW9BLxf/BGzDQd4mUpe7sAEJpHDNylVHWlWaP1UoGZ7e5xtHLIeVODBjum S0tQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version; bh=1asY5qFJgaTVeSBJRJ2cx5jSGQ/COvtKKGnsfBcO3ds=; b=Wl/kKB7ToSUsynmV6ZXD2V4qbWJdw+GxozyWdIWpKRtGg+Mp60gd6B19Qb7Y47VDyi AlBvhWqgKxqPdwuh59Lu1J1xdaul0TlLx2V47vNL3SO+zooDTsYX0TDABEnn51v+j2Sr wsUqCnzBOp/VIrNuRPRmqPu4eCILTQrEyksMbcDKlFJv4G69M3mFG5GYwc6NTpb13p6z W97q8K/5tCsRK8kcJG+mtQ7srKm4mnGP+AY6PVtjP25FGW7pEf8WvN/4v7j/iRbVBiDK ozVRof8S5O7R8KhtvYs1QKrpajPRrwnsc0KuSOh9/EJxTfYh7++eujJ0IlSfYCwfZXsr xNpQ== X-Gm-Message-State: AGi0PuZ2wR5WTGarOcN23B70l3LnINcJojCJA3YNPJ0Nq16gRSzUOB1G yx65XkIB/7iHp6YpYjOxBAfcdBrQ X-Google-Smtp-Source: APiQypIjgWXq9Y/2tTJHixqcpOKqctDlzaQMIuJRYgGO2KmYrQ9Dq8rJJ/F5giIb7P2wrKjLF2pYpg== X-Received: by 2002:a17:90a:f108:: with SMTP id cc8mr26801412pjb.198.1589258406323; Mon, 11 May 2020 21:40:06 -0700 (PDT) Original-Received: from localhost ([203.7.155.117]) by smtp.gmail.com with ESMTPSA id k27sm9222709pgb.30.2020.05.11.21.40.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2020 21:40:05 -0700 (PDT) Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=trentbuck@gmail.com; helo=mail-pl1-x62b.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:180094 Archived-At: This is a minor issue. Middle-endian ("US style") dates confuse me. I set TIME_STYLE=long-iso so I won't have to deal with them. This works for GNU ls and GNU tar: bash5$ touch x; ls -l x; tar cf x.tar x; tar tvf x.tar -rw-r--r-- 1 twb twb 0 2020-05-12 14:32 x -rw-r--r-- twb/twb 0 2020-05-12 14:32 x This doesn't work for tar-mode, because it processes tarballs using native elisp: bash5$ emacs -Q -eval '(setq-default tar-mode-show-date t)' x.tar -rw-r--r-- twb/twb 0 May 12 14:33 2020 x The responsible code appears to be tar-clip-time-string which appears to munge the output of CURRENT-TIME-STRING: (defun tar-clip-time-string (time) (let ((str (current-time-string time))) (concat " " (substring str 4 16) (format-time-string " %Y" time)))) Where CURRENT-TIME-STRING appears to be hard-coded to a format. That format matches neither GNU "date --rfc-email" (little-endian) nor GNU "date --rfc-3339=seconds" (big-endian). Surely emacs already supports locale-appropriate timestamps somewhere? Please hook up tar-mode to use that code. PS: see also "locale -k date_fmt", which these days seems to be the same for me (en_AU.UTF-8) and the default (C.UTF-8), hence why I use TIME_STYLE.