From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.bugs Subject: bug#54130: 29.0.50; TRAMP SSHFS can't visit remote files using absolute symlinks Date: Thu, 24 Feb 2022 18:04:04 +0100 Message-ID: References: <87k0dkmgwc.fsf@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4731"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 54130-done@debbugs.gnu.org To: Michael Albinus Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 24 18:07:59 2022 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 1nNHaw-0000zZ-HB for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 24 Feb 2022 18:07:58 +0100 Original-Received: from localhost ([::1]:43456 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nNHav-0003RQ-94 for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 24 Feb 2022 12:07:57 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:59080) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nNHY6-0007EA-7x for bug-gnu-emacs@gnu.org; Thu, 24 Feb 2022 12:05:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:56366) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nNHY5-0004Il-Rd for bug-gnu-emacs@gnu.org; Thu, 24 Feb 2022 12:05:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nNHY5-0003UK-Kl for bug-gnu-emacs@gnu.org; Thu, 24 Feb 2022 12:05:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Philipp Stephani Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 24 Feb 2022 17:05:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 54130 X-GNU-PR-Package: emacs Original-Received: via spool by 54130-done@debbugs.gnu.org id=D54130.164572226313356 (code D ref 54130); Thu, 24 Feb 2022 17:05:01 +0000 Original-Received: (at 54130-done) by debbugs.gnu.org; 24 Feb 2022 17:04:23 +0000 Original-Received: from localhost ([127.0.0.1]:50263 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nNHXS-0003TM-Tf for submit@debbugs.gnu.org; Thu, 24 Feb 2022 12:04:23 -0500 Original-Received: from mail-oi1-f176.google.com ([209.85.167.176]:42818) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nNHXR-0003TA-HK for 54130-done@debbugs.gnu.org; Thu, 24 Feb 2022 12:04:21 -0500 Original-Received: by mail-oi1-f176.google.com with SMTP id a6so3467582oid.9 for <54130-done@debbugs.gnu.org>; Thu, 24 Feb 2022 09:04:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=xfmki0eEZ7GgmdbMzm82QKdMI3FGX45CKg/K8/4WQHs=; b=PliyG2GO/5XRQiMwZKGo6CTNFAFCo2o/3utAnFlk+sTuJjxxv3DWbFLOS3AaCIM5kL ajd+pZbh+xn7drnndL/QMiU46qXJhvTSd5Iu5asgElHLZ7og+oeyhiziZkpILRXNulad s+I/fvQmgnLfhN5wmU1c5UOCJui1xqSr5m7FsRLnM6pYK0TM0usQCj5MLve8majKiKhX 5BALtnr6k/i08zgHDYMjCq7g+W5lIJjb7BAkTG1/C/O7L1virGDWQou1Xmgav+hJYzkZ kHrtMjuMa8sXd4DqFLC0nePT85L3l6Q7PRofOrO4OxPc79KeUh96D0y5LPKEBV8ofXNW nX7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=xfmki0eEZ7GgmdbMzm82QKdMI3FGX45CKg/K8/4WQHs=; b=GzvSWmcIiEE0/KXKfgmmb/fLPqzwqGLLVY+tbavvMQHTcxoCsib95uBjDHoLaF926h yQ/F+gcLa+b+w2Fw4/A/KL+0+3A46ZzeKg8PiX7GrB2NP4h42APp/k0bewLEPhq5E4If rd0N2aghcWmIR25RVymEZV+5E9Cfe2cAhZMEwJBYMUqnJ5YyIN6dX588WMX/s45KEzWz yd9Dau6cKpSjDvTBuZLsFM4Dul4wa8q2+SnyHTIWzrtEAeP53uIbczYgOnLrJXQ9btS8 Xj1P/7YFWoVvQ38fNi7HThlgLMJSUesR0pCZfeioYsxrf33yIjwobirPAR+QSSaawJfI 0VvQ== X-Gm-Message-State: AOAM533b4u7tGVe9yaZqMXj12kCcDw/y3AKYDb7k0GsyQ7rP67Zu3REe OY1sI444D/wwXQiOmbujN+KoPZZbs0JNWwxQqJs= X-Google-Smtp-Source: ABdhPJzhwXSykXgS3fc+6fBohZSAwW6mpgMexIkpLmfagScPDhdixYkCvdOgw/O27yJLJJnzHpzi8U4f+xdh8QDetE8= X-Received: by 2002:a05:6870:46ac:b0:d6:d1d6:f1bc with SMTP id a44-20020a05687046ac00b000d6d1d6f1bcmr1508215oap.29.1645722255741; Thu, 24 Feb 2022 09:04:15 -0800 (PST) In-Reply-To: <87k0dkmgwc.fsf@gmx.de> 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:227588 Archived-At: Am Do., 24. Feb. 2022 um 16:19 Uhr schrieb Michael Albinus : > > Version: 28.2 > > Philipp Stephani writes: > > Hi Philipp, > > > On a remote host REMOTE, create an arbitrary file and an absolute > > symlink to it: > > > > REMOTE$ echo hi > /tmp/a.txt > > REMOTE$ ln -svi /tmp/{a,b}.txt > > > > Visiting the symlink from another host using SSH works as expected: > > > > emacs -Q /ssh:REMOTE:/tmp/b.txt > > > > But the same fails with SSHFS: > > > > emacs -Q /sshfs:REMOTE:/tmp/b.txt > > > > TRAMP prints a message "File exists, but cannot be read", and the buffer > > stays empty. > > SSHFS interprets symbolic links on the local host. An absolute file name > cannot work, therefore. > > I've added ("-o" "transform_symlinks") to the tramp-mount-args of the > sshfs Tramp method. This shall fix it. Pls unmount any sshfs mounts > prior testing, otherwise it wouldn't work. Thanks for the quick fix! Confirmed that it works now on master. > > An alternative would be to use ("-o" "follow_symlinks"). But this has > the disadvantage that symbolic links look like regular files then, so I > haven't used it. Yes, agreed.