GNU bug report logs - #69085
29.2; Tramp: Extend tramp-make-copy-program-file-name via tramp-methods

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Package: emacs;

Reported by: Sean Devlin <spd <at> toadstyle.org>

Date: Mon, 12 Feb 2024 20:11:01 UTC

Severity: normal

Found in version 29.2

Fixed in version 30.1

Done: Michael Albinus <michael.albinus <at> gmx.de>

Bug is archived. No further changes may be made.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Sean Devlin <spd <at> toadstyle.org>
Subject: bug#69085: closed (Re: bug#69085: 29.2; Tramp: Extend
 tramp-make-copy-program-file-name via tramp-methods)
Date: Tue, 20 Feb 2024 12:05:02 +0000
[Message part 1 (text/plain, inline)]
Your bug report

#69085: 29.2; Tramp: Extend tramp-make-copy-program-file-name via tramp-methods

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 69085 <at> debbugs.gnu.org.

-- 
69085: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=69085
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems
[Message part 2 (message/rfc822, inline)]
From: Michael Albinus <michael.albinus <at> gmx.de>
To: Sean Devlin <spd <at> toadstyle.org>
Cc: 69085-done <at> debbugs.gnu.org
Subject: Re: bug#69085: 29.2; Tramp: Extend
 tramp-make-copy-program-file-name via tramp-methods
Date: Tue, 20 Feb 2024 13:04:00 +0100
Version: 30.1

Sean Devlin <spd <at> toadstyle.org> writes:

> Hi Michael,

Hi Sean,

>> I see your point. Appended is a new patch, which addresses your
>> inconvenience. Could you pls apply it on top of Tramp 2.7 instead of the
>> other patch? The method "dockercp" allows now user names, which are
>> ignored when calling "docker cp ...".
>
> This works perfectly! I see no issues with this patch.

Thanks for the feedback.

Over the weekend, I ran Tramp regression tests. There were still some
minor annoyances with the new methods, but that's fixed now.

I've pushed an extended version of the patch to the repositories. Will
be available with Tramp 2.7.1 and Emacs 30.1.

Closing the bug.

> Thanks for spending so much time on this, I really appreciate your help!
>
> Sean

Best regards, Michael.

[Message part 3 (message/rfc822, inline)]
From: Sean Devlin <spd <at> toadstyle.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.2; Tramp: Extend tramp-make-copy-program-file-name via
 tramp-methods
Date: Mon, 12 Feb 2024 15:08:46 -0500
Hi folks,

This is a feature request.

Tramp lets you define a method for out-of-band file copying with the
tramp-methods keys tramp-copy-program, tramp-copy-args, and so on.

Currently, there is no way to customize the format of remote file
paths. The function tramp-make-copy-program-file-name is responsible for
this job, and it is hard-coded to format files as USER <at> HOST:FILE.

I was working on a custom Tramp method, and I ran into problems setting
up OOB copying due to this limitation.

It would be great if there were a key you could set in tramp-methods to
override this logic. For example, maybe something like:

(tramp-copy-format-file-name my-tramp-make-copy-program-file-name)

Where my-tramp-make-copy-program-file-name is a function taking a vector
as input and returning a string of the formatted file name (similar to
tramp-make-copy-program-file-name).

Alternately, maybe a format string (or something similar to
tramp-login-args/tramp-copy-args) would be sufficient. In my case, I
just need to add a constant prefix to the remote file name, so a format
string would be fine.

Thanks!

In GNU Emacs 29.2 (build 1, aarch64-apple-darwin21.6.0, NS
appkit-2113.60 Version 12.6.6 (Build 21G646)) of 2024-01-18 built on
armbob.lan
Windowing system distributor 'Apple'
System Description:  macOS 14

Configured using:
'configure --with-ns '--enable-locallisppath=/Library/Application
Support/Emacs/${version}/site-lisp:/Library/Application
Support/Emacs/site-lisp' --with-modules 'CFLAGS=-DFD_SETSIZE=10000
-DDARWIN_UNLIMITED_SELECT' --with-x-toolkit=no'

Configured features:
ACL GLIB GMP GNUTLS JPEG JSON LIBXML2 MODULES NOTIFY KQUEUE NS PDUMPER
PNG RSVG SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
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Load-path shadows:
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Features:
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Memory information:
((conses 16 37536 8456)
(symbols 48 5045 0)
(strings 32 13121 2410)
(string-bytes 1 398579)
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(vector-slots 8 162386 14885)
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This bug report was last modified 1 year and 184 days ago.

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