From: Sean Devlin <spd@toadstyle.org>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: 69085@debbugs.gnu.org
Subject: bug#69085: 29.2; Tramp: Extend tramp-make-copy-program-file-name via tramp-methods
Date: Mon, 12 Feb 2024 16:51:35 -0500 [thread overview]
Message-ID: <76B2D222-939F-4096-AFA5-2B0AA92A9A03@toadstyle.org> (raw)
In-Reply-To: <875xytjsfw.fsf@gmx.de>
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Hi Michael,
> On Feb 12, 2024, at 4:14 PM, Michael Albinus <michael.albinus@gmx.de> wrote:
>
> Sean Devlin <spd@toadstyle.org <mailto:spd@toadstyle.org>> writes:
>
>> Hi folks,
>
> Hi Sean,
>
>> 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@HOST:FILE.
>
> No. USER@HOST:FILE is only taken if the remote file name contains a
> user. Otherwise, it takes
> HOST:FILE.
You’re correct, my mistake.
>
>> 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.
>
> Could you pls show your custom method spec, and what
> tramp-copy-format-file-name returns for it?
Tramp-copy-format-file-name was just a proposal for how this feature might
work; it doesn’t exist in my own custom method spec.
The copy parameters for my method look like so:
(defconst tramp-mymethod
'("mymethod"
...
(tramp-copy-program “my-copy-program")
(tramp-copy-args
((“-id" "%h")))))
Invocations of the copy program look like:
my-copy-program -id HOST SRC-FILE DEST-FILE
The HOST is not a DNS name in this case; instead, it’s an identifier for a sort of
abstract container.
For SRC-FILE and DEST-FILE, “remote” file paths just have a fixed prefix string,
i.e. it’s not dependent on the “host” name or the user.
So all I really need is a way to format “remote” file paths like:
(format "myprefix:%s" localname)
The current hack I use to implement this is to advise tramp-make-copy-file-name
as described in my other message.
Thanks for your help!
>
>> Thanks!
>
> Best regards, Michael.
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next prev parent reply other threads:[~2024-02-12 21:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-12 20:08 bug#69085: 29.2; Tramp: Extend tramp-make-copy-program-file-name via tramp-methods Sean Devlin
[not found] ` <handler.69085.B.17077686248331.ack@debbugs.gnu.org>
2024-02-12 20:14 ` bug#69085: Acknowledgement (29.2; Tramp: Extend tramp-make-copy-program-file-name via tramp-methods) Sean Devlin
2024-02-12 21:16 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-12 21:14 ` bug#69085: 29.2; Tramp: Extend tramp-make-copy-program-file-name via tramp-methods Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-12 21:51 ` Sean Devlin [this message]
2024-02-13 12:18 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-13 20:18 ` Sean Devlin
2024-02-14 6:59 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-15 0:57 ` Sean Devlin
2024-02-16 14:54 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-16 17:51 ` Sean Devlin
2024-02-17 17:57 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-19 19:19 ` Sean Devlin
2024-02-20 12:04 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-02-20 16:15 ` Sean Devlin
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