Disabling Tramp

Disabling Tramp

[Guy Gascoigne - Piggford]

Using a build of cvs emacs, is there a simple way to disable tramp?  I 
just want to use ange-ftp (it was all set up and I really don't want to 
bother getting a cygwin ssh up and running on NT) but every time I try 
to open a file using something like

/user@host/tmp/foo

I start getting errors about not finding ssh.

And I can't remember if there is a way to unload a module once it's been 
required.

Thanks - Guy

Re: Disabling Tramp

[Michael Albinus]

Guy Gascoigne - Piggford <guy@wyrdrune.com> writes:

> Using a build of cvs emacs, is there a simple way to disable tramp?  I 
> just want to use ange-ftp.

Unloading Tramp wouldn't be sufficient because of the associated
autoloads. Instead of, you might declare this:

(setq tramp-default-method "ftp")

Tramp will pass all file operations to ange-ftp then.

> Thanks - Guy

Best regards, Michael.

Re: Disabling Tramp

[Kim F. Storm]

Michael Albinus <michael.albinus@gmx.de> writes:

>> Using a build of cvs emacs, is there a simple way to disable tramp?  I 
>> just want to use ange-ftp.
>
> Unloading Tramp wouldn't be sufficient because of the associated
> autoloads. Instead of, you might declare this:
>
> (setq tramp-default-method "ftp")
>
> Tramp will pass all file operations to ange-ftp then.

Wouldn't it be good to mention this in etc/NEWS?

BTW, would it be possible to mention _why_ tramp is better than
ange-ftp...?

-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk

Re: Disabling Tramp

[Kai Großjohann]

storm@cua.dk (Kim F. Storm) writes:

> BTW, would it be possible to mention _why_ tramp is better than
> ange-ftp...?

I think that's difficult because Tramp isn't better.  It does a
different job.

Tramp consists of three parts.

One part groks filenames of the form "/method:user@host:/some/file"
and delegates the real work to backends based on the method.  As an
added value, you can omit the method, and then it will choose a
default method based on the user and the host.  One of the backends it
knows about is ange-ftp.

The second part is a backend which uses smbclient to access the files.

The third part is a backend which uses a remote login program to
access the files.

The added value for using Ange-FTP together with Tramp is that this
provides a unified filename syntax for remote files, regardless of how
the remote system is accessed.

One can remove the Tramp entries from file-name-handler-alist and
re-add the Ange-FTP entries there.  But it's also possible to just
type "/ftp:user@host:/some/file" as the filename, or to set
tramp-default-method, as Michael mentioned.

Kai

Re: Disabling Tramp

[Kim F. Storm]

kai@emptydomain.de (Kai Großjohann) writes:

> storm@cua.dk (Kim F. Storm) writes:
>
>> BTW, would it be possible to mention _why_ tramp is better than
>> ange-ftp...?
>
> I think that's difficult because Tramp isn't better.  It does a
> different job.

The way I see it, it does the same job (access remote files), but has
more ways (as you mention) to do it than ange-ftp.

> One can remove the Tramp entries from file-name-handler-alist and
> re-add the Ange-FTP entries there.  But it's also possible to just
> type "/ftp:user@host:/some/file" as the filename, or to set
> tramp-default-method, as Michael mentioned.

Setting tramp-default-method is cleary the easiest way, so it might
be good to mention just that in NEWS.

-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk

Re: Disabling Tramp

[Kevin Rodgers]

Kai Gro?johann wrote:
 > One can remove the Tramp entries from file-name-handler-alist and
 > re-add the Ange-FTP entries there.  But it's also possible to just
 > type "/ftp:user@host:/some/file" as the filename, or to set
 > tramp-default-method, as Michael mentioned.

It's generally agreed that the user should be able to enable and disable
features at will.  Should Tramp be a global minor mode a la
auto-compression-mode and auto-image-file-mode?

-- 
Kevin Rodgers

Re: Disabling Tramp

[Richard Stallman]

    It's generally agreed that the user should be able to enable and disable
    features at will.  Should Tramp be a global minor mode a la
    auto-compression-mode and auto-image-file-mode?

There is no general rule that every Emacs feature needs a minor mode
to enable and disable it.  Is there sufficient interest in disabling
Tramp to make this worth the trouble (for us and for the users)?

However, I agree it would be good to document *somewhere* how to
do this.

Re: Disabling Tramp

[Kai Großjohann]

Kevin Rodgers <ihs_4664@yahoo.com> writes:

> Kai Gro?johann wrote:
>> One can remove the Tramp entries from file-name-handler-alist and
>> re-add the Ange-FTP entries there.  But it's also possible to just
>> type "/ftp:user@host:/some/file" as the filename, or to set
>> tramp-default-method, as Michael mentioned.
>
> It's generally agreed that the user should be able to enable and disable
> features at will.  Should Tramp be a global minor mode a la
> auto-compression-mode and auto-image-file-mode?

Disabling Ange-FTP works the same as disabling Tramp: You can remove
the entry from file-name-handler-alist, or you can prefix the filename
with "/:".

Are you mentioning this now because you believe that Tramp is somehow
different?  Could you explain what makes it different?

Or is it just a coincidence that you thought of it now?

Kai

Re: Disabling Tramp

[Kevin Rodgers]

Kai Gro?johann wrote:
 > Kevin Rodgers <ihs_4664@yahoo.com> writes:
 >>It's generally agreed that the user should be able to enable and disable
 >>features at will.  Should Tramp be a global minor mode a la
 >>auto-compression-mode and auto-image-file-mode?
 >
 > Disabling Ange-FTP works the same as disabling Tramp: You can remove
 > the entry from file-name-handler-alist, or you can prefix the filename
 > with "/:".
 >
 > Are you mentioning this now because you believe that Tramp is somehow
 > different?  Could you explain what makes it different?

Not different, just difficult -- as difficult as ange-ftp:

(setq file-name-handler-alist
       (delq (rassq 'ange-ftp-hook-function file-name-handler-alist)
             file-name-handler-alist))
(setq file-name-handler-alist
       (delq (rassq 'ange-ftp-completion-hook-function 
file-name-handler-alist)
             file-name-handler-alist))

I think users who want to disable ange-ftp would appreciate having that
wrapped in a command, plus a command to re-enable it.  And similarly for
Tramp.

-- 
Kevin Rodgers

Re: Disabling Tramp

[Michael Albinus]

storm@cua.dk (Kim F. Storm) writes:

>> Tramp will pass all file operations to ange-ftp then.
>
> Wouldn't it be good to mention this in etc/NEWS?

done.

> BTW, would it be possible to mention _why_ tramp is better than
> ange-ftp...?

I believe the NEWS file does it already.

Best regards, Michael.

Re: Disabling Tramp

[Guy Gascoigne - Piggford]

Thank you, that setting did exactly what I wanted.

Guy

Michael Albinus wrote:

>Guy Gascoigne - Piggford <guy@wyrdrune.com> writes:
>
>  
>
>>Using a build of cvs emacs, is there a simple way to disable tramp?  I 
>>just want to use ange-ftp.
>>    
>>
>
>Unloading Tramp wouldn't be sufficient because of the associated
>autoloads. Instead of, you might declare this:
>
>(setq tramp-default-method "ftp")
>
>Tramp will pass all file operations to ange-ftp then.
>
>  
>
>>Thanks - Guy
>>    
>>
>
>Best regards, Michael.
>
>
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