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bug#7583: 23.2; ido loads tramp too eagerly
From: |
Michael Albinus |
Subject: |
bug#7583: 23.2; ido loads tramp too eagerly |
Date: |
Wed, 19 Oct 2011 12:04:45 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (gnu/linux) |
Stefan Monnier <monnier@IRO.UMontreal.CA> writes:
>> To e.g "/ssh:" which is an incomplete address
>> and hang indefinitely.
>> Just like when you do C-x C-f and enter in prompt /ssh: and press RET.
>
> I'm beginning to understand. Indeed, I see that C-x C-f /ssh: RET and
> C-x C-f /sudo: RET both behave oddly (they try to connect to hosts `ssh'
> or `sudo'). They don't hang for me, but arguably they should not even
> try to treat the "ssh" or "sudo" as a hostname.
Why that? It is legal to have a hostname "ssh". Anybody can create such
an entry in ~/.ssh/config. Or an alias in /etc/hosts, or a DNS alias.
What we are speaking about is filename completion. If you enter RET, we
do not speak about completion anymore, but opening a file "/ssh:", using
Tramp's default connection method, which ought to be "scp" on GNU/Linux.
> ..Oh, wait, I think I see something interesting:
>
> % emacs -Q
> C-x C-f /ssh: TAB RET RET
> C-x C-f /ssh: TAB
>
> The first C-x C-f just ends up loading Tramp then trying to connect to
> `ssh' and fail, but it also changes something inside Tramp because on
> the second C-x C-f the TAB causes Tramp to try to connect some "default"
> host (apparently it uses the first host in my ~/.ssh/config, and
> subsequent attempts will try subsequent hosts in that file).
>
> We don't want that, and your completion scheme might be bumping into
> this very problem.
Tramp has always the problem to understand what "C-x C-f /ssh: TAB"
means. This is due to the syntactic ambiguity of Tramp's file names
("ssh" can be both in this case, a method or a hostname).
[Side remark: with XEmacs, we use another syntax. There aren't such
problems. But I guess it is much too late to change the syntax for GNU
Emacs.]
I will try to change Tramp's completion algorithm such a way, that in
case "C-x C-f /foo: TAB" is pressed, and "foo" is a method found in
(mapcar 'car tramp-methods), Tramp does not check "foo" being a
hostname. This shall be sufficient for the incrimed case.
> Stefan
Best regards, Michael.
- bug#7583: 23.2; ido loads tramp too eagerly, (continued)
- bug#7583: 23.2; ido loads tramp too eagerly, Michael Albinus, 2011/10/17
- bug#7583: 23.2; ido loads tramp too eagerly, Stefan Monnier, 2011/10/17
- bug#7583: 23.2; ido loads tramp too eagerly, Thierry Volpiatto, 2011/10/17
- bug#7583: 23.2; ido loads tramp too eagerly, Stefan Monnier, 2011/10/17
- bug#7583: 23.2; ido loads tramp too eagerly, Thierry Volpiatto, 2011/10/17
- bug#7583: 23.2; ido loads tramp too eagerly, Stefan Monnier, 2011/10/17
- bug#7583: 23.2; ido loads tramp too eagerly, Thierry Volpiatto, 2011/10/18
- bug#7583: 23.2; ido loads tramp too eagerly, Stefan Monnier, 2011/10/18
- bug#7583: 23.2; ido loads tramp too eagerly, Thierry Volpiatto, 2011/10/18
- bug#7583: 23.2; ido loads tramp too eagerly, Stefan Monnier, 2011/10/18
- bug#7583: 23.2; ido loads tramp too eagerly,
Michael Albinus <=
- bug#7583: 23.2; ido loads tramp too eagerly, Stefan Monnier, 2011/10/19
- bug#7583: 23.2; ido loads tramp too eagerly, Michael Albinus, 2011/10/19
- bug#7583: 23.2; ido loads tramp too eagerly, Michael Albinus, 2011/10/20
- bug#7583: 23.2; ido loads tramp too eagerly, Thierry Volpiatto, 2011/10/20
- bug#7583: 23.2; ido loads tramp too eagerly, Michael Albinus, 2011/10/20
- bug#7583: 23.2; ido loads tramp too eagerly, Thierry Volpiatto, 2011/10/20
- bug#7583: 23.2; ido loads tramp too eagerly, Stefan Monnier, 2011/10/20
- bug#7583: 23.2; ido loads tramp too eagerly, Michael Albinus, 2011/10/24
- bug#7583: 23.2; ido loads tramp too eagerly, Thierry Volpiatto, 2011/10/27
- bug#7583: 23.2; ido loads tramp too eagerly, Michael Albinus, 2011/10/17