sudo command with minibuffer password prompt

sudo command with minibuffer password prompt

[Nordlöw]

Is it possible to call
sudo CMD
from within Emacs and get the password prompt in the minibuffer like
TRAMP does when we open a file with super user privs?

Thanks,
Nordlöw

Re: sudo command with minibuffer password prompt

[Pascal J. Bourguignon]

Nordlöw <per.nordlow@gmail.com> writes:

> Is it possible to call
> sudo CMD
> from within Emacs and get the password prompt in the minibuffer like
> TRAMP does when we open a file with super user privs?

This is automatic in emacs 22.
Are you still using emacs 21? 


-- 
__Pascal Bourguignon__
http://www.informatimago.com

Re: sudo command with minibuffer password prompt

[Nordlöw]

> This is automatic in emacs 22

How?

In both Vanilla Emacs 22 and 23 CVS
  (require 'tramp)
  (shell-command "sudo touch ~/.emacs")
fails with the message
  sudo: no tty present and no askpass program specified

What is missing?

Thanks for your help,
Nordlöw

Re: sudo command with minibuffer password prompt

[Nordlöw]

> In both Vanilla Emacs 22 and 23 CVS
>   (require 'tramp)
>   (shell-command "sudo touch ~/.emacs")
> fails with the message
>   sudo: no tty present and no askpass program specified

What I really want to do is to spawn an install using apt-get install
from within emacs.

/Nordlöw

Re: sudo command with minibuffer password prompt

[Michael Albinus]

Nordlöw <per.nordlow@gmail.com> writes:

> Is it possible to call
> sudo CMD
> from within Emacs and get the password prompt in the minibuffer like
> TRAMP does when we open a file with super user privs?

In GNU Emacs 23.1.90, I've recently added su and sudo support via Tramp
in eshell. Once you have loaded eshell via "M-x eshell", you can do the
following (for example):

  ~ $ cd /etc
  /etc $ sudo find-file shadow

It works even on remote hosts:

  ~ $ cd /ssh:otherhost:/etc
  /ssh:user@otherhost:/etc $ sudo find-file shadow

The password prompt is handled by Tramp, in the minibuffer.

See (info "(eshell)Built-ins")

> Thanks,
> Nordlöw

Best regards, Michael.

Re: sudo command with minibuffer password prompt

[Steve Revilak]

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>From: Nordl?w <per.nordlow@gmail.com>

>In both Vanilla Emacs 22 and 23 CVS
>  (require 'tramp)
>  (shell-command "sudo touch ~/.emacs")
>fails with the message
>  sudo: no tty present and no askpass program specified
>
>What is missing?

Using M-! and typing "sudo ls" into the minibuffer, I see the same
error message with Emacs 23.1.1 on OpenSuse.  Mac OS X displays a
password prompt in the minibuffer, but the password prompt doesn't
seem to accept focus (emacs 22 and 23).

>What I really want to do is to spawn an install using apt-get install
>from within emacs.

Try this.

  M-x shell

Then run "sudo apt-get install" from the *shell* buffer.  You should
get a password prompt in the minibuffer.

(FWIW, I thought this was one of the neatest additions in Emacs 22 :)

Steve


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Re: sudo command with minibuffer password prompt

[Thierry Volpiatto]

Hi, if you are an anything user you will find in anything-config.el
sources to manage apt-* from emacs.

http://www.emacswiki.org/cgi-bin/emacs/Anything

Steve Revilak <steve@srevilak.net> writes:

>>From: Nordl?w <per.nordlow@gmail.com>
>
>>In both Vanilla Emacs 22 and 23 CVS
>>  (require 'tramp)
>>  (shell-command "sudo touch ~/.emacs")
>>fails with the message
>>  sudo: no tty present and no askpass program specified
>>
>>What is missing?
>
> Using M-! and typing "sudo ls" into the minibuffer, I see the same
> error message with Emacs 23.1.1 on OpenSuse.  Mac OS X displays a
> password prompt in the minibuffer, but the password prompt doesn't
> seem to accept focus (emacs 22 and 23).
>
>>What I really want to do is to spawn an install using apt-get install
>>from within emacs.
>
> Try this.
>
>  M-x shell
>
> Then run "sudo apt-get install" from the *shell* buffer.  You should
> get a password prompt in the minibuffer.
>
> (FWIW, I thought this was one of the neatest additions in Emacs 22 :)
>
> Steve
>

-- 
A + Thierry Volpiatto
Location: Saint-Cyr-Sur-Mer - France

Re: sudo command with minibuffer password prompt

[Nordlöw]

> Then run "sudo apt-get install" from the *shell* buffer.  You should
> get a password prompt in the minibuffer.

Nice1

But I still need to solve this programmatically in a lisp program.
I'll take a look at eshell and see if I can script it using eshell-
functions.

/Nordlöw

Re: sudo command with minibuffer password prompt

[David Kastrup]

Nordlöw <per.nordlow@gmail.com> writes:

> Is it possible to call
> sudo CMD
> from within Emacs and get the password prompt in the minibuffer like
> TRAMP does when we open a file with super user privs?

Something like

(with-temp-buffer
  (cd "/sudo::/")
  (shell-command "cat /etc/shadow"))

should work.

-- 
David Kastrup

Re: sudo command with minibuffer password prompt

[Pascal J. Bourguignon]

Nordlöw <per.nordlow@gmail.com> writes:

>> Then run "sudo apt-get install" from the *shell* buffer.  You should
>> get a password prompt in the minibuffer.
>
> Nice1
>
> But I still need to solve this programmatically in a lisp program.
> I'll take a look at eshell and see if I can script it using eshell-
> functions.

In the case of M-x shell, it's comint that's working, and there must
be some comint filter installed  by shell.  Having a look at that code
should allow you to learn how to do it programmatically.

Of course, an alternative would be to see how tramp does it, and do it
that way.


Use the source, Luke!

-- 
__Pascal Bourguignon__