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Re: Using 'system*' instead of 'system' in 'guix environment'
From: |
Ludovic Courtès |
Subject: |
Re: Using 'system*' instead of 'system' in 'guix environment' |
Date: |
Thu, 08 Oct 2015 16:59:56 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
"Thompson, David" <address@hidden> skribis:
> I disagree, and here's why. Going back to the sudo/ssh example, it's
> not possible to do 'cd /bar; frob' naively because this...
>
> sudo cd /bar; frob
>
> ...is two commands. And this doesn't work either because it's not a
> valid string for exec:
>
> sudo 'cd /bar; frob'
>
> However, we can just do the 'sh -c' trick!
>
> sudo sh -c 'cd /bar; frob'
>
> This is essentially what you propose having built-in, but I think it
> would be best to leave it out. That way we can simply use 'system*'
> and users that want to execute an inline Bash script can do so using
> the method they most likely already know about from tools like sudo
> and ssh.
>
> guix environment --ad-hoc guile -- guile -c '(frob)'
>
> guix environment --ad-hoc guile -- sh -c "cd bar/; guile -c '(frob)'"
>
> This has the additional advantage that the first process created
> inside containers will be PID 1, not 2.
>
> Does this counter-proposal sound OK?
Yes it does; you win. ;-)
I guess we must still support -E for compatibility. Probably it should
do an implicit ‘sh -c’?
Thanks,
Ludo’.
- Using 'system*' instead of 'system' in 'guix environment', David Thompson, 2015/10/08
- Re: Using 'system*' instead of 'system' in 'guix environment', Ludovic Courtès, 2015/10/08
- Re: Using 'system*' instead of 'system' in 'guix environment', Thompson, David, 2015/10/08
- Re: Using 'system*' instead of 'system' in 'guix environment',
Ludovic Courtès <=
- Re: Using 'system*' instead of 'system' in 'guix environment', Thompson, David, 2015/10/09
- Re: Using 'system*' instead of 'system' in 'guix environment', Taylan Ulrich Bayırlı/Kammer, 2015/10/08
- Re: Using 'system*' instead of 'system' in 'guix environment', Thompson, David, 2015/10/09
- Re: Using 'system*' instead of 'system' in 'guix environment', Taylan Ulrich Bayırlı/Kammer, 2015/10/09
- Re: Using 'system*' instead of 'system' in 'guix environment', Ludovic Courtès, 2015/10/08
- Re: Using 'system*' instead of 'system' in 'guix environment', Thompson, David, 2015/10/08
- Re: Using 'system*' instead of 'system' in 'guix environment', Thompson, David, 2015/10/09
- Re: Using 'system*' instead of 'system' in 'guix environment', Ludovic Courtès, 2015/10/09
- Re: Using 'system*' instead of 'system' in 'guix environment', Thompson, David, 2015/10/10
- Re: Using 'system*' instead of 'system' in 'guix environment', Taylan Ulrich Bayırlı/Kammer, 2015/10/09