From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludovic.courtes@inria.fr (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Generating wrappers for execution in non-root non-Guix contexts
Date: Thu, 03 May 2018 22:51:19 +0200
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In-Reply-To: <87zi1rwsv6.fsf@inria.fr> ("Ludovic
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	\=\?utf-8\?Q\?'s\?\= message of "Wed, 25 Apr 2018 11:14:05 +0200")
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ludovic.courtes@inria.fr (Ludovic Court=C3=A8s) skribis:

> The hack below allows =E2=80=98guix pack=E2=80=99 to produce wrappers tha=
t allow,
> through user namespaces, programs to automatically relocate themselves
> when you run them unprivileged on a machine that lacks Guix.  In the
> example below, I run =E2=80=98sed=E2=80=99 from a pack on a machine that =
lacks Guix:
>
> ludo@fencepost:~/tmp$ tar xf ../pack.tgz
> ludo@fencepost:~/tmp$ echo hello > foo
> ludo@fencepost:~/tmp$ gnu/store/ffdzkyi23n8xh3n6vfqpa1lzg3xx9jpj-sed-4.4/=
bin/sed -i foo -es/hello/bye/g
> ludo@fencepost:~/tmp$ cat foo
> bye
> ludo@fencepost:~/tmp$ ls /gnu/store
> ls: cannot access '/gnu/store': No such file or directory

You can watch the next episode of this season (and be part of it!)
at <https://bugs.gnu.org/31360>.

Ludo=E2=80=99.