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Re: util-linux and perl rename
From: |
Alex Vong |
Subject: |
Re: util-linux and perl rename |
Date: |
Mon, 26 Nov 2018 13:12:08 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) |
Hi Thorsten,
Thorsten Wilms <address@hidden> writes:
> Hi Guix!
>
> I already had a "rename" binary via util-linux. Then I installed the
> package "rename", resulting in another "rename" binary, as I prefer
> the Perl version. This was a success in that I got what I wanted.
>
> However, should this name clash be considered a bug?
> Is there a policy for such circumstances?
> What happens that the newly installed "rename" gets precedence?
>
I think it is chosen based on some random criterions (so the building of
profile is still deterministic). During installation, there should be a
warning showing there's a conflict, and which one is being chosen. So
you get the "right" one by luck.
> The best info I found on the rename vs rename issue in general:
> https://unix.stackexchange.com/questions/275254/why-is-the-rename-utility-on-debian-ubuntu-different-than-the-one-on-other-distr
To eliminate this conflict, I can think of 2 solutions:
1. Use 2 separate profiles where one has util-linux installed and the
other has rename installed.
2. Install util-linux into the default profile, but invoke rename by
"guix environment --ad-hoc rename -- rename ..." instead of
"rename ..."
These 2 solutions work in general as well, such as for conflicting
library versions, conflicting language runtimes...
I prefer the 2nd solution since maintaining 2 separate profiles just for
using rename seems too "heavy weight" to me.
Cheers,
Alex
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