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bug#33848: Store references in SBCL-compiled code are "invisible"

From: Ludovic Courtès
Subject: bug#33848: Store references in SBCL-compiled code are "invisible"
Date: Thu, 27 Dec 2018 15:45:32 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)


Mark H Weaver <address@hidden> skribis:

> Pierre Neidhardt <address@hidden> writes:
>>> : > Store file names are always ASCII so problems arise when they are stored
>>> : > as UTF-16 or UTF-32/UCS-4.
>>> : 
>>> : I understand that most programs stick to ASCII filenames, but what about 
>>> the odd
>>> : one using non-English, special characters?
>>> That’s a separate debate.  :-)  Essentially this restriction on store
>>> file names has always been there in Guix (and Nix before that).  If we
>>> were to change it, that would raise compatibility issues.
>> But what happens if we attempt to store "á" in the store?
> Indeed.  Although we might restrict the immediate entries within
> /gnu/store to ASCII characters, file names deeper within those
> directories may have non-ASCII characters.  More generally, store
> references may occur within larger strings which might include non-ASCII
> characters.

Right.  For example ‘nss-certs’ contains non-ASCII, UTF-8-encoded file

For “top-level” store file names, the restriction is enforced by
‘checkStoreName’ in libstore/store-api.cc.


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