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Re: [PATCH] emacs: Add 'pretty-sha-path'.


From: Alex Kost
Subject: Re: [PATCH] emacs: Add 'pretty-sha-path'.
Date: Wed, 05 Nov 2014 14:24:08 +0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux)

Mark H Weaver (2014-11-04 22:39 +0300) wrote:

> Hi Alex,
>
> Alex Kost <address@hidden> writes:
>
>> +(defcustom pretty-sha-path-regexp
>> +  (rx "/"
>> +      (or "nix" "gnu")
>> +      "/store/"
>> +      (group (= 32 alnum)))
>
> I'm not sure if it's worth it, but you could make this regexp more
> restrictive.  Nix hashes can only contain the following 32 characters:
>
>   "0123456789abcdfghijklmnpqrsvwxyz"
>
> i.e. digits and lowercase ASCII letters excluding (e o u t).  See
> 'base32Chars' in nix/libutil/hash.cc.

Oh, I didn't know that, thank you for the information; I will adjust the
regexp.

-- 
Alex



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