[bug#51307] [PATCH 0/2] guix hash: eases conversion

[Ludovic Courtès]

Hi,

zimoun <zimon.toutoune@gmail.com> skribis:

> On Sat, 30 Oct 2021 at 16:46, Ludovic Courtès <ludo@gnu.org> wrote:
>> zimoun <zimon.toutoune@gmail.com> skribis:
>>
>>> * guix/scripts/hash.scm (guix-hash): Allow several files.
>>> [directory?]: New procedure.
>>> [file-hash]: Catch system-error.
>>> [hash-to-display]: New procedure.
>>
>> Nice! Could you update guix.texi and tests/guix-hash.texi?
>
> I will once we agree and reach consensus. ;-)

Apparently there’s consensus on this specific patch.

>> This change is not related to the main purpose of the patch.
>>
>> More importantly, note that ‘--recursive’ is not limited to directories:
>> it preserves file properties (directory, executable, or regular), so
>> it’s also useful for executable files for instance.  It can also be used
>> for regular files, even if it’s less useful.
>
> I understand.  Could you provide concrete examples when it is not
> directory?  In order to see if there is a pattern.

See the executables used in (gnu packages bootstrap): to preserve their
executable bit, you need ‘--recursive’.  Same for symlinks.

Anyway, this patch is about allowing for multiple arguments (which we
agree on), so I think we should discuss the ‘--recursive’ issue
separately.

Thanks!

Ludo’.