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Re: [PATCH 4/4] Allow protocol to be separated from host with a semicolo

From: Andrei Borzenkov
Subject: Re: [PATCH 4/4] Allow protocol to be separated from host with a semicolon
Date: Wed, 25 Jan 2017 06:48:30 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1

24.01.2017 23:50, Matthew Garrett пишет:
> On Mon, Jan 23, 2017 at 8:02 PM, Andrei Borzenkov <address@hidden> wrote:
>> 24.01.2017 03:36, Matthew Garrett пишет:
>>> Some DHCP servers (such as dnsmasq) tokenise parameters with commas, making
>>> it impossible to pass boot files with commas in them. Allow using a
>> grub_net_open() operates on devices, not files. Please give more details
>> about your problem.
> The DHCP server will return a string in the boot_file field. If you
> want to indicate that this file should be obtained over http, the
> easiest way to handle this is to provide a boot file in the form
> (http,host)filename. Unfortunately dnsmasq uses commas to tokenise its
> configuration parameters and there appears to be no way to override
> that, which makes it impossible to provide a boot file in this form.
> Allowing the use of an alternative character avoids this problem.

This won't work because (http,host) will never be interpreted as device
in current code so you need to support this first before this patch can
even be considered. Also I am not convinced that arbitrary changing
syntax is good idea.

You already can set $prefix when generating image. Why is it not enough?

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