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From:   Junio C Hamano <gitster@pobox.com>
To:     Alex Riesen <alexander.riesen@cetitec.com>
Cc:     git@vger.kernel.org, Jeff King <peff@peff.net>,
        Eric Wong <normalperson@yhbt.net>
Subject: Re: [PATCH] config: option transfer.ipversion to set transport
 protocol version for network fetches
References: <20200915135428.GA28038@pflmari>
        <xmqqtuvxwkbz.fsf@gitster.c.googlers.com>
        <xmqqk0wtv204.fsf@gitster.c.googlers.com>
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Date:   Thu, 17 Sep 2020 15:31:58 -0700
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Alex Riesen <alexander.riesen@cetitec.com> writes:

> If the configuration variable is allowed to be set to that "lack of
> preference" value, we kind of have a command line option for it:
>
>     git -c transfer.protocolFamily=any fetch ...

Yes.

But we typically do not count that as being able to override from
the command line.  If "git fetch --ipv4" will defeat the configured
"transfer.protoclFamily=ipv6", the users will expect there is some
way to do the same and say they accept any protocol family to be
used.

Thanks.