gpg --list-config should be able to run when $HOME is not writeable (or does not exist)

[Daniel Kahn Gillmor]

Hi Werner--

On Thu 2016-09-01 13:25:54 -0400, Werner Koch wrote:
> On Thu,  1 Sep 2016 00:19, dkg at fifthhorseman.net said:
>
>> some gnupg commands (like --list-config) seem to want to do a lot more
>> than they need to with the filesystem.  They report errors when the
>> gnupg homedir is not writeable, and they fail outright when $HOME is not
>> writeable (or does not exist).  but "gpg --version" works fine in those
>
>
> I just pushed a fix for master.
>
>   --list-config
>   --list-gcrypt-config
>   --gpgconf-list
>   --gpgconf-test
>
> won't anymore register a default keyring and thus create ~/.gnupg.

Thanks for this fix!  If i upload another version of 2.1.15 into debian
i'll use it instead of the patch which shuffles the test suite
initialization.

Regards,

        --dkg
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