[pkg-gnupg-maint] Bug#935966: gpg-agent: move of sockets to /run breaks bind mount setups

[Thorsten Glaser]

On Wed, 28 Aug 2019, Thorsten Glaser wrote:

> I regularily work with chroots into which I bind-mount my home directory
> but *not* /var/run or /run (which is, incidentally, important to not do)
> and the recent move of gpg-agent sockets to /run breaks this totally.

This is basically the reverse of https://dev.gnupg.org/T1752 (although
a per-machine socket would work for me, as the hostname is identical in
the chroot), except for the method described there is neither documented
nor does it work any more:

$ strace -e file -o foo -f -- gpg-connect-agent --verbose /bye
$ fgrep -c /home foo
0

(Things connecting to the agent don’t check $GNUPGHOME at all, which is
a major regression. And funnily enough, gpgsm’s section in the texinfo
documentation still documents the old way…)

> Please add an option (e.g. in ~/.gnupg/gpg-agent.conf) for users to re‐
> vert it.

Thanks in advance,
//mirabilos
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