[pkg-gnupg-maint] Bug#1022702: Bug#1022702: gnupg: Migrating packaging from 2.2.x to "stable" 2.3.x

[NIIBE Yutaka]

NIIBE Yutaka <gniibe at fsij.org> wrote:
> I was wrong.  The ticket for agent_cache_housekeeping is:
>
>     https://dev.gnupg.org/T3829
>
> It was introduced because of some risk keeping passphrase.
>
> I'd like to consider to improve the implementation of cache and
> expiration, not using handle_tick.

In the upstream, I created a ticket for this task.

    https://dev.gnupg.org/T6681

Then, I did some work.  I believe that I somehow sorted out and deal
with problems for T3829 and gpg-agent-idling.

I'm going to backport the improvement to my branch of tmp-gniibe-v2.4
for Debian.

			*	*	*

During my implementing the code for T6681, I realized that the possible
reason why Christoph disabled use of debian/patches/gpg-agent-idling
when he packaged 2.3.1-1; The patches were written in Oct/Nov of 2016.
In 2018, to solve an issue of T3829, cache expiration code was added at
the handle_tick function.
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