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Re: [Emacs-diffs] master 1072155: Avoid duplicate entries in process-env

From: Daniel Colascione
Subject: Re: [Emacs-diffs] master 1072155: Avoid duplicate entries in process-environment after re-dumping
Date: Wed, 3 Apr 2019 09:58:35 -0700
User-agent: SquirrelMail/1.4.23 [SVN]

>> Date: Tue, 2 Apr 2019 13:11:53 -0700
>> From: "Daniel Colascione" <address@hidden>
>> Cc: "Daniel Colascione" <address@hidden>,
>>  address@hidden
>> >> Don't we want to reset process-environment to its old value in
>> >> dump_unwind_cleanup?
>> >
>> > You are thinking about re-dumping from an interactive session?
>> Yes
>> > In
>> > that case, probably yes.  But currently we only support dumping from
>> > batch sessions, and in that case I don't see a need to restore
>> > process-environment, am I missing something?
>> We "support" dumping only from dedicated batch instances in that for now
>> we should consider only bugs in that use case release-blocking, but I
>> don't want to gratuitously break other use cases like dumping
>> interactive
>> sessions without killing them, since these use cases are meant to work
>> and
>> we'll give them the same level of support someday soon.
> OK, but is there any reason dump_unwind_cleanup doesn't restore
> post-gc-hook?  Omission?

Not restoring post-gc-hook is a bug. Thanks for spotting that!

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