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bug#36707: [PATCH] Signal user-error on duplicate package refresh

From: Noam Postavsky
Subject: bug#36707: [PATCH] Signal user-error on duplicate package refresh
Date: Thu, 08 Aug 2019 20:16:13 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2.90 (gnu/linux)

"Basil L. Contovounesios" <address@hidden> writes:

> Stefan Kangas <address@hidden> writes:
>> In the "*Packages*" buffer (M-x package-list-packages), if I hit "r" many 
>> times
>> it will try to initiate more refreshes even if the first one has not finished
>> yet.  This is unnecessary and potentially confusing.
>> This patch makes it check if there is already an refresh in progress and 
>> signal
>> a user-error if there is one.
> Would it not be possible/better to discard the existing refresh and
> start a new one, instead of signalling an error?  This would help
> e.g. when a refresh hangs for whatever reason.

Not sure if it's better, supposing the user is hitting "r" repeatedly,
that just interrupts the pending refreshes, preventing any progress.  I
would expect hanging to be cancelled by a timeout anyway.

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