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List:       gentoo-dev
Subject:    Re: [gentoo-dev] [RFC] Gentoo news extension: Display-If-Visible
From:       Mike Gilbert <floppym () gentoo ! org>
Date:       2017-05-24 17:33:57
Message-ID: CAJ0EP426Pxmqy7uwG_wxg-fPCJofD+oOEWn-JjntMs0Z77z0uA () mail ! gmail ! com
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On Wed, May 24, 2017 at 1:29 PM, Michał Górny <mgorny@gentoo.org> wrote:
> On śro, 2017-05-24 at 13:13 -0400, Mike Gilbert wrote:
>> Many news items are only relevant when upgrading a package from one
>> version to another. For fresh installs, the user does not need to take
>> any action. A good example of this is the recent gcc upgrade from 4.9
>> to 5.
>>
>> In this context, it is often desirable to inform the user of a major
>> change in a package before they upgrade it. This would give them time
>> to prepare, and allow to skip the upgrade until they are ready.
>>
>> This is technically possible with the current news item format by
>> using a Display-If-Installed header. However, this has a few problems
>> depending on how you format the dependency spec.
>>
>> Display-If-Installed: cat/pkg
>> This will be displayed to too many users.
>>
>> Display-If-Installed: >=cat/pkg-ver
>> This will be displayed to users only after they have upgraded.
>>
>> Display-If-Installed: <cat/pkg-ver
>> This targets the right people, but the message will be displayed too
>> early for stable users.
>>
>> I would like to introduce a new header "Display-If-Visible". This
>> would restrict display of the news item to users for which the given
>> dependency is visible according to their ACCEPT_KEYWORDS and
>> package.accept_keywords settings.
>>
>> Example usage:
>>
>> Display-If-Installed: <sys-devel/gcc-5
>> Display-If-Visible: >=sys-devel/gcc-5
>>
>> Comments?
>>
>
> https://archives.gentoo.org/gentoo-dev/message/7f5ff2c0a844050f846516a6af39bb06
>
> (and the replies to that)

Thanks for the pointer. I suppose I'll just draft something for the GLEP change.

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