bug#62720: 29.0.60; Not easy at all to upgrade :core packages like Eglot

[Philip Kaludercic]

João Távora <joaotavora@gmail.com> writes:

> Philip Kaludercic <philipk@posteo.net> writes:
>
>>>> Can we put this tiny patch on master then?
>>>
>>> Yes, if Philip and Stefan don't object.  But, since there will be a
>>> command for updating core packages, doesn't this go against your
>>> desire not to change the UX?
>>
>> After thinking about this for a bit, I think that the right approach is
>> to use package-install instead of writing a separate command.  After
>> all, this will make the behaviour of package-install consistent with
>> that of the package menu.
>
> +1000
>
>> It might work but it should be tested somewhat thoroughly before the
>> patch is applied.  In the meantime, I just finished a similar approach
>> that does not modify `package-installed-p', but just adds another
>> utility function:
>
> I've just applied it, re-made emacs, tested with Emacs -Q and now M-x
> package-install doesn't offer _any_ completions to install, core or
> non-core.  Is this what you intended?

No, that was my mistake (I changed something last minute before applying
the patch).  This patch should behave properly:

0001-Allow-upgrading-built-in-packages.patch
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