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bug#54747: 28.1.50; package.el - Better error message if newer Emacs is
From: |
Lars Ingebrigtsen |
Subject: |
bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required |
Date: |
Fri, 08 Apr 2022 14:51:06 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Daniel Mendler <mail@daniel-mendler.de> writes:
> I am running Emacs 28 and I just went to `list-packages` and did `M-x
> package-install` on a package marked as "incompat". For some weird
> reason Emacs still installed the package while I would have expected an
> error now? Is this another bug?
Hm... I don't know. Let's see...
The only one I have that's incompatible (in Emacs 29) is:
helm-gitignore 20170211.8 incompat melpa Generate
.gitignore files with gitignore.io.
And the `i' command just skips it, so that works, at least. And using
`M-x package-install' on it just says
Package ‘gitignore-mode-1.1.0’ is unavailable
But I haven't tried this in Emacs 28.
> Regarding the error messages - I think even experienced users could
> profit from slightly improved error messages which explain dependency
> resolution failure.
>
> - Package X version V requires package Y version W, which is
> unavailable. The newest available version of Y is W'.
> - Package X version V requires package Y, which is unavailable. The
> package Y cannot be found in the archives.
> - Package X version V requires package Y version W, which cannot be
> installed. The dependency Z of Y cannot be satisfied.
> - ...
It does say some of that. Reading the code:
(disabled
(unless problem
(setq problem
(if (stringp disabled)
(format-message
"Package `%s' held at version %s, but version %s
required"
next-pkg disabled
(package-version-join next-version))
(format-message "Required package `%s' is disabled"
next-pkg)))))
(t (setq found pkg-desc)))))
(unless found
(cond
(problem (error "%s" problem))
(found-something
(error "Need package `%s-%s', but only %s is available"
next-pkg (package-version-join next-version)
found-something))
(t
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required, Daniel Mendler, 2022/04/06
- Message not available
- bug#54747: Acknowledgement (28.1.50; package.el - Better error message if newer Emacs is required), Daniel Mendler, 2022/04/06
- bug#54747: Acknowledgement (28.1.50; package.el - Better error message if newer Emacs is required), Daniel Mendler, 2022/04/06
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required, Lars Ingebrigtsen, 2022/04/07
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required, Daniel Mendler, 2022/04/07
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required,
Lars Ingebrigtsen <=
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required, Daniel Mendler, 2022/04/08
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required, Lars Ingebrigtsen, 2022/04/09
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required, Daniel Mendler, 2022/04/09
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required, Rudolf Schlatte, 2022/04/07
- bug#54747: 28.1.50; package.el - Better error message if newer Emacs is required, Lars Ingebrigtsen, 2022/04/08