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bug#60418: [PATCH] Add :vc keyword to use-package
From: |
Philip Kaludercic |
Subject: |
bug#60418: [PATCH] Add :vc keyword to use-package |
Date: |
Sat, 06 May 2023 18:50:02 +0000 |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Philip Kaludercic <philipk@posteo.net>
>> Cc: soliditsallgood@mailbox.org, 60418@debbugs.gnu.org,
>> felician.nemeth@gmail.com, stefankangas@gmail.com
>> Date: Fri, 05 May 2023 17:15:42 +0000
>>
>> Eli Zaretskii <eliz@gnu.org> writes:
>>
>> >> No, the commit of the latest release is interpreted the same way as
>> >> elpa-admin.el does, namely the last revision that modified the "Version"
>> >> header. If no such commit can be found, then a message is printed out
>> >> and the installation continues under the assumption that the package is
>> >> using a rolling-release model.
>> >
>> > I thought package-vc-install is used (or at least can be used) to
>> > fetch the latest HEAD from the upstream repository? I even thought
>> > this was its main raison d'ĂȘtre?
>> >
>> > If that's not true, does it mean we have no means for package users to
>> > track the latest development code of a package?
>>
>> This is true, for package-vc-install, but the idea was not do this for
>> the :vc keyword to use-package.
>
> But I wrote the above as a comment to a patch to package-vc.el, not to
> use-package. So why use-package is relevant here?
Because this patch is related to use-package, and a keyword that would
allow for use-package to invoke package-vc-install?
>> My understanding is that the main
>> interest here is to install packages that are not available via package
>> archives. And as use-package is a popular means of bootstrapping a
>> configuration, it seems the right approach to use the commit of the
>> latest revision, instead of just any commit to avoid instability.
>
> My understanding is that the :rev keyword allows to use any value that
> is acceptable to package-vc-install.
Right, and what is acceptable to package-vc-install is what is
transitively acceptable to `vc-clone'/`vc-retrieve-tag'.
> I understand that in most cases
> users will want to install the latest,
I don't know if that is the case. I might be wrong that the revision of
the latest release is a good default? Tony, do you think we should add
a user-option to regulate this behaviour.
> but once we decided to support
> :rev, we must allow any valid value there. Right?
Yes.
>> By default, this function installs the last revision of the
>> package available from its repository. If REV is a string, it
>> describes the revision to install, as interpreted by the VC
>> backend. The special value `:last-release' (interactively, the
>> prefix argument), will use the commit of the latest release, if
>> it exists. The latest revision is determined by the latest
> ^^^^^^^^^^^^^^^
> "last release", not "latest revision": you are explaining what the
> previous sentence said.
Whoops, of course.
>> revision to modify the \"Version\" header of the main file.
>>
>> But I couldn't come up with an elegant way to avoid the passive voice in
>> the last sentence.
>
> Here's one way:
>
> The last release is the latest revision which changed the
> \"Version:\" header of the package's main Lisp file.
Yes, sounds good. Will apply this change.
- bug#60418: [PATCH] Add :vc keyword to use-package, (continued)
- bug#60418: [PATCH] Add :vc keyword to use-package, Tony Zorman, 2023/05/02
- bug#60418: [PATCH] Add :vc keyword to use-package, Eli Zaretskii, 2023/05/02
- bug#60418: [PATCH] Add :vc keyword to use-package, Tony Zorman, 2023/05/04
- bug#60418: [PATCH] Add :vc keyword to use-package, Eli Zaretskii, 2023/05/04
- bug#60418: [PATCH] Add :vc keyword to use-package, Philip Kaludercic, 2023/05/05
- bug#60418: [PATCH] Add :vc keyword to use-package, Eli Zaretskii, 2023/05/05
- bug#60418: [PATCH] Add :vc keyword to use-package, Philip Kaludercic, 2023/05/05
- bug#60418: [PATCH] Add :vc keyword to use-package, Eli Zaretskii, 2023/05/05
- bug#60418: [PATCH] Add :vc keyword to use-package, Philip Kaludercic, 2023/05/05
- bug#60418: [PATCH] Add :vc keyword to use-package, Eli Zaretskii, 2023/05/05
- bug#60418: [PATCH] Add :vc keyword to use-package,
Philip Kaludercic <=
- bug#60418: [PATCH] Add :vc keyword to use-package, Eli Zaretskii, 2023/05/06
- bug#60418: [PATCH] Add :vc keyword to use-package, Philip Kaludercic, 2023/05/07
- bug#60418: [PATCH] Add :vc keyword to use-package, Tony Zorman, 2023/05/06
- bug#60418: [PATCH] Add :vc keyword to use-package, Philip Kaludercic, 2023/05/07
- bug#60418: [PATCH] Add :vc keyword to use-package, Philip Kaludercic, 2023/05/16
- bug#60418: [PATCH] Add :vc keyword to use-package, Tony Zorman, 2023/05/17