GNU bug report logs - #67955
[PATCH] Add use-package-vc-prefer-newest user option

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From: Philip Kaludercic <philipk <at> posteo.net>
To: Tony Zorman <soliditsallgood <at> mailbox.org>
Cc: Stefan Kangas <stefankangas <at> gmail.com>, 67955 <at> debbugs.gnu.org
Subject: bug#67955: [PATCH] Add use-package-vc-prefer-newest user option
Date: Tue, 16 Jan 2024 07:33:39 +0000

Tony Zorman <soliditsallgood <at> mailbox.org> writes:


[...]

>> Yes, that was what I meant.  I don't want to assume that users are
>> familiar with MELPA, so a brief comment to that effect should suffice.
>> Thanks!
>
> Okay, I've attached a new version of the patch.
>
> Thanks for the review!
> T
>
> From 8f207a132f669cf2486ecf0e12ade864a9a6912c Mon Sep 17 00:00:00 2001
> From: Tony Zorman <soliditsallgood <at> mailbox.org>
> Date: Thu, 21 Dec 2023 17:51:09 +0100
> Subject: [PATCH] Add use-package-vc-prefer-newest user option
>
> * lisp/use-package/use-package-core.el (use-package-vc-prefer-newest):
> User option to prefer the latest commit (as opposed to the latest
> release) of a package.
> (use-package-normalize--vc-arg): Check for
> use-package-vc-prefer-newest.
>
> * doc/misc/use-package.texi (Install package): Document
> use-package-vc-prefer-newest.
>
> * etc/NEWS: Document use-package-vc-prefer-newest.
> ---
>  doc/misc/use-package.texi            |  8 ++++++--
>  etc/NEWS                             |  5 +++++
>  lisp/use-package/use-package-core.el | 22 +++++++++++++++++++---
>  3 files changed, 30 insertions(+), 5 deletions(-)
>
> diff --git a/doc/misc/use-package.texi b/doc/misc/use-package.texi
> index d834e1be754..c2b6404b68b 100644
> --- a/doc/misc/use-package.texi
> +++ b/doc/misc/use-package.texi
> @@ -1639,8 +1639,12 @@ Install package
>  would try -- by invoking @code{package-vc-install} -- to install the
>  latest commit of the package @code{foo} from the specified remote.
>  
> -This can also be used for local packages, by combining it with the
> -@code{:load-path} (@pxref{Load path}) keyword:
> +@vindex use-package-vc-prefer-newest
> +Alternatively, the @code{use-package-vc-prefer-newest} user option
> +exists to always prefer the latest commit.
> +
> +The @code{:vc} keyword can also be used for local packages, by
> +combining it with @code{:load-path} (@pxref{Load path}):
>  
>  @example
>  @group
> diff --git a/etc/NEWS b/etc/NEWS
> index 03b8c3b517a..f9e01b14f92 100644
> --- a/etc/NEWS
> +++ b/etc/NEWS
> @@ -1035,6 +1035,11 @@ interactive Python interpreter specified by 'python-interpreter'.
>  *** New ':vc' keyword.
>  This keyword enables the user to install packages using 'package-vc'.
>  
> ++++
> +*** New user option 'use-package-vc-prefer-newest'.
> +This allows the user to always install the newest commit of a package
> +when using the ':vc' keyword.
> +
>  ** Gnus
>  
>  *** The 'nnweb-type' option 'gmane' has been removed.
> diff --git a/lisp/use-package/use-package-core.el b/lisp/use-package/use-package-core.el
> index d9343e14839..ba2e93c97e9 100644
> --- a/lisp/use-package/use-package-core.el
> +++ b/lisp/use-package/use-package-core.el
> @@ -346,6 +346,20 @@ use-package-compute-statistics
>    :type 'boolean
>    :group 'use-package)
>  
> +(defcustom use-package-vc-prefer-newest nil
> +  "Prefer the newest commit over the latest release.
> +By default, much like GNU ELPA and NonGNU ELPA, the `:vc' keyword
> +tracks the latest stable release of a package.  If this option is
> +non-nil, the latest commit is preferred instead.  This has the
> +same effect as specifying `:rev :newest' in every invocation of
> +`:vc'.
> +
> +Note that always tracking a package's latest commit might lead to
> +stability issues."
> +  :type 'boolean
> +  :version "30.1"
> +  :group 'use-package)

Sounds good to me, I think the patch can be merged.  Any objections?

> +
>  (defvar use-package-statistics (make-hash-table))
>  
>  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
> @@ -1649,9 +1663,11 @@ use-package-normalize--vc-arg
>                 (if (and s (stringp s)) (intern s) s))
>               (normalize (k v)
>                 (pcase k
> -                 (:rev (cond ((or (eq v :last-release) (not v)) :last-release)
> -                             ((eq v :newest) nil)
> -                             (t (ensure-string v))))
> +                 (:rev (pcase v
> +                         ('nil (if use-package-vc-prefer-newest nil :last-release))
> +                         (:last-release :last-release)
> +                         (:newest nil)
> +                         (_ (ensure-string v))))
>                   (:vc-backend (ensure-symbol v))
>                   (_ (ensure-string v)))))
>      (pcase-let ((valid-kws '(:url :branch :lisp-dir :main-file :vc-backend :rev))
> -- 
> 2.43.0

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