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Add public interfaces for accessing builtin package info (Bug#78844)

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* lisp/emacs-lisp/package.el (package-builtin-packages)
(package-builtin-package-version): New functions.
* doc/lispref/package.texi: Add a section 'Package Information' with
documentation for the new functions.
* etc/NEWS: Add entry for 'package-versioned-builtin-packages' and
'package-builtin-package-version'.
This commit is contained in:
Xiyue Deng 2025-06-20 21:34:45 -07:00 • committed by Eli Zaretskii
parent 52b96d3a7e
commit 5c75ec6ae5
3 changed files with 48 additions and 0 deletions
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15
lisp/emacs-lisp/package.el
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@ -669,6 +669,21 @@ called via `package-activate-all'. To change which packages are
loaded and/or activated, customize `package-load-list'.")
(put 'package-alist 'risky-local-variable t)
;;;; Public interfaces for accessing built-in package info
(defun package-versioned-builtin-packages ()
"Return a list of all the versioned built-in packages.
The return value is a list of names of built-in packages represented as
symbols."
(mapcar #'car package--builtin-versions))
(defun package-builtin-package-version (package)
"Return the version of a built-in PACKAGE given by its symbol.
The return value is a list of integers representing the version of
PACKAGE, in the format returned by `version-to-list', or nil if the
package is built-in but has no version or is not a built-in package."
(alist-get package package--builtin-versions))
;;;###autoload
(defvar package-activated-list nil
;; FIXME: This should implicitly include all builtin packages.