Variable: package-install-upgrade-built-in

package-install-upgrade-built-in is a customizable variable defined in package.el.gz.

Value

nil

Documentation

Non-nil means that built-in packages can be upgraded via a package archive.

If disabled, then package-install will raise an error when trying to replace a built-in package with a (possibly newer) version from a package archive.

This variable was added, or its default value changed, in Emacs 29.1.

View in manual

Probably introduced at or before Emacs version 29.1.

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/package.el.gz
(defcustom package-install-upgrade-built-in nil
  "Non-nil means that built-in packages can be upgraded via a package archive.
If disabled, then `package-install' will raise an error when trying to
replace a built-in package with a (possibly newer) version from a
package archive."
  :type 'boolean
  :version "29.1")