Function: package-desc-extras

package-desc-extras is a byte-compiled function defined in package.el.gz.

Signature

(package-desc-extras CL-X)

Documentation

Access slot "extras" of package-desc struct CL-X.

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/package.el.gz
(cl-defstruct (package-desc
               ;; Rename the default constructor from `make-package-desc'.
               (:constructor package-desc-create)
               ;; Has the same interface as the old `define-package',
               ;; which is still used in the "foo-pkg.el" files. Extra
               ;; options can be supported by adding additional keys.
               (:constructor
                package-desc-from-define
                (name-string version-string &optional summary requirements
                 &rest rest-plist
                 &aux
                 (name (intern name-string))
                 (version (version-to-list version-string))
                 (reqs (mapcar (lambda (elt)
                                 (list (car elt)
                                       (version-to-list (cadr elt))))
                               (if (eq 'quote (car requirements))
                                   (nth 1 requirements)
                                 requirements)))
                 (kind (plist-get rest-plist :kind))
                 (archive (plist-get rest-plist :archive))
                 (extras (let (alist)
                           (while rest-plist
                             (unless (memq (car rest-plist) '(:kind :archive))
                               (let ((value (cadr rest-plist)))
                                 (when value
                                   (push (cons (car rest-plist)
                                               (if (eq (car-safe value) 'quote)
                                                   (cadr value)
                                                 value))
                                         alist))))
                             (setq rest-plist (cddr rest-plist)))
                           alist)))))
  "Structure containing information about an individual package.
Slots:

`name'	Name of the package, as a symbol.

`version' Version of the package, as a version list.

`summary' Short description of the package, typically taken from
        the first line of the file.

`reqs'	Requirements of the package.  A list of (PACKAGE
        VERSION-LIST) naming the dependent package and the minimum
        required version.

`kind'	The distribution format of the package.  Currently, it is
        either `single' or `tar'.

`archive' The name of the archive (as a string) whence this
        package came.

`dir'	The directory where the package is installed (if installed),
        `builtin' if it is built-in, or nil otherwise.

`extras' Optional alist of additional keyword-value pairs.

`signed' Flag to indicate that the package is signed by provider."
  name
  version
  (summary package--default-summary)
  reqs
  kind
  archive
  dir
  extras
  signed)