উত্সটি এখানে: https://github.com/emacs-mirror/emacs/blob/master/lisp/emacs-lisp/package.el#L2113 ।
এটি এমন সমস্ত প্যাকেজ মুছে দেয় যা প্যাকেজ-নির্বাচিত-প্যাকেজগুলিতে নেই বা নির্ভরতা নেই।
(defun package-autoremove ()
"Remove packages that are no more needed.
Packages that are no more needed by other packages in
`package-selected-packages' and their dependencies
will be deleted."
(interactive)
;; If `package-selected-packages' is nil, it would make no sense to
;; try to populate it here, because then `package-autoremove' will
;; do absolutely nothing.
(when (or package-selected-packages
(yes-or-no-p
(format-message
"`package-selected-packages' is empty! Really remove ALL packages? ")))
(let ((removable (package--removable-packages)))
(if removable
(when (y-or-n-p
(format "%s packages will be deleted:\n%s, proceed? "
(length removable)
(mapconcat #'symbol-name removable ", ")))
(mapc (lambda (p)
(package-delete (cadr (assq p package-alist)) t))
removable))
(message "Nothing to autoremove")))))
(defun package--removable-packages ()
"Return a list of names of packages no longer needed.
These are packages which are neither contained in
`package-selected-packages' nor a dependency of one that is."
(let ((needed (cl-loop for p in package-selected-packages
if (assq p package-alist)
;; `p' and its dependencies are needed.
append (cons p (package--get-deps p)))))
(cl-loop for p in (mapcar #'car package-alist)
unless (memq p needed)
collect p)))
package-selected-packagesকোডটির অর্থ হ'ল যদি কোনও প্যাকেজের নাম যুক্ত করা হয় তবে তা স্বয়ংসেখ করা হবে না।