Function: package-install-file
package-install-file is an autoloaded, interactive and byte-compiled
function defined in package.el.gz.
Signature
(package-install-file FILE)
Documentation
Install a package from FILE.
The file can either be a tar file, an Emacs Lisp file, or a directory.
Probably introduced at or before Emacs version 25.1.
Key Bindings
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/package.el.gz
;;;###autoload
(defun package-install-file (file)
"Install a package from FILE.
The file can either be a tar file, an Emacs Lisp file, or a
directory."
(interactive "fPackage file name: ")
(with-temp-buffer
(if (file-directory-p file)
(progn
(setq default-directory file)
(dired-mode))
(insert-file-contents-literally file)
(set-visited-file-name file)
(set-buffer-modified-p nil)
(when (string-match "\\.tar\\'" file) (tar-mode)))
(unwind-protect
(package-install-from-buffer)
(fundamental-mode)))) ; free auxiliary data