updated my/list-package-and-versions

This commit is contained in:
Jason Tian 2024-06-28 12:20:20 +08:00
parent 95f25de948
commit a293015346

View file

@ -360,19 +360,25 @@ DIRECTORY is the directory where the org files are located."
(defun my/list-packages-and-versions (&optional filepath)
"List installed packages and their versions.
If FILEPATH is provided, export the output to the specified file.
If the file is an org file, insert a title with the Emacs version at the beginning.
Otherwise, output to the message buffer."
(interactive)
(package-initialize)
(let ((pkgs (mapcar 'car package-alist))
(output-buffer (or filepath "*Packages and Versions*")))
(let ((pkgs (mapcar 'car package-alist)))
(with-temp-buffer
;; Insert title if the output is an org file
(when (and filepath (string-suffix-p ".org" filepath))
(insert (format "#+TITLE: My Packages and Versions on Emacs %s\n" emacs-version))
(insert (format "#+DATE: %sn\n" (format-time-string "%Y-%m-%d %H:%M:%S"))))
;; Insert package and version information
(dolist (pkg pkgs)
(insert (format "%s - %s\n"
pkg (package-desc-version (cadr (assq pkg package-alist))))))
;; Output to message buffer or write to file
(if (or (called-interactively-p 'interactive) (not filepath))
(message "%s" (buffer-string))
(when filepath
(set-buffer-file-coding-system 'utf-8-unix)
(set-buffer-file-coding-system 'utf-8-unix)
(write-file filepath))))))