melpa/migrate
Donald Ephraim Curtis aa6be4b309 add a migrate script
2012-01-21 14:05:09 -06:00

37 lines
1 KiB
Text
Executable file

#!/usr/bin/env emacs --script
(defun read-from-file (file-name)
"read one lisp expression from a file"
(cond
((file-exists-p file-name)
(with-temp-buffer
(insert-file-contents-literally file-name)
(goto-char (point-min))
(car
(read-from-string
(buffer-substring-no-properties (point-min) (point-max))))))))
(message (prin1-to-string command-line-args-left))
(when command-line-args-left
(let* ((file-name (car command-line-args-left))
(config
(read-from-file
(message (expand-file-name ".config" (expand-file-name file-name "epkgs")))))
(master
(read-from-file
(expand-file-name "master" (expand-file-name file-name "epkgs")))))
(princ
(pp-to-string
(cons
(intern file-name)
(plist-put
(plist-put
(plist-put
nil
:summary
(plist-get master :summary))
:url
(plist-get config :url))
:fetcher
(plist-get config :fetcher)))
))))