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ieure/toggle-file-as-root.el Secret

Created Nov 2, 2019
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(defun toggle-alternate-file-as-root (&optional filename)
"Toggle between the current file as the default user and as root."
(let* ((filename (or filename (buffer-file-name)))
(parsed (when (tramp-tramp-file-p filename)
(coerce (tramp-dissect-file-name filename)
(unless filename
(error "No file in this buffer."))
(if (equal '("sudo" "root") (butlast parsed 2))
;; As non-root
(if (or
(string= "localhost" (nth 2 parsed))
(string= (system-name) (nth 2 parsed)))
(nth -1 parsed)
(apply 'tramp-make-tramp-file-name
(append (list tramp-default-method nil) (cddr parsed))))
;; As root
(if parsed
(apply 'tramp-make-tramp-file-name
(append '("sudo" "root") (cddr parsed)))
(tramp-make-tramp-file-name "sudo" "root" nil "localhost" nil filename))))))
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