jt/emacs-prelude
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Extract a function for reopening a file as root

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Geoff Shannon 2015-05-16 11:43:14 -05:00
parent 04a663fa45
commit 61d45f8e6e
1 changed files with 6 additions and 2 deletions
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8
core/prelude-core.el
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@ -285,6 +285,10 @@ there's a region, all lines that region covers will be duplicated."
(interactive)
(byte-recompile-directory prelude-dir 0))
(defun prelude-find-alternate-file-as-root (filename)
"Wraps `find-alternate-file' with opening a file as root."
(find-alternate-file (concat "/sudo:root@localhost:" filename)))
(require 'ido)
(defun prelude-sudo-edit (&optional arg)
"Edit currently visited file as root.
@ -296,7 +300,7 @@ buffer is not visiting a file."
(if (or arg (not buffer-file-name))
(find-file (concat "/sudo:root@localhost:"
(ido-read-file-name "Find file(as root): ")))
(find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))
(prelude-find-alternate-file-as-root buffer-file-name)))
(defadvice ido-find-file (after find-file-sudo activate)
"Find file as root if necessary."
@ -304,7 +308,7 @@ buffer is not visiting a file."
(equal major-mode 'dired-mode)
(not (file-exists-p (file-name-directory buffer-file-name)))
(file-writable-p buffer-file-name))
(find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))
(prelude-find-alternate-file-as-root buffer-file-name)))
(defun prelude-start-or-switch-to (function buffer-name)
"Invoke FUNCTION if there is no buffer with BUFFER-NAME.