diff options
Diffstat (limited to 'emacs/init.org')
| -rw-r--r-- | emacs/init.org | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/emacs/init.org b/emacs/init.org index fe9eaec..d9e8818 100644 --- a/emacs/init.org +++ b/emacs/init.org @@ -697,11 +697,25 @@ Directly taken from: https://github.com/magnars/expand-region.el." (add-hook 'text-mode-hook 'er/add-text-mode-expansions) #+END_SRC -Last but not least, =YASnippet=. This package allows people to define shortcuts -for writing some common blocks. Moreover, it comes with a set of builtin -snippets already. Since I don't remember some of these snippets, I've mapped -@@html:<kbd>, h</kbd>@@ to =yas-describe-tables=, which shows the available -snippets in another buffer. +Editing files as root is a bit of a pain because usually the root user doesn't +have the same configuration as the current one, and attempting to do so can be +messy. So, instead of that, we could advice the =find-file= function so if the +file is not writable by the current user, then GNU Emacs will ask for editing +this same file as root: + +#+BEGIN_SRC elisp +(defadvice find-file (after find-file-sudo activate) + "Find file as root if necessary." + (unless (and buffer-file-name + (file-writable-p buffer-file-name)) + (if (yes-or-no-p "Do you want to edit this file as root?") + (find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))) +#+END_SRC + +=YASnippet= allows people to define shortcuts for writing some common blocks. +Moreover, it comes with a set of builtin snippets already. Since I don't +remember some of these snippets, I've mapped @@html:<kbd>, h</kbd>@@ to +=yas-describe-tables=, which shows the available snippets in another buffer. #+BEGIN_SRC elisp (use-package yasnippet |