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A usable VIM Undo tree
##################################
:date: 2014-04-15 14:20
:tags: vim, undo
As some may have heard, vim stores your actions (and undos) as a tree, which is
great. With vim 7.3 there is even a option to persist these changes between
session. But with vanilla vim this tree is pretty much unusable.
A friend showed me a great plugin which gives vim git-like super powers by
showing undos in a tree, together with a patch view with the `gundo plugin <https://github.com/sjl/gundo.vim>`_.
This plugin, together with persistent undo files feels almost like when i have used ctrl-r for the shell the first time!
Configuration
-------------
Grab vundle for VIM, `install it
<https://github.com/gmarik/Vundle.vim>`_.
Add these lines to your vimrc:
.. code-block:: vim
Bundle 'sjl/gundo.vim'
nnoremap <F5> :GundoToggle<CR>
set undodir=~/.vim/undo
set undofile
"maximum number of changes that can be undone
set undolevels=1000000
"maximum number lines to save for undo on a buffer reload
set undoreload=10000000
In vim run **:BundleInstall** , you can now toggle the undo bar with **<F5>**.
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